Wing FTP Server v6.4.3              Released: 24/Sep/2020
--------------------------------------------------------------
Fixed a bug - When port is used by other program under certain OS, many repeated domain logs will generate or WingFTP service will freeze.
Fixed a bug - When running Wing Gateway on the same machine, the connection from local machine might not be handled properly.
Added a domain option "Overwrite the existed file when uploading file via file request link".


Wing FTP Server v6.4.2              Released: 14/Sep/2020
--------------------------------------------------------------
Fixed a bug - When removing subfolder under web client, the disk quota won't be decreased.
Improvement - Limit simultaneous time-consuming operations (Zip/Unzip/Copy) by the worker threads number.
Improvement - Use multi-threads to send email (includes Lua API) to avoid blocking.
Improvement - Set the default worker threads into 8, and max worker threads can be 256 now.
Improvement - With the new version of Google Chrome, the time picker and email input box can't work correctly.


Wing FTP Server v6.4.1              Released: 18/Aug/2020
--------------------------------------------------------------
Fixed a bug - The tray application will popup an error message "Access is denied".
Improvement - Improved the Korean language translation.
Improvement - Updated libssh to the latest version for improving SFTP server stability.
Improvement - Allowed different client IP for the FTP PORT command, in local area network.


Wing FTP Server v6.4.0              Released: 14/Jul/2020
--------------------------------------------------------------
Improvement - Enhanced the listing performance of Audit Report.
Improvement - Now the web client will remember the column width of List View.
Fixed a bug - When compressing a folder under web client, if the folder includes file with Chinese (or non-English) filename, it will fail.
Improvement - Improved the search file speed under web client.
Fixed a bug - Can't add Wing Gateway with IP address "127.0.0.1".


Wing FTP Server v6.3.9              Released: 29/Jun/2020
--------------------------------------------------------------
Fixed a bug - The tray application will stop working when binding web admin's listener on a LAN IP.
Fixed a bug -  The new added listener will always be green mark even the listener port is not available.
Fixed a bug - Fixed a possible crash when removing the running Wing Gateway node.
Improvement -  Now will use SHA-256 hash by default for the admin/user password.
Improvement -  Now will log banned IP attempts for the HTTP/HTTPS protocols.


Wing FTP Server v6.3.8              Released: 18/Jun/2020
--------------------------------------------------------------
Added PDF viewer in the web client, now you can view the PDF file online by double-clicking it.
Fixed a bug - The upload link won't be deleted when removing a folder.
Fixed a bug - The upload link won't be deleted when renaming a folder.
Other minor improvements, like read-only admin permission changes.


Wing FTP Server v6.3.7              Released: 5/Jun/2020
--------------------------------------------------------------
Improvement -  When auto-forwarding active mode ports with Wing Gateway, the socket resources won't release quickly.
Improvement - Supported for handling FTP command "QUIT" before login or during data transferring.
Improvement - When making weblink/upload link, it will popup an error message if exceeding disk quota.
Improvement - Can't send weblink for a folder under mobile UI of the Web Client.
Improvement - Increased the max lines of the domain logs which displayed under "Domain > Logs & Status > Domain Log".


Wing FTP Server v6.3.6              Released: 28/May/2020
--------------------------------------------------------------
Fixed a bug - Copy files/folders under web client, won't increase disk quota.
Fixed a bug - Disk quota doesn't change correctly when removing some folder (or unzip file).
Fixed a bug - The domain log includes a wrong session ID, when download/upload a file in web client.
Fixed a bug - When download file via a weblink, the transfer quota won't increase.


Wing FTP Server v6.3.5              Released: 20/May/2020
--------------------------------------------------------------
Improvement -  Now you can create a weblink for a subfolder, also updated the plugin "Send Files".
Improvement - When using Zip function for a subfolder, now will check the banned files inside also.
Fixed a bug - Can't remove download/upload link under web admin if the weblink file was deleted manually.
Fixed a bug - When uploaded a very small file, the thumbnail and upload-link data won't update correctly.
Fixed a bug - Sometimes the version number will be empty in New Version Reminder.


Wing FTP Server v6.3.4              Released: 12/May/2020
--------------------------------------------------------------
Improvement -  Can search by the full file path in the audit report, when action is "Create Dir", "Delete Dir", "Rename".
Improvement - Now enable FIPS 140-2 and disable TLS 1.0/1.1 by default.
Improvement - Improved the mobile UI of upload/download link page.
Fixed a bug - After logout the HTTPS version of the web client, then can't login the HTTP version of the web client.


Wing FTP Server v6.3.3              Released: 30/Apr/2020
--------------------------------------------------------------
Fixed a bug - Fixed a possible crash when handling AES-CTR keys with SFTP client.
Fixed a bug - When enable Directory List Cache, it won't cache the directory list when using UNC path as home folder.
Fixed a bug - When enable timeout for transfer connection, FTP passive data connection might be closed if listing takes long time.
Fixed a bug - FTP Rush App (Android/iOS) can't connect to the server via HTTP protocol.


Wing FTP Server v6.3.2              Released: 20/Apr/2020
--------------------------------------------------------------
Fixed a bug - The download/upload speed information might be incorrect under domain status.
Improvement - Added a list field "whether expired" under weblink/upload link manager.
Improvement - In the AD/LDAP user mapping, the wildcard "*" is supported for the AD/LDAP username.
Improvement - Added an option "Keep WebLink when file is deleted or renamed" under domain settings.
Fixed a bug - If the option "Need to change the password on the first logon" is enabled, the AD/LDAP user will be forced to change his password.


Wing FTP Server v6.3.0              Released: 14/Apr/2020
--------------------------------------------------------------
Fixed a bug - Some SFTP client software (like WinSCP) has an issue "Remote side unexpectedly closed network connection".
Improvement - Now you can change the listener address for web admin, under "Administration > Settings > Listener > Listener Address".
Improvement - Changed the default value of the option "Server > Settings > General Settings > Miscellaneous > User can change file's modification time".
Improvement - Changed the default value of the option "Domain > Settings > General Settings > Miscellaneous > Enable FTP command 'OPTS UTF8 ON'".


Wing FTP Server v6.2.9              Released: 3/Apr/2020
--------------------------------------------------------------
Supported HTTP welcome message, you can define the message under "Domain > Settings > General Settings > Miscellaneous".
Fixed a bug - The server logs might be wrong for the SFTP "SSH_FXP_ATTRS" response.
Improvement - Added a variable "%WebLink" for getting the ID of Weblink or Upload link.


Wing FTP Server v6.2.8              Released: 24/Mar/2020
--------------------------------------------------------------
Fixed a bug - SFTP debug logs won't be written correctly, this bug was introduced in recent version.
Fixed a bug - When upload small files via a file request link, some UploadLink sessions will always exist.
Fixed a bug - When upload multiple files via a file request link, the audit report shows the wrong filename.
Improvement - If you use tray application, Windows IE may cache thousands of files like "keeplive.html?r=xxx".
Fixed a bug - In the web client, when removing files by multi-files operation, it will always show OK even have no permission.
Fixed a bug - Fixed a few issues under "Web Admin > Domain > Logs & Status > Graphs".


Wing FTP Server v6.2.7              Released: 10/Mar/2020
--------------------------------------------------------------
Fixed a possible CSRF vulnerability under the web administration.
Fixed a possible CSRF vulnerability under the web client.
When uploading multiple files in the web client, some variable lile "%PathName" will be incorrect in the event OnFileUploaded.
The uploaded file information will be wrong in the audit database, if you upload multiple files via a file request link.
Added CTRL key suppport - For the multi-file operation in the web client, now you can hold CTRL key and click files you want to select.
Disabled the SFTP cipher "diffie-hellman-group-exchange-sha256" by default.


Wing FTP Server v6.2.6              Released: 3/Mar/2020
--------------------------------------------------------------
Changed the permissions for the folder "session" and "session_admin", Linux/Mac/Solaris user may launch the setup script "./setup.sh" again.
Added a feature - Added Automatic Crash Recovery feature for Windows version.
Added a feature - Added New Version Reminder feature in the web administration.
Improvement - Updated the Help Manual for the web client.


