Iptables Configuration - davidcarver/losf-cookbook GitHub Wiki

This section of the installation is open to much interpretation, but in general you can trust your compute nodes so I am advocating simply allowing incoming connections from their subnet. It is important to note that LosF does not directly communicate with a network besides minor things like using yum to download rpms. LosF uses the shared network directory to do all practical tasks so there are no explicit rules required for LosF beyond the network shared directory.

Allow cluster networks access to this master host in /etc/sysconfig/iptables

-A INPUT -s 192.168.100.0/24 -j ACCEPT

Restart iptables to apply the new configuration

root@master config]# service iptables restart