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12. Functions to modify firewalling rules and statistics

For those of you who are a little brave, libiptc has a group of functions to directly modify the firewalling rules and statistics (use of iptables is really the safest way).

These functions are not covered by this HOWTO and I will limit myself to presenting improved information taken from libiptc.h and the Linux netfilter Hacking HOWTO by Rusty Russell.