Wing FTP Server v6.2.5              Released: 27/Feb/2020
--------------------------------------------------------------
Added an option "Enable Linux/Unix symbolic links" under domain settings, it is disabled by default to prevent Linux privilege escalation.
Fixed a bug - Can't upload 0-byte file (empty file) in the web client.
Fixed a bug - The web client zip/unzip/text editing operations won't use the default file permission defined in the server settings.
Improvement - Improved the listing speed for the audit report page when have millions of records.
Improvement - Changed the default file permission into "0600" under Linux, you can also change it by yourself under "Server > Settings > General Settings > Miscellaneous > Default permissions".
Improvement - For some security reason, new installation of Linux version will change the entire "Data" folder permissions into "0600".
Fixed a bug - Can't add home directory when using the API "c_AddGroupDirectory".


Wing FTP Server v6.2.3              Released: 6/Jan/2020
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2u.
Improvement - Updated MacOS application into 64-bit version, because MacOS Catalina drops support for 32-bit apps.
Fixed a bug - Renaming a file will overwrite an existing file which has the same file name (as the new file name).
Fixed a bug - The AD/LDAP user won't have weblink (or upload link) permissions, this bug was introduced in the previous version.


Wing FTP Server v6.2.2              Released: 10/Dec/2019
--------------------------------------------------------------
Added a new language - Polish.
Added a feature - Added Weblink Manager for managing the download links and upload links.
Improvement - Enhanced the performance of the tray application, now it takes very low CPU usage.
Improvement - Now you can enable (or disable) file download/request link under user settings.
Fixed a bug - Weblink is still active when the old file is overwritten by the new uploaded file.
Improvement - Embedded Visual C++ redistributable into the installer file, because some old Windows system lacks it.
Improvement - Added a global variable "bSelfAuthenticated" in the event "BeforeUserLoggedIn", it allows you handle customized authentication.
Improvement - You can specify a domain URL for the weblinks now, under "Domain > Settings > General Settings > Data Transfer Limit".


Wing FTP Server v6.1.9              Released: 15/Nov/2019
--------------------------------------------------------------
Fixed a bug - Wing Gateway won't work when the gateway password contains special characters like "&".
Fixed a bug - Fixed unquoted service path vulnerability for Windows system service.
Improvement - Enhanced the search file speed under web client, and improved the display for long file name.
Improvement - Improved the thumbnail mode display in Android and iPhone.
Improvement - Added some tips for the failed weblink download.


Wing FTP Server v6.1.8              Released: 18/Oct/2019
--------------------------------------------------------------
Fixed a bug - Sometimes SFTP session will be killed when other SFTP sessions come in.
Fixed a bug - Fixed a possible crash when downloading files via the FTP protocol.
Fixed a bug - The timeout setting for the SFTP protocol won't take effect, when you set the timeout value as "0".


Wing FTP Server v6.1.7              Released: 3/Oct/2019
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2t.
Fixed a bug - Fixed a possible memory leak issue which can cause WingFTP crash.
Fixed a bug - SFTP speed information is incorrect in the server logs.


Wing FTP Server v6.1.6              Released: 23/Aug/2019
--------------------------------------------------------------
Fixed a bug - The download/upload speed statistics are not correct.
Improvement - When have multiple subfolder rules defined in the group, now will use the most matched rule, not the first matched rule.
Improvement - Increased the email/note/address string length limitation under user settings.
Added a feature - Map the FTP active ports automatically in Wing Gateway.


Wing FTP Server v6.1.5              Released: 22/Jul/2019
--------------------------------------------------------------
Improvement - Improved the user search function when using ODBC/Mysql database, now it will list all the users whose username includes the keyword.
Fixed a bug - The closed domain will be started when restarting WingFTP service.
Fixed a bug - Fixed a possible crash when handling FTP passive listener, this bug was introduced in recent version.
Fixed a bug - If user already logged in the web client, the web page won't display correctly when redirected from another domain.
Improvement - Improved the listing speed of the audit report when have millions of pages.
Fixed a bug - Wing Gateway connection will be lost sometimes.


Wing FTP Server v6.1.3              Released: 11/Jul/2019
--------------------------------------------------------------
Added 5 new events - "BeforeUserLoggedIn", "BeforeFileDownloaded", "BeforeFileUploaded", "BeforeFileDeleted", "BeforeDirDeleted".
Improvement - Updated libssh to the latest version 0.9.0.
Improvement - Added more SFTP MAC algorithms and key exchange algorithms.
Fixed a bug - Server listener hangs and won't accept any connection under some system.
Fixed a bug - When generating thumbnail for special image, Wing FTP Server might crash under Linux.
Fixed a bug - Memory might be leaked when sending email.
Fixed a bug - File transfer via Wing Gateway might be interrupted in some situation.
Added a feature - Add an option "SET NAMES UTF8" for Mysql database,  for avoiding mojibake with non-English data.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v6.1.0              Released: 11/Jun/2019
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2s.
Added a feature - Map the FTP passive ports automatically in Wing Gateway.
Added a feature - Use LAN IP for FTP PASV response if the client is from LAN.
Added a feature - Passive port listener timeout can be configured now.


Wing FTP Server v6.0.9              Released: 28/May/2019
--------------------------------------------------------------
Added a feature - New "Bookmark" function in Web Client, you can add current path into bookmarks via "More actions -> Add Bookmark".
Improvement - Improved the listing speed of the audit report when have thousands of pages.
Improvement - Improved the web client interface for some iPad device.
Improvement - Using background image cache for the login page of Web Client.


Wing FTP Server v6.0.8              Released: 14/May/2019
--------------------------------------------------------------
Added a feature - New "Copy" function in the web client, and it needs "Rename" permission. 
Fixed a bug - Can't connect to Wing Gateway when using single thread mode, it was introduced in the previous version.
Fixed a bug - FTP or FTPS file transfer might be interrupted in some situation.
Improvement - If you customized the logo before v6.0.1, the login page's button will be shifted.


Wing FTP Server v6.0.7              Released: 4/Apr/2019
--------------------------------------------------------------
Fixed a bug - Fixed a possible crash when handling SFTP file listing.
Improvement - SFTP server listener may stop working when have large traffics.
Improvement - Supported password for the SSH host key now (Windows/Linux version only).
Fixed a bug - FTP server will return "550 read file error" when resume download from the end of file.
Fixed a bug - Can't get the latest version information in some situation.
Improvement - Domain/Server statistics will be updated in time.
Improvement - Removed Flash uploader under web client for IE/Edge browser.
Improvement - Improved the web administration interface for old IE browser.


Wing FTP Server v6.0.5              Released: 12/Mar/2019
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2r.
Improvement - Updated libssh to the latest version 0.8.7.
Improvement - Added more SFTP key exchange algorithms.
Improvement - Added global options to specify folder for weblink/upload link.
Improvement - Added a domain option to disable FTP Passive mode or PORT mode.
Improvement - SFTP client Cyberduck can't login with the error message "Connection failed".
Fixed a bug - When using ODBC/Mysql database, user will be forced to change password twice if enabled first logon password change.


Wing FTP Server v6.0.3              Released: 17/Jan/2019
--------------------------------------------------------------
Fixed a bug - Fixed a possible crash when handling FTP passive connection.
Fixed a bug - For the Event Manager, can't execute 3rd party program when the parameter includes double quotes.
Improvement - Added an option "Listen on single IP" for the Wing Gateway settings.


Wing FTP Server v6.0.2              Released: 30/Nov/2018
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2q.
Fixed a bug - When generating thumbnails with some special conditions, WingFTP service could crash.
Fixed a bug - Service might crash when doing "Zip File" with some conditions (Windows only).
Fixed a bug - Web client operation "Zip File" will fail for non-English file/folder name (Windows only).


Wing FTP Server v6.0.1              Released: 2/Nov/2018
--------------------------------------------------------------
Free Edition added - After the trial period, you can continue use WingFTP as Free edition for non-commercial use.
Added an Android App - Help Android user manage FTP files easily.
Added an iOS App - Help iOS user manage FTP files easily.
Improvement - Updated libssh to the version 0.7.7.
Fixed a bug - When connecting database using some ODBC driver, may cause the service crash.
Fixed a bug - The customized logo will be overwritten when installing a new version under Linux.
Fixed a bug - Customized logo won't be shown in Google Chrome due to its caching strategy.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v5.1.4              Released: 28/Sep/2018
--------------------------------------------------------------
Added a feature - Now you can define additional HTTP headers under domain settings.
Improvement - Added a new tab "Users" for the group to show the user members.
Fixed a bug - Fixed an XSS vulnerability for the web link download.
Fixed a bug - When modify Wing Gateway by the top button, will popup an error "Wing Gateway is not running".


