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Old 10-13-2006, 10:21 AM   #1
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NFS - How can I direct traffic to a specific nic?

Hi all

I have two machines, one running RedHat Enterprise 4 (A) and the other running RedHat 9 (B). A is on 3 networks but B is only on one and I had set up NFS between them, everything working fine. I noticed however that in my firewall I had opened NFS access from A's external interface to B but I want to separate external and internal traffic completely so I want to use A's internal interface.

However, when I changed my firewall settings, nfs stopped working. Is there any way to configure nfs so it uses a particular interface?

Old 10-13-2006, 11:10 PM   #2
Registered: Mar 2003
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You're best off configuring your firewall correctly, lest you may have visitors viewing your nfs share. man iptables. read this concentrate on the hosts.allow hosts.deny portion.

Invest the time to learn iptables well. It's worth it.
Old 10-25-2006, 04:59 AM   #3
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My firewall is Astaro so I'm not dealing with iptables directly. I tried setting up a static route in Astaro, so that everything going to B's network would go through A's internal interface. But it still doesn't seem to work. Can this be a configuration issue with NFS? My common sense tells me it isn't but I'm not sure what to try next.



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