iptables
Description
iptables is a command for controlling how IPv4 traffic is processed by the Linux kernel firewall (netfilter). Common reasons for using it are to block unauthorised traffic or to enable Network Address Translation (NAT).
microHOWTOs
- Block unsolicited inbound network traffic using iptables
- Implement port knocking using iptables
- Limit the rate of inbound TCP connections using iptables
- Make the configuration of iptables persistent (Debian)
- Share an IP address between clients using iptables
- Share an IP address between servers using iptables
Troubleshooting guides
See also
Further reading
- netfilter/iptables project homepage, The netfilter.org project
- Rusty Russell, Linux 2.4 Packet Filtering HOWTO, The netfilter.org project
- Rusty Russell, Linux 2.4 NAT HOWTO, The netfilter.org project