Wing FTP Server v5.1.3              Released: 28/Aug/2018
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2p.
Improvement - Can't send email via some SMTP server like Office365.
Fixed a bug - Under the mobile UI of the Web Client, can't select the first file when existing 2 rows of toolbar buttons.
Fixed a bug - Can't input "My email address" when sending a web link.


Wing FTP Server v5.1.2              Released: 30/Jul/2018
--------------------------------------------------------------
Released a new product "Wing Gateway" and added integration to WingFTP.
Improvement - Improved the stability of the SFTP server process.
Improvement - When sending email failed, more error information will be recorded in the server logs.
Improvement - Improved the compatibility for some screen reading software (for blind people).
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v5.1.0              Released: 12/Jun/2018
--------------------------------------------------------------
Improvement - Improved the image viewer interface in web client, and also improved its compatibility with old web browsers.
Fixed a bug - When using Windows authentication with the option "Using Windows NTFS permissions for the home directory", user always has READ/LIST permissions.
Fixed a bug - File uploader in web client will compress large image file into smaller size.
Fixed a bug - When a domain admin is limited with a base folder, then modifying home folder may cause the error "Invalid directory path".
Improvement - User can't generate or see the thumbnails when he has no READ permission.


Wing FTP Server v5.0.9              Released: 5/May/2018
--------------------------------------------------------------
Improvement - SFTP client under Solaris 11.3 can't connect to the SFTP server.
Improvement - Improved the cache strategy for the user data, better experience when using Mysql/ODBC database.
Fixed a bug - Some read-only administrator can clear the domain logs.


Wing FTP Server v5.0.8              Released: 24/Apr/2018
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2o.
Improvement - When using ODBC/Mysql, more information can be shown under the user listing (when choosing a group).
Improvement - Added file listing column "Date modify" for the mobile UI of the Web Client.
Fixed a bug - With some ODBC database (for user storage), non-English username can't be displayed.
Improvement - Added a button "Clear Log" under the domain log interface.
Improvement - The option "File timestamp uses GMT time" is only for FTP now, because SFTP/HTTP client won't convert the file timestamp.
Improvement - Let some earlier iPad models use the desktop UI of the Web Client.


Wing FTP Server v5.0.6              Released: 4/Feb/2018
--------------------------------------------------------------
Improvement - When have multiple subfolder rules, now the server will use the most matched rule, not the first matched rule.
Improvement - Now when you Drag&Drop file into the web client directly, the file uploader will keep the same as the main uploader.
Fixed a bug - SFTP server returns the incorrect file/folder names for the virtual folder which is placed under the subfolder.
Improvement - Modified the WingFTP startup script for Linux/MacOS/Solaris.


Wing FTP Server v5.0.5              Released: 9/Jan/2018
--------------------------------------------------------------
Added a feature - Added video/audio player under web client, based on the built-in HTML5 player.
Improvement - Improved the web admin interface, now supports adaptive UI height.
Improvement - Edge browser can access the web client correctly.
Improvement - Changed the image viewer interface in web client, more concise.
Fixed a bug - The issue "Too many open files" when Windows Server has high traffic.
Fixed a bug - The SFTP downloaded file will be corrupted with WinSCP, it was introduced in v5.0.1, for Windows version.
Improvement - Improved the compatibility of the web client uploader, supports almost all browsers even no HTML5/Flash support.
Improvement - Improved the web client uploader, fixed no progress bar issue under Edge browser.
Improvement - Improved the web client interface for iPhone/Android.


Wing FTP Server v5.0.1              Released: 19/Dec/2017
--------------------------------------------------------------
Improvement - Updated OpenSSL to the latest version 1.0.2n.
Improvement - Windows version moved to Visual Studio 2017 and its CRT library.
Added a feature - File request link is now available in web client, you can request files with just a link.
Added a feature - Introduced a new file uploader in web client, supports both HTML5 and Flash, supports Drag&Drop and multi-threads.
Improvement - Added sorting function for the IP/file access rules under web admin.
Improvement - Enhanced the performance of the SFTP file uploading.
Improvement - Added a HTTP header "X-Content-Type-Options:nosniff".
Improvement - Added a domain option to disable ECDSA host key.
Improvement - Updated the Help Manual for Wing FTP Server.
Fixed a bug - When creating SSH host key under some folder, the key path will be incorrect.


Wing FTP Server v4.9.3              Released: 14/Sep/2017
--------------------------------------------------------------
Fixed a bug - With many SFTP concurrent sessions, the user XML file could be corrupted when it has a very large size (>80KB).
Fixed a bug - The HTTP event "OnFileDownloaded" will be triggered twice when downloading a weblink file.
Fixed a bug - SFTP file list doesn't return the correct date for Daylight Saving Time with some Windows system.
Fixed a bug - When downloading/uploading with SFTP protocol, transferred bytes won't be updated in the domain's statistics.
Improvement - The Flash uploader under Web Client won't be shown in Google Chrome, because Chrome requires to enable Flash Player for each website.


Wing FTP Server v4.9.2              Released: 11/Aug/2017
--------------------------------------------------------------
Fixed a bug - FTP/SFTP file listing doesn't return the correct file date for Daylight Saving Time.
Fixed a bug - With special conditions, WingFTP will trigger a SIGFPE/Arithmetic exception.
Improvement - Removed the event "OnIPIsBanned", because normally it won't be triggered or executed.


Wing FTP Server v4.9.1              Released: 28/Jun/2017
--------------------------------------------------------------
Improvement - CuteFTP can't connect to the SFTP server, with the error message "Failed to create the ssh channel".
Fixed a bug - Can't jump into the virtual folder with some SFTP client software.
Fixed a bug - When ending the SFTP session, socket will be shutdown directly before closing the SSH channel.
Improvement - Improved the compatibility for the SFTP library "phpseclib" which has "Failed to exchange the keys" issue.


Wing FTP Server v4.9.0              Released: 9/Jun/2017
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.2L.
Fixed a bug - SFTP service will crash under Linux/Unix system, this bug might be introduced in recent version.
Fixed a bug - User data file will be empty with special conditions. When such issue happens, admin may see the error message "User does not exist".
Improvement - Added two options for disabling TLSv1.0 and TLSv1.1.


Wing FTP Server v4.8.8              Released: 23/May/2017
--------------------------------------------------------------
Improvement - Web client editor doesn't display correctly under IE10+.
Improvement -  Improved the web client listing display for IE10/IE11.
Fixed a bug - WingFTP will hang when exists file "Domains/xxx/xxx.log" (log file modified before 2 days).
Improvement - SFTP client Cyberduck can't login when enable both password and public key authentication.
Improvement -  The group drop down box under "Administration -> Domain -> Users" is not alphabetical (only for Linux/Unix).


Wing FTP Server v4.8.7              Released: 19/Apr/2017
--------------------------------------------------------------
Improvement - Updated libssh to the version 0.7.5.
Fixed a bug - SFTP service will hang or crash with some special condition.
Fixed a bug - SFTP public key authentication skips the digest verification, it was introduced in v4.7.0.
Fixed a bug - Linux sftp client can't login when enable both password and public key authentication, it was introduced in v4.7.0.
Fixed a bug - The SHA-256 hash for the password is wrong under 64-bit Linux system. 


Wing FTP Server v4.8.5              Released: 21/Feb/2017
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.2k.
Improvement - Updated OpenSSL FIPS to the version 2.0.14.
Improvement - Updated libssh to the version 0.7.4.
Improvement - Now supports ECDSA host key for the SFTP connection.
Improvement - Supports 5 log levels for the SFTP debug logs.
Added a feature - Now you can enter the customized SFTP Algorithms.
Improvement - User can change password under the mobile UI of the Web Client.
Fixed a bug - Sometimes can't get the latest version information under "Server -> License". 


Wing FTP Server v4.8.3              Released: 18/Jan/2017
--------------------------------------------------------------
Fixed a bug - Thumbnail can't be displayed correctly when switching the view mode or sorting.
Fixed a bug - SFTP service might hang when bad request in SFTP initialization. 
Fixed a bug - When clicking on the back button of the web browser, it will show the error "You can modify the html file, but please keep the link 'wftpserver.com' at least".
Improvement - Added the HTTP header "Strict-Transport-Security".
Improvement - Removed the web client plugins "Jupload" and "Jdownload", because most web browsers stopped supporting Java Applet.


