Re: TCP/IP filtering and FTP

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: George Valkov (null_at_somewhere.com)
Date: 09/23/04 

Date: Thu, 23 Sep 2004 20:35:15 +0300

I am asking about TCP/IP filtering, and not ICF!

"Todd J Heron" <todd_heron_no_spam@hotmail.com> wrote in message
news:OMGk8xYoEHA.3968@TK2MSFTNGP11.phx.gbl...
> "George Valkov" <null@somewhere.com> wrote in message
> news:eFemqjXoEHA.3876@TK2MSFTNGP15.phx.gbl...
> > If TCP 21 was enough, I wouldn't even post that topic here!
> > As far as I know both TCP 20 and TCP 21 are required for the FTP session
> to
> > work. But if I tell the filter to enable only these ports I can't access
> the
> > FTP service locally and I cannot connect to remote FTP servers.
> >
> > I have another server - HTTP with only TCP 80 open and it works fine!
> >
> >
> >
> > "Robert L [MS-MVP]" <noreply@hotmail.com> wrote in message
> > news:uWP3QtWoEHA.1608@TK2MSFTNGP15.phx.gbl...
> > > 21
> > >
> > > --
> > > For more and other information, go to http://www.ChicagoTech.net
> > >
> > > Don't send e-mail or reply to me except you need consulting services.
> > > Posting on MS newsgroup will benefit all readers and you may get more
> > help.
> > >
> > > Robert Lin, MS-MVP, MCSE & CNE
> > > Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting
> on
> > > http://www.ChicagoTech.net
> > > This posting is provided "AS IS" with no warranties.
> > >
> > > "George Valkov" <null@somewhere.com> wrote in message
> > > news:uPZmwjVoEHA.800@TK2MSFTNGP14.phx.gbl...
> > > > What ports and protocols should I enable in TCP/IP filtering for the
> FTP
> > > > service to work?
> > > > Also the server must be able to make outgoing connections to other
FTP
> > > > servers.
>
> Open TCP 20 & 21 inbound. As for external connections, your
router/firewall
> or the ICF will allow any traffic originating from the machine to go out,
> so you need not worry about that.
>
>
> --
> Todd J Heron, MCSE
> Windows 2003/2000/NT
>
>

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