John Von Essen on 8 Apr 2006 04:44:44 -0000

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[PLUG] nfs through a DMZ

I have two debian machines, one in an internal net, the other in a dmz net. Everything is behind a PIX firewall.

I need the dmz client to mount a nfs share from the internal net server. So I opened up port 2049 tcp/udp, and also port 111 tcp/udp. The nfs mount still hangs. While doing a tcpdump the rpc port 111 traffic goes back and forth, but no nfs. Am I missing something in the firewall?

Granted all of this poses security and performance issues, but its a special circumstance. At this point I just need to prove that it can be done.


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