Wing FTP Server v4.8.2              Released: 22/Dec/2016
--------------------------------------------------------------
Fixed a bug - web client stops working for the error "cannot read webclient/run.lua: Bad file descriptor".
Fixed a bug - web client stops working for the error "not enough memory".
Added a feature - Now you can enter the customized OpenSSL Cipher Suites under the server settings.
Added a feature - Added sorting function for the feature "Audit & Report".
Improvement - Treated weblink session as normal session, admin can manage it and view its statistics.
Improvement - Now can display thousands of online sessions with better performance.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v4.8.0              Released: 25/Nov/2016
--------------------------------------------------------------
Added a feature - Now supports Drag and Drop File Uploading in the web client.
Improvement - Now Linux/Unix sftp tool can handle listing folders with large number of files.
Improvement - Let Google Chrome download the PDF file instead of opening the internal PDF viewer.
Fixed a bug - Updated the string library, because some wrong string format may cause the service crash.
Fixed a bug - When FXP feature is disabled, PORT command can still accept non-client IP.


Wing FTP Server v4.7.8              Released: 18/Oct/2016
--------------------------------------------------------------
Improvement - Now supports Perfect Forward Secrecy (PFS) for TLS/SSL connection.
Fixed a bug - File transfer log information is not correct when using SFTP service.
Fixed a bug - FTP transferred file size is not correct when the uploaded file >= 2GB.
Improvement - Using SHA256 algorithm for generating the self-signed SSL certificate.
Improvement - Now the default SSL certificate is with SHA256 algorithm and 2048-bit key.
Improvement - Added security HTTP Headers "X-XSS-Protection" and "X-Frame-Options".
Improvement - Will remove the thumbnail cache when the image file is changed.
Improvement - Added LSB tags to the WingFTP startup script under Linux.


Wing FTP Server v4.7.6              Released: 23/Sep/2016
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.1u.
Fixed a bug - SFTP connection will be closed randomly, especially with Linux 'sftp' tool.
Improvement - Provided a tool for converting the old PKCS#15 ssh key to the PEM format.
Improvement - Restored the SSH Key Manager, now you can use different ssh key for different domain.
Improvement - Now you can backup the csutomized html file as a ".bak" file, then it will be restored after an upgrade.
Fixed a bug - Bugfix for a possible invalid pointer usage in Libssh.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v4.7.3              Released: 25/May/2016
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.1t.
Improvement - Can't upload file in the standard upload mode in Mac OSX (caused by the recent version of Flash Player).
Improvement - Improved the compatibility for some SFTP client which has "Failed to create the ssh channel" issue.
Improvement - Now the FXP feature will be turned off by default.
Improvement - Disabled the auto-saving setting file feature.
Fixed a bug - Can't execute the Lua script in the event manager, only happens in Mac OSX.
Fixed a bug - Can't handle the LDAP group mapping correctly if the LDAP user belongs to 20+ LDAP groups.


Wing FTP Server v4.7.1              Released: 31/Mar/2016
--------------------------------------------------------------
Fixed a bug - Cannot download file via the linux command "sftp", it was introduced in the previous version.
Fixed a bug - Interrupted SFTP upload won't relase the file handle, it was introduced in the previous version.
Improvement - When using Windows data deduplication service, now WingFTP can list file with the permissions "APL".
Improvement - WingFTP will generate a log file "/ssh_log_warning" for recording the SFTP errors.
Fixed a bug - The time zone in the email is wrong caused by Daylight Saving Time.


Wing FTP Server v4.7.0              Released: 22/Mar/2016
--------------------------------------------------------------
Improvement - Changed the SSH library into libssh.
Improvement - Now SSH cipher modes includes CTR mode.
Improvement - Substantially improved the SFTP download performance.
Improvement - Supports more ssh key exchange methods and MAC hashes.
Improvement - Removed the ssh host key manager, now WingFTP can generate the ssh host key automatically.
Fixed a bug - Cannot download 0-size file through FTP protocol, this bug was introduced in the previous version.


Wing FTP Server v4.6.3              Released: 10/Mar/2016
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.1s.
Added a feature - Added an option for redirecting HTTP to HTTPS automatically.
Added a feature - Added an option to force user to change his password on his first login.
Fixed a bug - FTP download may hang or fail with some special condition.
Fixed a bug - Cannot list all the group names in the user listing, when adding more than 100 groups.


Wing FTP Server v4.6.2              Released: 13/Jan/2016
--------------------------------------------------------------
Added a feature - Now supports Raspberry Pi device.
Fixed a security bug – Fixed a CSRF vulnerability (uploading file) in the web client.
Fixed a security bug – Fixed a XSS vulnerability in the web admin (Linux OS only).
Fixed a bug - Some SFTP client can't upload 4GB+ file.
Fixed a bug - In the Web Client, cannot show file listing when file name contains special characters.
Fixed a bug - In the Web Client, cannot select a file/folder when file name contains special characters.
Improvement - Removed the UPNP feature, avoiding the crash issue caused by UPNP.
Improvement - Now WingFTP service will interact with desktop, then no need to change the service logon account.


Wing FTP Server v4.6.0              Released: 10/Dec/2015
--------------------------------------------------------------
Fixed a security bug – Fixed a filename XSS vulnerability in the web client (Linux OS only).
Fixed a security bug – Fixed a CSRF vulnerability in the web client, it can force users to upload files to the FTP server.
Improvement - Recent version of "sftp" client can't connect to Wing FTP Server, it is caused by the maximum public-key component size.
Improvement - Enhanced the quality of customized logo and thumbnail images.
Improvement - Improved the image viewer in the web client.
Improvement - Added a cross-domain policy file "crossdomain.xml" for Adobe Flash Player.
Improvement - Now added "secure" flag for the web client cookies.
Improvement - Now added "X-Frame-Options" flag for the HTTP header.


Wing FTP Server v4.5.8              Released: 30/Oct/2015
--------------------------------------------------------------
Added a feature - Now you can disable TLSv1.0/TLSv1.1 protocols.
Improvement - Now added "HttpOnly" flag for the web client cookies.
Improvement - Improved the compatibility for some SFTP client software: http://www.wftpserver.com/bbs/viewtopic.php?f=2&t=3169
Improvement - Updated the web client plugin "Jupload" and "Jdownload".
Fixed a bug - Some Lua script can not be executed using "WFTPConsole.exe".


Wing FTP Server v4.5.6              Released: 8/Oct/2015
--------------------------------------------------------------
Fixed a bug - Can not access all the virtual folders, this bug is introduced in the previous version.
Fixed a security bug – Fixed an XSS vulnerability under the Online Text Editor.


Wing FTP Server v4.5.5              Released: 22/Sep/2015
--------------------------------------------------------------
Added a feature - Now you can add home directory for the group.
Added a feature - Now the virtual folder can be placed under the subfolder of the home directory.
Added a feature - In the web client's search interface, added a function "Web Link".
Added a feature - In the web client's search interface, added a function "Text Edit".
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v4.5.3              Released: 7/Aug/2015
--------------------------------------------------------------
Improvement - Added support the SFTP command "SSH_FXP_FSETSTAT".
Improvement - Now you can add message when sending web links.
Improvement - Now you can add message when using the web client plugin "Send Files".
Fixed a bug - When downloading a web link with password, the enter key does not work.


Wing FTP Server v4.5.2              Released: 20/Jul/2015
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.1p for fixing an OpenSSL security vulnerability.
Added a feature - When using Windows authentication, you can choose Windows NTFS permissions for the home directory.
Fixed a bug - Server might crash when transferring files with FTP protocol.
Improvement - Now supports the server variable "%IP" for the event "OnExceedUSERPASS".


Wing FTP Server v4.4.9              Released: 16/Jun/2015
--------------------------------------------------------------
Improvement - Enhanced the performance of the LDAP Authentication (by caching the LDAP session).
Fixed a bug – With some SFTP client, the uploaded file will be truncated.
Fixed a bug – When enabled the directory list cache, the FTP/SFTP file listing might be incorrect.
Added a feature - Added a new web client plugin "Send Files" and included it in the installer.
Fixed a bug - When downloading file with Google Chrome, non-English file name might be URL encoded.
Fixed a bug - When uploading a folder with the web client plugin "JUpload", the event "OnDirCreated" won't be triggered.
Fixed a bug - Cannot download file/folder with the web client plugin "JDownload", when file/folder name contains special characters.


