Allow NFS through iptables on a RedHat system

This post describes how you can configure your RedHat Enterprise WS 4 NFS system behind a iptables firewall to be available for clients outside the firewall on a permanent basis. Symptom NFS relies on portmap to assign the ports on which it will listen. One side effect of this is that the ports are randomly […]

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Allow NFS through iptables

This is one way to determine the ports needed to open in your iptables rules to get NFS to work properly. First we need to determine the ports NFS uses rpcinfo -p | awk -F ” ” ‘{print $3 “, ” $4 “, ” $5}’ | sort | uniq Notice! Since portmap assigns ports on […]

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