[TriLUG] Firewall blues...

[Christopher Knowles]

On Thursday 14 February 2002 10:08 pm, Christopher Knowles wrote:
> OK, I've got an ipchains masquerading firewall.
>
> I need for two remote users to be able to ftp to a server that is, and must
> remain inside the firewall.
>
> I've set up the rules to allow incoming ftp and ftp-data connections.
>
> I've set up portforwarding to forward ftp and ftp-data connections to the
> firewall to that server.
>
> Now, users Able and Baker...
>
> Able is a newbie, and is naked on the internet, no protection, and he can
> ftp in just fine.  Everything is good.
>
> Baker, he has a linux based ipchains firewall (and I've even used a Charlie
> with iptables to the same effect).  He can log into the ftp server, but
> when he tries to do a dir, pasv, or cd, get etc... it just hangs.  I can't
> find any reference to the packets soming in with the logs.  (Any way to log
> ipmasqadm?)
>
> Any ideas?  I would like Baker (and Charlie) to be able to get in to the
> ftp server.
>
> CJK
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I should mention that Baker and Charlie both have the appropriate rules in 
their firewalls to allow ftp to servers such as redhat, etc...

CJK