Wing FTP Server v4.4.7              Released: 29/May/2015
--------------------------------------------------------------
Improvement - Signed the Java Applets (JUpload & Jdownload), now you can use them without any problem.
Fixed a security vulnerability – Fixed an CSRF vulnerability under the Web Admin.
Improvement - Improved the web client plugin "Jdownload", and add multiple languages for it.
Fixed a bug - With Linux version, the WebLink password will be 'undefined' when specify an empty password.


Wing FTP Server v4.4.6              Released: 28/Apr/2015
--------------------------------------------------------------
Improvement - Improved the stability of the FTP/HTTP/SFTP service.
Fixed a security vulnerability – Fixed an XSS/CSRF vulnerability under the Web Admin.
Added a feature - Added "Weblink password protection" in the Web Client.
Improvement - Improved the email interface of the weblink.
Improvement - Removed the Web Client feature "Batch Download" by default, but you can still use the Jdownload plugin.
Fixed a bug - When no disk space is available in uploading, the Web Client will still show the success message.


Wing FTP Server v4.4.5              Released: 24/Mar/2015
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 1.0.1m, now supports TLS 1.2 (TLS 1.1).
Improvement - Substantially improved the SFTP download performance.
Improvement - Improved the interface of the mobile version of Web Client.
Improvement - Removed SSLv2 and SSLv3 by default.
Added a feature - Added a new option "Enable FTP command 'AUTH TLS/SSL'".
Added a feature - Auto-generate a Minidump file for the crash dump analysis.
Fixed a bug - Improved the SFTP handshake process to avoid the handshake error.


Wing FTP Server v4.4.3              Released: 12/Jan/2015
--------------------------------------------------------------
Added Korean language.
Improvement - Improved the compatibility for some SFTP client software.
Improvement - Now support Android Tablet administration.
Fixed a bug - Can not upload 1GB+ file with some SFTP client software.
Fixed a bug - Can not execute Lua script using "WFTPConsole.exe".
Fixed a bug - Can not autostart WingFTP service when reboot in MacOS Yosemite.
Fixed a bug - Can not close the setting window under the Web Admin using Google Chrome.


Wing FTP Server v4.4.1              Released: 14/Oct/2014
--------------------------------------------------------------
Improvement - Improved the stability of the FTP service.
Improvement - Improved the stability of the SFTP service.
Improvement - Improve the toolbar of the mobile version of Web Client.
Added a feature "Email Weblink" in the mobile version of Web Client.
Fixed a bug - IP access ruls does not support some CIDR format.
Fixed a bug - IP access ruls can not recognize the IP range format like "192.168.1.0-192.168.1.255".
Fixed a bug - Can not save the user account when existing some ".bakfile" file.


Wing FTP Server v4.3.8              Released: 26/Jun/2014
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 0.9.8za.
Improvement - Improved protection for phishing attacks of the Web Admin/Web Client.
Improvement - Improved protection for XSS-based attacks of the Web Admin/Web Client.
Fixed a bug - Weblink can be accessed using part of the WebLink string.
Fixed a bug - By requesting some reserved Windows OS filename, it is possible to cause a denial of service against the web client.


Wing FTP Server v4.3.6              Released: 24/Feb/2014
--------------------------------------------------------------
Improvement - When using ODBC/Mysql, more information can be shown under the user listing.
Added a feature - Added a global option "User can change file's modification time".
Fixed a bug - When downloading an empty file (with FTP protocol), the client side will get a reply message "550 Can't access file".
Fixed a bug - When using SQL SERVER for ODBC database, the user listing's data will be incorrect.
Fixed a bug - When the file access rule contains some special characters, then that rule won't take effect.
Fixed a bug - When the file access rule contains non-English characters, the warning dialog will not popup under the web client.


Wing FTP Server v4.3.5              Released: 11/Jan/2014
--------------------------------------------------------------
Improvement - Updated OpenSSL to the version 0.9.8y.
Improvement - Improved the speed of generating the audit report.
Improvement - Added an option "Sender's Email" in the WebLink interface.
Improvement - Disabled SSLv2 by default.


Wing FTP Server v4.3.3              Released: 12/Dec/2013
--------------------------------------------------------------
Added a feature - User password complexity.
Added a feature - User passwords using SHA256 encryption.
Added a feature - Added a HTTP event "OnUserDisconnect".
Improvement - Improved the handshake process of the SFTP service.
Improvement - Supported SMTP command "HELO", because some SMTP server does not support "EHLO".
Fixed a bug - Under Linux, if you use uppercase characters in the LDAP mapping string, maybe the user mapping would fail.


Wing FTP Server v4.2.9              Released: 15/Nov/2013
--------------------------------------------------------------
Improvement - Improved the stability of the FTP service.
Improvement - Improved the stability of the SFTP service.
Improvement - Improved the listing of the symbolic link under Linux.
Improvement - Added auto-renaming for the iPhone uploaded file "capturedvideo.MOV".
Updated Turkish language.


Wing FTP Server v4.2.8              Released: 10/Sep/2013
--------------------------------------------------------------
Fixed a bug - With some Linux System, memory will be leaked when handling the event.
Fixed a bug - The transfer speed statistics will be incorrect.
Fixed a bug - Can't show the carriage return in the email notification.
Fixed a bug - The graphs chart data for "last five hours" or "last ten days" will be incorrect.
Improvement - Added a FTP command "MLST".
Improvement - Now support such FTP command "list -al xxx".
Improvement - Added a default value for transfer connection timeout.


Wing FTP Server v4.2.6              Released: 26/Aug/2013
--------------------------------------------------------------
Improvement - Improved the web client plugin "Jdownload".
Improvement - Now SFTP server supports multiple ssh key authentication attempts.
Improvement - Improved the web client plugin "Jupload".
Improvement - Improved the web client batch download.
Fixed a bug - The graphs chart data for the domain will be incorrect.
Updated Turkish language.


Wing FTP Server v4.2.5              Released: 29/Jun/2013
--------------------------------------------------------------
Improvement - Improved the user data (or setting files) protection for power failures.
Improvement - Now SFTP supports strong SSH ciphers only (FIPS 140-2 approved ciphers).
Fixed a bug - Domain admin can make a subfolder outside the base folder.
Fixed a bug - In Solaris 11, the initialized admin password will be incorrect.
Improvement - Now SFTP supports setting the attribute "modified time" for the uploaded file.
Improvement - When using "Map LDAP group to local user", now it will check all the LDAP groups until a matched LDAP group is found.
Added a feature - Added an option "Use lowercase letters for the auto-generated folder name" for the LDAP authentication.


Wing FTP Server v4.2.0              Released: 3/May/2013
--------------------------------------------------------------
Added a feature - Audit & Report, you can analyze all the transactions and generate reports in real time.
Fixed a bug - The server will skip "ssh public key" authentication when the public key can't be read.
Fixed a bug - Can not display the recipients after saving the recipients in the event manager.
Improvement - In FTP active mode, the server will establish the active connection with the centain IP (which the client connects to).
Improvement - When the option "Enable Web Link" is checked off, you can't download any generated web link.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v4.1.5              Released: 17/Mar/2013
--------------------------------------------------------------
Added a feature - Now support iPad administration.
Improvement - Improve the compatibility of the mobile version of Web Client.
Improvement - Now support multiple ssh public keys in one key file.
Improvement - SFTP can list the contents of the symbolic link path.
Improvement - Support SFTP chmod operation.
Improvement - Improve the compatibility with some SFTP client.
Improvement - Support multiple recipients when sending the WebLink in Web Client.
Improvement - Support multiple recipients when sending email in Event Manager.


Wing FTP Server v4.1.3              Released: 20/Dec/2012
--------------------------------------------------------------
Added a feature - When using ODBC/Mysql, more columns can be listed under the user listing, such as "expired", "disk quota".
Improvement - Improve the usability and compatibility of the mobile version of Web Client.
Improvement - Automatically rename the uploaded file by iOS, because iOS will always give the filename as "image.jpg", .
Fixed a bug - The subfolder rules won't take effect when folder name includes some specific symbols.
Fixed a bug - The Lua API "c_KickSessionByName" couldn't work correctly.
Updated French language.


