Use CentOS Linux for Routing, Proxy, NAT, DHCP – Part 7

In part 7, I demonstrate how to output your actively running iptables configuration to a text file, and make it permanent, by replacing the default iptables configuration file located at /etc/sysconfig/iptables

In this series of tutorials we convert a CentOS server to a transparent proxy that can handle routing, network address translation (NAT), DHCP, and DNS.

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