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Shorewall

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Shorewall's own site

Plans

PlanBilled and limitsPrice
ShorewallGNU/Linux firewall and gateway configuration tool · GPL-licensedFree

As shorewall.org lists them, read 2 Oct 2026. The maker's own page has the final word.

Facts from Shorewall's own pages

Application rules
No · shorewall.org, 22 Sept 2026
Centralized administration
Shorewall can generate firewall scripts on an administrative system for Shorewall-lite installations on the firewalls it controls. · shorewall.org, 2 Oct 2026
Central management
Yes · shorewall.org, 22 Sept 2026
Connection alerts
Yes · shorewall.org, 22 Sept 2026
Deployment
It can be used on a dedicated firewall, a multifunction gateway, router or server, or a standalone GNU/Linux system. · shorewall.org, 2 Oct 2026
Firewall functions
Documented address and routing features include SNAT, port forwarding, one-to-one NAT, Proxy ARP, NETMAP and multiple internet links. · shorewall.org, 2 Oct 2026
Free plan
Yes · shorewall.org, 22 Sept 2026
How it works
It reads configuration files describing firewall and gateway requirements, then configures Netfilter and Linux networking using system utilities. · shorewall.org, 2 Oct 2026
Integrations
The feature page says a GUI is available through Webmin 1.060 and later. · shorewall.org, 2 Oct 2026
IPv6
The feature list includes IPv6 support, provided through the Shorewall6 package described on the download page. · shorewall.org, 2 Oct 2026
License and warranty
The site identifies Shorewall as GPL-licensed and says it is provided without warranty, including implied merchantability or fitness for a particular purpose. · shorewall.org, 2 Oct 2026
Not a daemon
After configuring Linux networking, Shorewall exits; it does not leave a Shorewall process running. · shorewall.org, 2 Oct 2026
Outbound control
advanced · shorewall.org, 22 Sept 2026
Supported platforms
linux,windows,macos · shorewall.org, 22 Sept 2026
Policy configuration
Configuration files allow customizable rules between network zones, with support for multiple interfaces per zone and multiple zones per interface. · shorewall.org, 2 Oct 2026
Purpose
Shorewall is a high-level tool for configuring Netfilter firewalls on GNU/Linux systems. · shorewall.org, 2 Oct 2026
Rule direction
both · shorewall.org, 22 Sept 2026
Security and file integrity
The download page says packages are GPG-signed and checksummed and instructs users to verify them with the public key. · shorewall.org, 2 Oct 2026
Support
The support guide directs users to documentation and mailing lists, requires subscription before posting, and also lists an IRC channel for quick questions. · shorewall.org, 2 Oct 2026
Virtualization
The feature page lists KVM, Xen, Linux-Vserver, OpenVZ, VirtualBox, LXC and Docker support. · shorewall.org, 2 Oct 2026
VPN and traffic
The feature list includes IPsec, GRE, IPIP and OpenVPN tunnels, PPTP clients and servers, and traffic control and shaping. · shorewall.org, 2 Oct 2026
Who it is for
The introduction says Shorewall is flexible and powerful but not the easiest option, and recommends simpler alternatives for users seeking a point-and-click firewall with minimal networking knowledge. · shorewall.org, 2 Oct 2026

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