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Understanding iptables TCP Flags by list_course is a document available to read on EtoBox.

What is Understanding iptables TCP Flags about?

This document explains the iptables command "iptables -A INPUT -p tcp --tcp-flags SYN,RST,ACK,FIN". It describes that this command appends a rule to the INPUT chain to match TCP packets with the SYN flag set and the RST, ACK, and FIN flags unset, and accepts the packet. It also notes that this command is equivalent to using just "--syn".

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list_course

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EN