2004-11-28 155633.txt

教师管理系统是在学校局域网架设的B/S结构的办公平台。系统有四个模块：系统设置

CHANGES SINCE VERSION 1.00
==========================

Version 5.0 (5.0.0.9) Released 15 April 2004
--------------------------------------------
* Fixed bug in performance counters, value for 'Total KB transferred' was wrong.
* Fixed bug in path parser causing crashes for certain paths.
* Added ODBC connection retry in case connection fails immidiately after server start.
* Changed registration key mechanism, key is valid when the last major version was released within update period.
* Ported code to Borland C++ Builder v6.
* Fixed a number of Admin bugs causing crashes.
* Fixed bug in Daemon dir listing code causing crashes.
* Fixed bug causing crashes on Daemon exit.
* Changed MDTM so it can now change the date/time of directories as well as files.
* Added support for SSCN command.
* Added better crash loging to Administrator program, logs to file ServUCrashReport.elf.

Version 5.0 (5.0.0.4) Released 23 February 2004
-----------------------------------------------
* Changed Windows' port checking code to better detect ports in paths.
* Fixed bug where enabling/disabling directory cache does not get saved.
* Fixed bug of tray-icon not starting automatically upon reboot.
* Fixed SQL statement bug for lookups in dir access and IP access rules tables.
* Added domain settings option to auto-create homedir if it doesn't exist.
* Added automatic connection retry in case ODBC connectivity is lost.
* Fixed bug in access DLL mechanism, causing events to not get dispatched under certain circumstances.
* Fixed bug causing SSL transfers to fail when a speed limit is used.
* Fixed bug in MDTM command that potentially caused the daemon to crash.

Version 5.0 (5.0.0.0) Released 20 January 2004
----------------------------------------------
* Added support for user account setting that requires a secure connection to log in.
* Added 'Apply' and 'Restore' buttons to various panes.
* Added support for NLST command to list dirs on a per-domain basis.
* Fixed bug in deleting user accounts starting with same partial name.
* Added 'up' button to Administrator program. 
* Added XCRC support.
* Added support for independent server-level uplink/downlink bandwidth limits.
* Changed Admin code to trap certain exceptions in XP.
* Fixed bug not showing custom domain message for "no anymous access".
* Added code to auto-create user's homedir if it does not exist yet.
* Added support for more SSL ciphers.
* Added code to enforce that domain/group admins cannot assign rights they don't have.
* Changed symbolic message parameters to show "unlimited" when needed.
* Added support for putting individual domains online/offline.
* Fixed bug causing crashes when using "%ServerAvg" message directive.
* Fixed XP problem with long server startup times.
* Fixed bug in dir listing of root dirs with path as argument.
* Changed check for the need of a secure connection from PASS to USER command.
* Fixed bug with Windows 2003 in setting up listening sockets.
* Changed MDTM command to work with UTC instead of local time.
* Changed PORT command to block use of ports below 1024.
* Fixed bug causing use of ports (ie. printing-via-FTP) to fail.
* Changed NLST command to return 550 error reply in case no entries are found.
* Made tray icon persistent in case of Explorer crashes/restarts.
* Added ODBC database support.
* Fixed bug causing disk quota to fail under certain conditions.
* Added license volume checking.
* Added per-domain user/group account settings cache time-to-live.
* Changed password encryption from a server-wide setting to a per-domain setting.
* Changed listening socket handling, now running in seperate thread.
* Fixed bug in dir listing cache, when caching more than 63 entries.
* Fixed buffer overflow bug in MDTM command.
* Added support for CLNT command.
* Added support for Corporate Edition.

Version 4.1 (4.1.0.3) Released 3 January 2003
---------------------------------------------
* Fixed bug causing status bar info to get sent when status bar is hidden.
* Changed handling in case Anonymous account doesn't exist.
* Fixed bug in renaming files for Win95.
* Fixed bug where SSL certificates were erronously tagged as v4, now they are v3.