Wing FTP Server v4.1.1              Released: 6/Sep/2012
--------------------------------------------------------------
Fixed a bug - The server's administrator could not login the management interface when an IP rule existed.
Fixed a bug - The server might crash when using zip command.
Improvement - Improve the compatibility of SSH public key.
Added a feature - The logs will be automatically compressed and saved.
Added a feature - Add a new domain option "Enable FTP command 'OPTS UTF8 ON'" to improve unicode compatibility when doing FTP use Windows Explorer.
Added a feature - Add user's options for SSH public key authentication.


Wing FTP Server v4.0.9              Released: 20/Jul/2012
--------------------------------------------------------------
Fixed a bug - If a user has the same username in two different domains, after he logs in Domain A with webclient, he can log in Domain B simply by modifying the URL rather than relog.
Fixed a bug - The variable "%DD" will be invalid for log filename.
Improvement - Updated OpenSSL to the latest version.
Improvement - Now the Web Client will remember the last sorting on the specified column.
Improvement - Now you can send mail with HTML content.
Improvement - Updated the Help Manual for Wing FTP Server.


Wing FTP Server v4.0.8              Released: 14/Jun/2012
--------------------------------------------------------------
Fixed a bug - Command MDTM resolving parameter error.
Fixed a bug - Could not delete directory with some FTP client.
Added a feature - Added FTP commands: MFMT, MFCT, MFF.
Added a feature - Now you can map LDAP group to local user.
Added a feature - Now you can upload files under Android.
Added a feature - When uploading a small file, it can't trigger the FTP event "OnQuotaExceeded".
Added a feature - Added three variables for the filename of the domain log: %MM，%DD，%HH.


Wing FTP Server v4.0.6              Released: 17/May/2012
--------------------------------------------------------------
Added a feature - Now you can send weblink via email in the Web Client.
Added a feature - Now you can define the default file/directory permissions.
Added a feature - Added a Web Client plugin - JDownload.
Added a feature - Added an option that allow the server can use LAN IP in passive response when the connection coming from LAN.


Wing FTP Server v4.0.5              Released: 8/Mar/2012
--------------------------------------------------------------
Fixed a bug - SFTP connection timeout won't work.
Fixed a bug - Server might freeze or crash when it is connected by some special SFTP clients.
Fixed a bug - When downloading file with Firefox 10, non-English file name can't be displayed.
Fixed a bug - Error might occur when creating new text file in a non-English folder.
Fixed a bug - WebLink will contain a Carriage-Return.
Improvement - Now SFTP supports rekey during the transfer.
Improvement - Add a option enable/disable the PROT command.
Improvement - Add AES encryption algorithms for SFTP.


Wing FTP Server v4.0.3              Released: 15/Jan/2012
--------------------------------------------------------------
Fixed a bug - When using ODBC or Mysql, the transfer quota for the user account won't increase.
Fixed a bug - Can't be connected with some special SFTP client.
Fixed a bug - Server might crash caused by libnat.
Improvement - Before uploading files in the Web Client, it will check whether you have upload permission.
Improvement - Increase the username length you can input in the Administrator.


Wing FTP Server v4.0.2              Released: 8/Nov/2011
--------------------------------------------------------------
Fixed a bug - Can not start wftpserver service on some Unix-like OS.
Fixed a bug - FTP EPSV command parameters error.
Fixed a bug - Files with Unicode name can be still downloaded when the credit is insufficient.
Improvement - Display a warning message instead of 404 error, when no download permission using Web Client.


Wing FTP Server v4.0.1              Released: 24/Oct/2011
--------------------------------------------------------------
Added a feature - IPv6 is now supported. You can add IPv6 listeners or IPv6 access rules like IPv4.
Added a feature - Screen reader is now supported (for the Web Client). We have tested it successfully with JAWS and NVDA.
Fixed an information disclosure vulnerability when using HTTP protocol.
Added two session variables - "%OldFilePath" and "%NewFilePath" for the event "OnFileRenamed".
Improvement - Improved the web client interface for iPhone/Android.
Improvement - Improved the Spanish translation for the Web Client.
Fixed a bug - Cannot list in the Web Client when file name contains special characters.
Fixed a bug - AD/LDAP users mapping would be wrong in some situation.
Fixed a bug - Cannot input special characters in the field "Event -> Execute Program -> Parameters".
Fixed a bug - Incorrect display of the field "User -> Ratio/quota -> Preset/Current Credit".


Wing FTP Server v3.9.0              Released: 17/Aug/2011
--------------------------------------------------------------
Fixed a bug - Server might crash when doing "Zip File" or "Unzip File" in the web client.
Fixed a bug - With web client, files containing special characters couldn't create web link.
Fixed a bug - With web client, changing password will fail if user password contains special characters.


Wing FTP Server v3.8.9              Released: 26/Jul/2011
--------------------------------------------------------------
Improvement - Could not download some file with Android web browser.
Improvement - Improved the ODBC/Mysql performance when there are 10,000+ users and each user owns a group.
Improvement - Cancel the string length limitation for "AD Users Mapping" and "LDAP Users Mapping".
Fixed a bug - Files under the SFV directory won't be checked caused by case-insensitive problem.


Wing FTP Server v3.8.8              Released: 19/Jun/2011
--------------------------------------------------------------
Fixed a bug - When enabled "ssh public key" authentication, SFTP client can still login with text password.
Fixed a bug - With some Operating System, file handle will be leaked.
Improvement - LDAP/AD users could inherit local user's attribute "enabled protocols" now.
Improvement - Now FEAT response includes "CLNT".



Wing FTP Server v3.8.7              Released: 26/May/2011
--------------------------------------------------------------
Fixed a bug - Fixed a LDAP security bug, LDAP authentication against Active Directory allows blank password.
Fixed a bug - Fixed a SSL bug with SMTP configuration.
Fixed a bug - User/Group/Admin name cannot contain two (or more) sequential space character.
Fixed a bug - Home directory cannot contain two (or more) sequential space character.
Fixed a bug - Allows variables "%PathName","%FileName","%FileSize" in the HTTP Event OnQuotaExceeded.



Wing FTP Server v3.8.6              Released: 23/May/2011
--------------------------------------------------------------
Fixed a bug - With CentOS system, server might crash when uploading a huge file (>30GB).
Fixed a bug - The quota size won't increase when zip/unzip a file.
Fixed a bug - The quota size won't decrease when removing a folder.
Fixed a bug - With web client, Firefox cannot copy the generated Web Link.
Fixed a bug - After unzip a file with web client, renaming or other operation could not work fine.



Wing FTP Server v3.8.5              Released: 10/May/2011
--------------------------------------------------------------
Added a feature - Web Link downloading is now supported.
Added a feature - Added domain option of whether to enable the GMT file timestamp. If not checked, it will use the local time (mainly to some UNIX like servers).
Added two system variables - %UserMaxQuota and %UserCurrentQuota.
Improvement - More SSH client tools are supported.
Improvement - Apart from the 1024 bits, now the SSH public key also supports RSA1024bits, 2048bits and 4096bits. DSA1024bits and 2048bits.
Enhanced the quality of web client thumbs.
Fixed a bug - Connecting to certain SMTP servers failed when sending an email.
Fixed a bug - With web client, image files containing special characters couldn't create thumbs.
Fixed a bug - When the email subject contains some Unicode languages, or when it is unusually long, unrecognizable characters may occur.



Wing FTP Server v3.8.0              Released: 6/Mar/2011
--------------------------------------------------------------
Added a feature - Now supports Web Client Plugins.
Improvement - Enhanced the compatibility for LDAP Authentication (supports more LDAP Servers).
Fixed a bug - Server might freeze or crash when it is connected by some special SFTP clients.
Fixed a bug - Certain non-English folders couldn't be compressed into a zip file with Web Client (or FTP client).
Fixed a bug - When mapping LDAP User to Local User, the LDAP User can't get certain attributes of the Local User.
Fixed a bug - The virtual folders couldn't be shown via FTP/SFTP listing if there is no home directory.
Fixed a bug - In FTP active mode, the server would always establish the active connection with the first IP. This could cause problems under certain circumstances.
Fixed a bug - When generating thumbnails for particular images, memory leak could occur.
Fixed a bug - The virtual folder permissions might be wrong for FTP listing (only for Linux/Unix).
Fixed a bug - Some SFTP clients would receive an error message when disconnecting.



