Fina is a simple, robust bash script that loads iptables rules from a rules directory. As such, it isn't concerned with creating rules for you; it just helps you load them in a robust way, going back to older or safe rules when things go wrong.
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ptf is a simple TCP forwarder written in Python. It is not (yet) usable for FTP but many other protocols such as IRC (without DCC) or NNTP.
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