Arno's IPTABLES Firewall
The facts below are what the maker publishes about Arno's IPTABLES Firewall, checked and dated. Our editors have not written about it yet.
Plans and prices
From Arno's IPTABLES Firewall's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Arno's IPTABLES Firewall | Free | GPLv2 software · no warranty stated |
The facts
Each one read from Arno's IPTABLES Firewall's own pages, with the date it was checked.
Where it runs
- Application rules
- Nochecked 23 Sep 2026
- Supported platforms
- Linuxchecked 23 Sep 2026
What it does
- Central management
- Nochecked 23 Sep 2026
- Dependencies
- The README lists iptables, iproute, and a POSIX-compliant /bin/sh among the requirements.checked 8 Oct 2026
- Installation
- The project includes an install script and describes deployment on a Linux system.checked 8 Oct 2026
- IPv6
- It supports mixed IPv4 and IPv6 operation, enabled with IPV6_SUPPORT=1 in the configuration.checked 8 Oct 2026
- License and warranty
- The project identifies itself as GPL version 2 software and says it is provided without warranty.checked 8 Oct 2026
- Logging
- The package includes arno-fwfilter, a pipe filter script for making firewall logs more readable.checked 8 Oct 2026
- Multi-routing
- It supports multi-routing or load balancing, optionally with NAT, and the README says this requires static external IP addresses.checked 8 Oct 2026
- NAT
- It supports NAT masquerading and configurable TCP port forwarding.checked 8 Oct 2026
- Outbound control
- advancedchecked 23 Sep 2026
- Plugins
- The firewall supports plugins for added functionality, and plugin configuration is disabled by default until ENABLED=1 is set.checked 8 Oct 2026
- Purpose
- AIF is a single- and multi-homed firewall script with DSL/ADSL support.checked 8 Oct 2026
- Rule direction
- bothchecked 23 Sep 2026
- Security defaults
- The README says various security features are enabled by default to protect against hostile attacks.checked 8 Oct 2026
- Security guidance
- The author warns that changing expert security settings without understanding them can significantly affect machine security.checked 8 Oct 2026
- Support
- The author says they do not provide end-user support by email and directs bug reports to GitHub and other questions to community sites or the FAQ.checked 8 Oct 2026
- Traffic filtering
- The firewall blocks all incoming traffic by default, and users configure allowed ports in its settings.checked 8 Oct 2026
Money
- Free plan
- Yeschecked 23 Sep 2026
Alternatives to Arno's IPTABLES Firewall
- 1

OPNsense
Free planOpen sourceAndroidiOSWebAPI9.4Free plan - 2

CrowdSec
Free planOpen sourceiOSWebAPIExtension9.0From $49 a month - 3

IPFire
Free planOpen sourceWebAPILinuxSelf-hosted8.7From $1,099 a year ($91.58 a month) - 4

Comodo Internet Security
AndroidiOSExtensionWindows8.5 - 5
GlassWire
Free planAndroidWebWindows8.4From $2.99 a month - 6

NethSecurity
Free planOpen sourceWebAPILinuxSelf-hosted8.4From €150 a year (€12.50 a month)
