iptables -A SSH_IN -p tcp -m tcp -s $x -d localhost --dport 22 -j ACCEPT iptables -A SSH_IN -p udp -m udp -s $x -d localhost --dport 22 -j ACCEPT iptables -A INPUT -p ...

You can then use something like puppet to manage your configuration scripts. firewallbuilder is overkill if you just need to do something simple though. For simple, you can set one firewall up with ...

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "="" operating="" system"="">, which is a customized flavor ...