[NTLUG:Discuss] ftp through RH5.1 masq machine

[Kelly Scroggins]

Thanks for all the replies to my "cry for help".   I have another question tho.

At present IRC, and Real Audio is working fine.  I didn't load those modules.  Is
it possible that they are loaded by default?  If so, I'm perplexed that a common
service like ftp wouldn't be loaded by default as well.

I'm not in front of my machine at the moment so I'll check it when I can.  Maybe
the additional modules ARE running.

Are these the commands I would use to check the masq rules?
ifpwadm -I -l
ifpwadm -O -l
ifpwadm -F -l

Kelly


Dale Massey wrote:

> Kelly Scroggins wrote:
> >
> > I've got a Red Hat 5.1 machine with masq running.  I can surf the net until
> > my hearts content.
> >
> > I can't use ftp from inside my LAN.  I can login to an ftp server, but I
> > can't list files. I CAN "pwd" though.
> >
> > I've decided the problem is with my gateway because I CAN ftp to the same
> > sites from other locations, like work.
> >
> > I'm puzzled because I haven't got any firewall rules set up yet (yikes!).  I
> > can't get them to work.  All I have is an "ALL:ALL" entry in the
> > /etc/hosts.deny file for now. Which as I stated earlier, hasn't prevented me
> > from surfing the web or loging into an ftp server.
> >
> > So I would think that any packets that are returning (ACK bit is set) would
> > be allowed back in to my network.  And apparently does, with this
> > exception.  This problem must be unrelated to the issue.
> >
> > Do you know of anything I could try off hand?
> >
> > Thanks,
> > Kelly
> >
> > _______________________________________________
> > http://ntlug.org/mailman/listinfo/discuss
>
> Kelly,
>
> Sounds like you need to load the ftp module.
>
> modprobe -a /lib/modules/kernel#/ipv4/ip_masq_ftp.o
>
> This should fix it for you. The kernel# would be the version of the
> kernel you are using. For me that would be 2.2.5-22 (it's a redhat
> kernel). You can add this line and any of the other modules you want to
> your firewall rules script or directly to your  rc.local file.
>
> Dale Massey
>
> _______________________________________________
> http://ntlug.org/mailman/listinfo/discuss

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