Network Configuration
iptables
Configures Netfilter firewall rules for Linux.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-10-07
Syntax
$iptables [OPTIONEN]
Examples
$iptables -L
$iptables -A INPUT -p tcp --dport 80 -j ACCEPT
Typical use cases
?
Standard usage
iptables --help
Note
Legacy Firewall Tool, replaced by nftables.
Export