Wing FTP Server v3.7.5              Released: 23/Jan/2011
--------------------------------------------------------------
Added a feature - Now supports subfolder permission for group.
Added the following server variables: %YYYY, %MM, %DD, %HH.
Improvement - Operations Delete/Rename/Zip on the subfolders must meet the permissions of subfolders.
Fixed a bug - Linux version cannot load external Lua library.
Fixed a bug - Some system variables cannot be called in some Event.
Fixed a bug - Can't enter the subfolder which has no list permission in the Web Client.
Fixed a bug - When enabled directory list cache, display of disk quota in the Web Client might be wrong.
Fixed a bug - The permission field of FTP virtual directory can't be displayed with FTP MLSD.



Wing FTP Server v3.7.2              Released: 25/Nov/2010
--------------------------------------------------------------
Added LDAP Authentication feature. We have tested it successfully with OpenLDAP and MS Active Directory.
Added Turkish language.
Fixed a bug - the variable %PathName or %FileName will be empty in the event HTTP::OnFileDeleted.
Fixed a bug - the variable %PathName or %FileName will be incorrect in the event SSH::OnFileDeleted.
Fixed a bug - cannot upload empty file via SFTP.
Updated the Help Manual for Wing FTP Server.



Wing FTP Server v3.6.9              Released: 1/Nov/2010
--------------------------------------------------------------
Substantially improved directory listing performance.
Improved Windows authentication security, now Windows authentication cannot be enabled if Windows 'Guest' account is enabled.
Improved the content of administrator logs.
Fixed a bug - cannot specify a UNC path as base folder for domain admin.



Wing FTP Server v3.6.8              Released: 20/Oct/2010
--------------------------------------------------------------
Added a feature - Now you can map the AD account to a local user of WingFTP.
Added an FTP command "SITE CHMOD" (only for Linux/Unix).
Improvement - Specific symbols like quotes or backslash can be used in user/admin's password.
Increased the default timeout value for Lua scripting.
Removed Wing FTP version number from FTP reply and HTTP header to address security concern.
Fixed a bug - The upload of Web Client would fail when home directory had no "read" permission.
Fixed a bug - A slow download speed was occasionally recored by the statistics when there was actually no download going on.
Fixed a bug - FTP command "XCRC" couldn't work fine with the 3rd parameter.
Fixed a bug - Domain administrator sometimes couldn't create folder under base folder.
Fixed a bug - Domain administrator couldn't select some folders whose name contains specific symbols.



Wing FTP Server v3.6.6              Released: 23/Aug/2010
--------------------------------------------------------------
Added FIPS 140-2 support for OpenSSL.
Fixed a bug - Certain HTTP requests could make the server crash (Windows only).
Added a feature - Now you can filter user list by group in the administration.
Added option for testing the SMTP connection when adding SMTP config.
Fixed a bug - Users could not select files with Safari 3.0 when using Web Client.
Fixed a bug - When many IP access rules were made, the Allow list would be ineffecitve.
Fixed a bug - Incorrect display of email time(time zone) when Lua API c_Sendmail() was called.
Fixed a bug - some problems with the User and Group.
Fixed a bug - Incorrect disk quota report when transferring files with FTPS.
Fixed a bug - The upload of small files could continue even when disk quota is exceeded.
Fixed a bug - The download of small files could continue even when download limitation is exceeded.
Fixed a bug - When disk quota is already exceeded, continuative uploading might cause the creation a 0-size file on the server.
Improved the sequencing of files or directories selected by Admin.
Updated the OpenSSL library to the newest version 0.9.8o.


Wing FTP Server v3.6.1              Released: 26/Jul/2010
--------------------------------------------------------------
Fixed a bug - Fixed an SSH security vulnerability.
Fixed a bug - Fixed an security vulnerability on the Web Client.
Fixed a bug – More diverse SSH error response codes for occurrence of different SSH errors.
Fixed a bug – Files with Unicode name could not be downloaded when using Windows command line.
Fixed a bug – For some client tools, error might occur when downloading files via SSH protocol.


Wing FTP Server v3.6.0              Released: 15/Jul/2010
--------------------------------------------------------------
Added a feature - The direct zip/unzip of files on server is possible now both for Web Client and FTP client.
Added a feature - Individual access rules for subfolders supported.
Added a feature - Base folder for domain administrator supported.
Added a feature - Improved Web Client Interface now supports both iPhone and Android.
Added a feature - Simultaneous operations on multi-files now supported in Web Client, i.e. you can zip/delete/cut multiple files simultaneously.
Added a feature - Now supports SSH public key authentication for users. 
Added a feature - Text file can be created now while using Web Client.
Added a feature - Added a global option "Disable SSLv2".
Improvement - Updated libpng to version 1.2.44.
Improvement - Permissions of "Rename file" and "Rename folder" now seperated.
Improvement - Modified some hotkeys for Web Client.
Fixed a bug - Server would crash when special IP rules were added, such as "10.*".
Fixed a bug - The case-insensitive character of the Windows system for usernames could go wrong occasionally. 
Fixed a bug - The upload of component could not be properly done with the new version of Flash on Windows 7.
Fixed a bug - When downloading a ".swf" file via Web Client, the content of the file would be displayed directly.
Fixed a bug - If an FTP message contained Carriage-Return at the end, the FTP client would be frozen.


Wing FTP Server v3.5.2              Released: 11/Jun/2010
--------------------------------------------------------------
Fixed a bug - With Disk Quota enabled,server might crash while uploading a file(SFTP-connection only).
Fixed a bug - Change some FTP response codes according to RFC. eg.,the response code for creating a directory has been changed from 250 to 257.

Wing FTP Server v3.5.1              Released: 9/Jun/2010
--------------------------------------------------------------
Added a feature - Added an option for the admin to limit the minimum length of user's password. 
Fixed a bug - Some APIs cannot be implemented in Task Scheduler and Event Manager (only happened with version3.5.0).
Fixed a security vulnerability – Fixed an XSS vulnerability (BUGTRAQ  ID: 40510).

Wing FTP Server v3.5.0              Released: 27/May/2010
--------------------------------------------------------------
Added a feature - Now support Windows Authentication (NTLM Authentication or Active Directory).
Added a feature - Now support domain administrator.
Updated Portuguese and Spanish languages.
Added some server variables, like "%LastDir","%FileName"...
Fixed a bug - Windows Handles leak issue.
Fixed a bug - Event's input box "Program Parameter" will escape quotation marks.



Wing FTP Server v3.4.5              Released: 29/Apr/2010
--------------------------------------------------------------
Fixed a directory traversal vulnerability when using HTTP protocol. (SA39629)
Added Portuguese(Brazil) language.
Added Spanish language.
Updated English language.
Updated the Console application (wftpconsole), now it supports option "-f <Lua file>".
Updated the Help Manual for webclient and webadmin.
Added a password strength bar when changing user/admin password.
Fixed a bug - Can't use filename as parameter for FTP list command.
Fixed a bug - Warning dialog will not popup sometimes when uploading via webclient in Mac OS X.


Wing FTP Server v3.4.3              Released: 14/Apr/2010
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Added a feature - Support wildcards in the filename when doing FTP list.
Fixed a bug - Occasionally incorrect display of SSL certificates information occurred when more than one SSL certificate is contained in the SSL list.
Updated the Help Manual for Wing FTP Server.
Updated English language both of webadmin and webclient.


Wing FTP Server v3.4.2              Released: 28/Mar/2010
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Updated German language.
Updated Traditional Chinese language.
Updated the Help Manual for Wing FTP Server.
Added a feature - Support SSL certificate chain, as some certificate authorities only issue chained certificate.
Fixed a bug - Error occured when using SSH protocol with some FTP clients.


Wing FTP Server v3.4.1              Released: 8/Mar/2010
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Fixed an information disclosure vulnerability when using HTTP protocol.
Fixed a bug - Installation for Windows would not register service sometimes.
Changed timeout value for HTTP connections. 
Updated the Help Manual for Wing FTP Server.


