Have a look at shorewall (google it) for the best thing I've ever seen for managing a Linux firewall 2010/4/23 cahit Eyigünlü <cahit.eyigunlu at gmail.com>: > how could i add / remove iptable rules on cet os 5.4 final for tcp / udp > base on ports > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"