The Geek Stuff shows you how to remove all IPTables rules on CentOS
On Red Hat based Linux, iptables comes with certain default rules. It is good idea to clean them up, and start from scratch. This article is part of an ongoing iptables tutorial series. This is the 2nd article in that series. In our 1st part, we discussed about IPTables Tables, Chains, Rules Fundamentals.IPTables Flush: Delete / Remove All Rules On RedHat and CentOS Linux