Version 4.1 (4.1.0.0) Released 4 November 2002
----------------------------------------------
* Changed certificate creation to verify country code input.
* Internationalized forms and code, to enable localization.
* Various layout changes to accomodate localization of the Administrator program.
* Changed code to remove unescaped telnet characters.
* Added code to block paths using "alternate data streams".
* Fixed bug allowing read-only admins to kick users.
* Created 90 second session time-out before login.
* Fixed bug with MDTM not sending a reply in case no date is available.
* Log message "Starting FTP Server..." now logged by all domains to indicate server start.
* Changed RNTO command so it works when a different destination volume is specified.
* Fixed bug where WinSock activity didn't get logged for data sockets with limited port range.
* Fixed bug allowing clients to start transfers while server stop was pending after transfers finish.
* Fixed bug with dir listing mask for some mapped UNC paths not showing read-write bits.
* Fixed bug in SITE CHMOD command when file name starts with digits.
* Added domain port and domain ID fields to access verification DLL structure.
* Added domain port and domain ID fields to event verification DLL structure.
* Changed Administrator program to load SSL libraries on demand.
* Changed telnet escape sequence handling to fix problems with 8-bit languages.
* Changed layout of Admin for local server login.
* Added option to enable/disable SSL for remote admin connection.
* Fixed bug in session time-out mechanism.
* Changed "Apply" button/menu layout to make confusion less likely.
* Added universal dynamic-DNS support.
* Removed TZO support.
* Changed socket handling to make daemon less sensitive to DOS attacks.
* Implicit SFTP now allows insecure data channel if negotiated through PROT command.
* Changed install and master wizard so Serv-U is not a (system) service by default.
* Added support for P@SW command to allow certain SMC Barricade routers work with passive mode. 
* Added tray icon shortcut to start menu.
* Fixed bug allowing entry of ports over 65535 for a domain.
* Changed code so account home directory cannot be deleted by client.
* Changed code to pass SRVU_Password to add-on DLLs in case account has no password.
* Added menu toggle for startup splash screen.
* Added support for clipboard entry of alternate registration key format from SERV-UID.TXT file.
* Added support for files over 2GB, now works for files up to around 9,000,000TB. 
* Changed code so Admin program no longer requests status bar info when bar is not visible.

Version 4.0 (4.0.0.4) Released 4 February 2002
----------------------------------------------
* Added support for FEAT, OPTS, PBSZ, PROT and AUTH commands.
* Fixed bug in Admin program about clearing all sysop messages not working.
* Added TLS/SSL support, both for implicit and explicit SFTP.
* Fixed bug in tray icon not showing server stop in case performance counters are used.
* Adherence to RFC2228, RFC2246, RFC2389 and the IETF draft "Securing FTP with TLS".

Version 3.1 (3.1.0.3) Released 1 January 2002
---------------------------------------------
* Fixed bug causing crashes with access verification DLLs.
* Fixed bug in Admin program about clearing all sysop messages not working.

Version 3.1 (3.1.0.1) Released 26 December 2001
-----------------------------------------------
* Fixed bug causing Daemon crashes on Win98 due to insufficient stack space.
* Fixed bug of tray icon not auto-starting in some instances.
* Fixed installer bug causing start-menu to be missing on Win9x.

Version 3.1 (3.1.0.0) Released 20 December 2001
-----------------------------------------------
* Removed left-click menu from tray-icon due to conflict with double-click.
* Fixed bug in reporting cause of failed transfers ("killed by server" used erronously).
* Fixed bug causing Admin program crashes upon exit.
* Added support for TZO.com dynamic DNS.
* Fixed various problems related with Terminal Services and Fast User Switching (XP).
* Changed installer to install start menu items for all users.
* Fixed bug not showing user info when very long file paths were involved.
* Added option to enable/disable conversion of URL characters (like '%20').
* Fixed bug preventing user info details from auto-updating.
* Changed QUIT reply code from 220 to 221 to be in compliance with RFC959.
* Fixed bug preventing program from getting minimized.
* Fixed bug in using a passive mode port range.
* Fixed bug to list contents for NLST with a specific directory argument.
* Changed admin program to be hidden when minimized while viewing local server.
* Fixed bug preventing renaming of directories in some cases.
* Added event notification for raw FTP commands and FTP replies.
* Changed no. of login attempts after a successful login to only 1.

