Nufw is a firewall for Linux based on Netfilter that uses a connection tracking engine.
Best iptables Alternatives ranked by AI · updated May 2025
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iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall.
Price: Free
Top 5 iptables alternatives
ferm is a command-line tool to maintain complex firewalls. It allows specifying firewall rules using a simple configuration file and helps in...
UFW is a simplified firewall interface for Linux, especially common on Ubuntu servers and desktops. It provides readable commands for allowing services,...
Pros
- Much simpler to configure than Advanced Policy Firewall for common rules
- Built into Ubuntu and documented in its server tooling
- Readable command syntax reduces routine configuration errors
Cons
- Fewer advanced policy features than Advanced Policy Firewall
- Less suitable for complex multi-zone or dynamically changing policies
- Ubuntu-centric documentation and defaults may not transfer cleanly elsewhere
Firewalld is a dynamic firewall management tool that provides support for both IPv4 and IPv6 firewall rules. It offers a rich set...
Pros
- Rich feature set
- Dynamic rule updates
Cons
- Complex configuration
- Steep learning curve
UFW is a user-friendly command-line tool to manage firewalls on Ubuntu. It provides an uncomplicated way to configure firewall rules.
Pros
- User-friendly interface
- Easy to configure
Cons
- Limited advanced features
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