Win2003 firewall causes FTP to be unusable _win server

The system cannot access other server servers via FTP after windows2003 firewall

Using the Explorer to open an FTP server directly prompts for no permissions, using the FileZilla client to elevate restrictions such as application-layer gateways, is caused by Windows Firewall.

Open the registry in hkey_local_machine\software\microsoft\alg\isv\{6e590d61-f6bc-4dad-ac21-7dc40d304059}

Open key value Preferexternalmanifest modified to disable

If you turn on the firewall, it's not enough to just join 21. You must add the appropriate application