IPTables Tutorial 1.2.2 [pdf](homes.di.unimi.it)
homes.di.unimi.it
IPTables Tutorial 1.2.2 [pdf]
http://homes.di.unimi.it/sisop/qemu/iptables-tutorial.pdf
2 comments
This tutorial is 459 pages long. What's it take to get an in-depth understanding of the program?
Learn nftables instead, iptables is going to be replaced by it in the future.