[PLUG] Linux firewall, ssh, and NAT question
robinsoq
robinsoq at mail.opusnet.com
Fri Jul 11 12:04:01 UTC 2003
---------- Original Message ----------------------------------
From: "Matt Alexander" <m at pdxlug.org>
Reply-To: plug at lists.pdxlinux.org
Date: Fri, 11 Jul 2003 11:54:53 -0700 (PDT)
>If I have a Linux firewall (iptables) doing NAT, does that mean I can't
>ssh directly to it from the outside? Do I have to port-forward ssh to
>another machine and then ssh into the firewall using the internal
>interface?
>
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You may need rules to allow ssh to your external interface and it's
important to realize that ssh itself does it's own blocking apart
from what iptables does at the packet level. Ssh needs to be
configured to allow connections from the outside.
-- Michael C. Robinson
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