

The packet does not match, the next rule in the chain isĮxamined if it does match, then the next rule is specified by Is called a `target', which may be a jump to a user-defined chainĪ firewall rule specifies criteria for a packet and a target. Each tableĬontains a number of built-in chains and may also contain user-Įach chain is a list of rules which can match a set of packets.Įach rule specifies what to do with a packet that matches. The tables of IPv4 and IPv6 packet filter rules in the Linux Target = -j targetname ĭESCRIPTION top Iptables and ip6tables are used to set up, maintain, and inspect Iptables -P chain target iptables -E old-chain-name new-chain-name

Iptables/ip6tables - administration tool for IPv4/IPv6 packet IPTABLES(8) iptables 1.8.8 IPTABLES(8) NAME top
