cyber-security-resources/linux-hardening/nftables_iptables_ufw_firewalld.md
2023-05-23 13:21:09 -04:00

3.7 KiB

iptables, nftables, UFW, and firewalld

The following is comparison table highlighting the features and characteristics of iptables, nftables, UFW (Uncomplicated Firewall), and firewalld:

Feature iptables nftables UFW firewalld
Framework Legacy framework Modern framework User-friendly wrapper for iptables Dynamic firewall management tool
Syntax Complex syntax Simplified syntax Simplified syntax XML-based configuration files
Rule Evaluation Top-down order Ordered by priority Top-down order Dynamic and transaction-based
Protocol Support IPv4 and IPv6 IPv4 and IPv6 IPv4 and IPv6 IPv4 and IPv6
Rule Matching Basic matching options Extended matching options Basic matching options Extended matching options
Performance Good Better performance than iptables Good Good
Network Address Translation (NAT) Yes Yes Yes Yes
Connection Tracking Yes Yes No Yes
Integration Compatible with nftables (with compatibility modules) Replaced iptables and ip6tables N/A Replaced iptables
User Interface Command-line interface (CLI) Command-line interface (CLI) Command-line interface (CLI) and graphical interface Command-line interface (CLI) and graphical interface
Firewall Zones N/A N/A N/A Yes
Easy Configuration Requires detailed rule configuration Simplified rule configuration Simplified rule configuration Simplified rule configuration
Default on Distro Most Linux distributions Some Linux distributions Ubuntu, Debian, and their derivatives CentOS, Fedora, RHEL, and their derivatives

This table provides a general overview of the features and characteristics of each firewall tool, and the specific details may vary based on the Linux distribution, version, and configuration.