iptables(8)

• IPTABLES(8) IPTABLES(8)

• NAME

• iptables - IP packet filter administration

• SYNOPSIS

• iptables -[AD] chain rule-specification [options]

• iptables -[RI] chain rulenum rule-specification [options]

• iptables -D chain rulenum [options]

• iptables -[LFZ] [chain] [options]

• iptables -[NX] chain

• iptables -P chain target [options]

• iptables -E old-chain-name new-chain-name

• OPTIONS

• COMMANDS

• -A, --append

• Append one or more rules to the end of the selected

• chain. When the source and/or destination names

• resolve to more than one address, a rule will be

• added for each possible address combination.

• -D, --delete

• Delete one or more rules from the selected chain.

• There are two versions of this command: the rule

• can be specified as a number in the chain (starting

• at 1 for the first rule) or a rule to match.

• -R, --replace

• Replace a rule in the selected chain. If the

• source and/or destination names resolve to multiple

• addresses, the command will fail. Rules are num-

• bered starting at 1.

Notes: