iptables is a user space application program that allows a system administrator to configure the Netfilter tables, chains, and rules.
The iptables package also includes ip6tables. ip6tables is used for configuring the IPv6 packet filter.
The software is released under an open source license.
Key Features
- Handles filtering and management of incoming and upgoing IP packets.
- Part of the Netfilter framework.
- Performs Network Address Translation (also known as masquerading).
Website: www.netfilter.org
Support: HOWTOs
Developer: netfilter core team
License: GNU General Public License v2.0
Related Software
| Firewalls | |
|---|---|
| OpenSnitch | Interactive application firewall |
| nftables | Provides a new in-kernel packet classification framework |
| Firewalld | Dynamically managed firewall with support for network/firewall zones |
| ufw | Uncomplicated Firewall. This is software for managing a netfilter firewall |
| Portmaster | Application firewall that does the heavy lifting |
| iptables | Configure the Linux 2.4.x and later packet filtering ruleset |
| Shorewall | High-level tool for configuring Netfilter |
| gufw | Easy, intuitive, way to manage your Linux firewall |
| XDP-Firewall | Stateless firewall tool |
| Vuurmuur | Uncomplicated Firewall, manage a netfilter firewall |
| awall | Firewall configuration tool, providing various benefits over plain iptables |
| Foomuuri | Multizone bidirectional nftables firewall |
| bgpipe | BGP reverse proxy and firewall |
| FirewallFabrik | Graphical firewall policy management tool |
Read our verdict in the software roundup.
| Intrusion Prevention for SSH | |
|---|---|
| Fail2Ban | Intrusion prevention software framework written in Python |
| CrowdSec | Modern and collaborative behavior detection engine |
| SSHGuard | Protects hosts from brute-force attacks against SSH and other services |
| denyhosts | Helps thwart SSH server attacks |
| IPBan | Detects repeated failed logins |
| CSF | ConfigServer Security & Firewall |
| reaction | Daemon that scans program outputs for repeated patterns, and takes action |
| BFD | Log-based security tool that detects authentication failures |
Read our verdict in the software roundup.
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