I don't know the reasons. I would disable it and use firewall only.
--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Patrick D." <(E-Mail Removed)> wrote in message
news:0797663F-F8AE-4733-A866-(E-Mail Removed)...
> Hi,
>
> Windows 2003:
> If I turn on the Windows Firewall, defining only port 21, 80, 443 and 3389
> as open ports, can I turn off TCP/IP filter completely on my webserver?
>
> The thing is, that with TCP/IP filter activated (include allowing above
> ports), the FTP upload from a client to this server is terribly slow.
>
> Is the "firewall only" version less secure?
> Or does anybody know the reason, why FTP is this slow?
>
> Thanks for your help.
>
> Patrick