Wing FTP Server v3.4.0              Released: 5/Mar/2010
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Added Italian language.
Added Dutch language.
Updated English language.
Fixed a directory traversal vulnerability where it is possible to see or download files outside of user's home directory. Only in the Web Client.
Added a feature - Now supporting graphs display for real-time server traffics.
Added a feature - Logo can be customized for Web Client's upper-left corner.
Added a feature - You can re-generate a random password for an existing user.
Added a feature - Disk quota capacity could be displayed in the Web Client.
Add supporting for some SSH commands like SSH_FXP_SETSTAT, SSH_FXP_READLINK, and SSH_FXP_SYMLINK etc.
Fixed a bug - Cannot List in the Web Client when current directory name contains "&".
Fixed a bug - While exiting the program, an exception would occur if there were active ssh sessions.
Fixed a bug - List content may be incomplete for all the protocols on Linux or Mac OS.
Fixed a bug - Full path like "C:/wftplog.txt" is invalid for log filename.
Fixed a bug - Cannot resume uploading when filename contains Unicode characters.


Wing FTP Server v3.3.5              Released: 3/Feb/2010
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Fixed a bug - Server might crash when removing a directory, WinSCP(SFTP-connection)only.
Fixed a bug - Can not rename a file using SFTP with some client tools.
Fixed a bug - On Unix like systems, the file/directory attributes of list results are incorrect using SFTP.
Fixed a bug - Mistake of wrong file size occasionally happens when using WinSCP(SFTP-connection) to download a file.


Wing FTP Server v3.3.4              Released: 31/Jan/2010
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Added German language.
Added a right menu to the Web Client's search window, then you can delete files in the search result.
Fixed a bug - Server would crashed when client is Putty SFTP and uses command "mget". 
Fixed a bug - Non-root user can not start wftpserver in Linux.
Fixed a bug - When uploading file through Web Client, the increased quota size was not equal to the file size.
Fixed a bug - The quota size will increase when overwriting the same file.
Fixed a bug - User can not change his password when user accouts are stored by database.
Fixed a bug - Where getting some special file or folder's attribute would fail in the SFTP transfer.
Fixed a bug - User can not logon to the Web Client when username or password contains blanks.
Fixed a bug - An error would occur when removing directory in the Web Client.


Wing FTP Server v3.3.0              Released: 15/Jan/2010
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Added a file search feature to the Web Client that allows user to recursively search for specified files. 
Fixed a bug - batch downloader in Firefox and Safari can not show the buttons correctly.
Fixed a bug - batch downloader's progress bar will be still 100% when file is bigger than 2GB. 
Fixed a bug - can not download some file whose filename includes "&#" in the Web Client.
Fixed a bug - when your virtual directory has no list permission, you can not change to that directory.


Wing FTP Server v3.2.8              Released: 30/Dec/2009
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Added a feature that you can block some IP(or IP range) for a while.
Fixed a security bug - a cross site request forgery vulnerability in the web administration.
Fixed a security bug - Linux server may crash when sending too long FTP command. 
Fixed a bug - Windows Vista or Windows 7 can not start system service with UAC issues.
Fixed a bug - web client for some iphone/ipod will not display correctly.
Fixed a bug - a display issue when closing multi-files downloader in Safari 4.0.


Wing FTP Server v3.2.4              Released: 19/Dec/2009
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Added Mac OS X Edition, both X86 and PowerPC.
Added Romanian language.
Added multi-files download function for web client.
Added a feature that you can create customizable logo for different domain.
Added a quick search function for the web client. Using the keyboard, instantly search for files you need by typing in the first letter of the file name.
Fixed a bug - can't start Tray Application in Windows 7.
Fixed a bug - can't upload files in web client from Mac OS using Safari.
Fixed a bug - a waring box will popup when changing directory from Mac OS using Safari with Chinese or Japanese.


Wing FTP Server v3.2              Released: 22/Nov/2009
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Added multi-files upload feature for web client.
Added French language.
Added Czech language.
Added a console admin tool - WFTPConsole.exe
Added handling Tab key in lua script editor.
Fixed a security bug - ftp server maybe crash when using some invalid paramter for PORT command.
Fixed a security bug - when many clients transfer files using PORT mode, ftp server maybe crash.
Fixed a bug - can't submit too long lua script in event editor.
Fixed a bug - can't use utf-8 characters for username in IE8 or Chrome3.
Fixed a bug - can't specify some ip address for port listener.



Wing FTP Server v3.1.2              Released: 20/Oct/2009
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Improved some UPnP feature. 
Added support for adding network-share user directory. 
Fixed a sending mail bug when connecting to some SMTP Server. 
Fixed a bug about username case-sensitive. 
Fixed web client's directory-view is bit small in Firefox. 



Wing FTP Server v3.1              Released: 12/Oct/2009
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Added read-only administrator.
Added create custom logo function.
Added clear thumbnail image file function.
Added generate random password for user account.
Added password support for SSL private key file.
Added create certificate signing request(CSR) file.
Fixed can not operate directory in windows explorer.
Fixed can not show virtual directory in FlashFXP.
Fixed can not download files without filename extension in Web Client.
Fixed can not Copy and Paste files in Web Client.
Fixed can not use the variable %PathName in file uploaded event.
Updated tray application.
Updated language files.



Wing FTP Server v3.0              Released: 1/Oct/2009
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Changed product name from "Win FTP Server" To "Wing FTP Server". 
Completely rewritten and redesigned software.
Added cross platform support(Windows,Linux,Mac,Solaris,FreeBSD)
Added web based administrator.
Added web based client.
Added SSH protocol support.
Added create SSH key support.
Added administrator console(like unix shell).
Added task scheduler.
Added programmable event manager.
Added Lua scripts support.
Added database storage(ODBC,MySQL) support.
Added multi domain support.
Added multi language support.
Added administrative accounts
Added tray icon monitor.
Added SSL certificate manager.
Added SSH Key manager.
Added SMTP server manager.
Added UPnP support.
Added administration log support.
Added server log support.
Added server status report.
Added domain status report.
Added HTTP events manager.
Added SSH events manager.
Added user auto expire support.
Added access time support.
Added listener manager.
Added transfer quota limit.
Changed the tray icon.
Changed the program icon.
Changed the help file.
Fixed all bugs in the version 2.4. 
 
 



Win FTP Server v2.4              Released: 3/Jun/2008
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Changed the tray icon.
Changed the program icon.
Improved the server speed.


Win FTP Server v2.3              Released: 26/Nov/2007
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Added create customized certificates support
Fixed bug in connection time-out mechanism. 
Fixed bug when transfer big file(over 4GB).


Win FTP Server v2.1              Released: 19/Feb/2007
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Added sfv check support.
Addes SSL smtp server support.
Fixed the bug in VBScripts.



Win FTP Server v2.0              Released: 27/Dec/2006
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Complete new user interface.
Added event manager support.
Added email notification support.
Added event tray tip support.
Added scripts (VB, JS) support.
Added graphic view for download/upload.
Added progress bar for file download.
Added IP watcher.
Added message list.
Added Hit-O-Meter.
Added server statistics
Added Mode-Z support.
Fixed some bugs in SSL connection.


Win FTP Server v1.6              Released: 8/May/2006
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Added Secure FTP (SSL) support.
Added FEAT, OPTS, PROT, and AUTH commands support. 
Added system service support.
Added task schedule support.


Win FTP Server v1.5              Released: 18/Sep/2005
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Added directory cache support.
Added free file support.
Added log file limit support.
Added SITE MSG command support.
Added SITE PASSWORD command support.


Win FTP Server v1.4              Released: 5/Apr/2005
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Added dynamic IP support.
Added get IP from website support.
Added the tip of day.
Added SITE CHMOD command support
Fixed bug in LogScreen.


Win FTP Server v1.3              Released: 23/Nov/2004
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Added download/upload ratio support.
Added file access support.
Added connection time out support.
Added date transfer time out support.
Changed the log format.


Win FTP Server v1.2              Released: 1/Jan/2004
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Added disk quota support.
Added IP access support.
Changed the tray icon.
Changed the tray tip text.
Fixed PASV command error.
Fixed some bug in virtual directory.


Win FTP Server v1.1              Released: 15/Dec/2003
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Added group support.
Added NLST command support.
Added "Hide files/dirs with hidden attribute" for user.
Added virtual directory support.
Fixed bug in using a passive mode port range.
Fixed bug in file download speed limit.
 