Version 3.0 (3.0.0.17) Released 30 May 2001
-------------------------------------------
* Fixed bug in file times displayed in dir listings, sometimes off one hour.
* Fixed bug when using "\" as an access rule.
* Added menu item to find lost registration ID via Internet.
* Fixed bug with "Help | Getting Started" menu selection.
* Fixed bug with "Del" key not working when editing in some panels.
* Changed tray-icon to (also) enable/disable its auto-start when starting/stopping.
* Fixed bug in total user acount count shown in license just after install.
* Fixed bug in uninstaller when admin program is running.
* Added installer code to replace IMAGEHLP.DLL when old DLL has no version info.
* Added caching of domain settings to speed up server start and reloading of settings.
* Fixed installer bug causing errors with IMAGEHLP.DLL when a reboot was needed.
* Added registration button to license panel.
* Fixed bug erronously enabling current quota button for remote admin.
* Fixed bug when running server on systems without C:\ drive.

Version 3.0 (3.0.0.16) Released 15 May 2001
-------------------------------------------
* Changed RNTO command so renaming to same file/dir name always succeeds.
* Added crash logging to server and admin program. Logs in ServUCrashReport.txt file on crashes.
* A successful login now resets anti-hammering for that user.
* Changed "delete" access to no longer auto-include "write" and "append" access.
* Added support for automatic account expiration date.
* Added support for limiting PASV port range for use over firewalls.
* Changed product name from "FTP Serv-U" To "Serv-U".
* Changed SIZE command to work with either read, write, append, modify or list access.
* Changed memory managers for daemon and admin to use SmartHeap instead of RTL.
* Added support for messages to/from the sysop between client and server.
* Changed defaults for keep-alive and inlining-OOB, now off by default.
* Added support for killing file transfers.
* Added auto-blocking for 1 minute of users where session time-out is exceeded.
* Added support for system tray icon.
* Added support for maximum session duration.
* Completely removed OWL class library from daemon code.
* Changed "current transfer speed" in user activity info to be more accurate.
* Changed daemon compiler from BC++ 5.02 to BCB 5.0.
* Added menu item to view local IPs (for people with dynamic IP).
* Various installer changes/enhancements.
* Added logging of blocked IPs as part of the "security" related log messages.
* Changed dir listing code to improve efficiency.
* Changed reported current speed for users to be a 6 second average.
* Added support to lock files while downloading.
* Extended blocking FTP_bounce attacks to also block FXP.
* Added support for disabling PASV.
* Added support to disable date/time changes through MDTM.
* Added support to block future date/time changes through MDTM.
* Added SITE CHMOD command to set/reset read-only and hidden attributes.
* Changed dir listings to properly reflect read-only and hidden attributes.
* Added option to filter domain and session log text.
* Added support for mapped directories (virtual paths).
* Added full support for UNC paths.
* Added various ways to kick a user off the server.
* Added remote viewing of current list of blocked IPs on server.
* Added support for F6 to toggle focus between left and right panels.
* Added NT performance monitor support.
* Added support for running as Win95/98 or native NT system service.
* Added support for registry based domains in addition to .ini file domains.
* Added extensive caching for user setup data.
* Added caching for message files (signon, login etc).
* Added caching for server response messages.
* Added support for various user defined server response messages.
* Added support for configurable log file name when using automatic rotation.
* Added domain-specific user activity.
* Changed WinSock logging to be more efficient.
* Added split speed limits for uploads/downloads to user setup.
* Added support for dynamic IP and multiple domains sharing same listening socket.
* Added support for remote server shutdown and placing server offline.
* Added support for domain-specific logging.
* Added support for domain-specific server ports.
* Changed passwords to use MD5 hash instead of UNIX 'crypt'.
* Changed speed calculations to use more precise (1ms) timer.
* Added control over low-level socket options.
* Created brand-new administrator program for server setup.

Version 2.5k Released 16 April 2001
-----------------------------------
* Fixed bug in setting server user limit to 0.
* Changed RNTO command so renaming to same file/dir name always succeeds.

Version 2.5j Released 19 March 2001
-----------------------------------