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ISA Server 2000 Hotfix for FTP Client Invalid PORT Command |
This hotfix verifies that the IP address and port specified in an FTP client PORT command are appropriate to the current FTP session in both inbound and outbound FTP sessions.
During a normal FTP session, a PORT command can be executed to specify the client’s IP address and port for the data channel from the FTP server to the client for any following data requests. Since it is possible for the user to specify any IP address and port in this command, the user can effectively use the FTP server to perform a port scan on the client’s behalf. This hotfix verifies that the IP address and port specified in a PORT command are appropriate to the current session in inbound and outbound ftp sessions. If the command is considered invalid, the ISA Server will respond with “500 invalid PORT command.”
Files
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Status: DeletedThis download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to November 2012. |
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System Requirements
Operating Systems: Windows 2000, Windows Server 2003
Supported operating systems: Windows 2000, Windows Server 2003
- Microsoft Internet Security and Acceleration Server 2000
- Microsoft Internet Security and Acceleration Server 2000 Service Pack 1
Installation Instructions
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- Do one of the following:
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