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Fort Firewall

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Fort Firewall

Free

Windows 7 and later · GPL-3.0 licensed

Every plan, in full

On the record

Application rules
Yesgithub.com · read 22 Sep 2026
Bandwidth
Fort supports per-program download and upload speed limits.github.com · read 11 Oct 2026
Capacity limits
The guide lists maximums of 32 groups, 32 speed limits, 32 zones, 64 time periods and 1,024 total rules.github.com · read 11 Oct 2026
Compatibility limit
The guide says Windows Memory integrity (HVCI) must be off to install Fort on Windows 10 and later.github.com · read 11 Oct 2026
Connection alerts
Yesgithub.com · read 22 Sep 2026
Default behavior
Fort starts in Auto-Learn mode, which allows new programs; the FAQ advises switching to Block, if not allowed, to block unapproved programs.github.com · read 11 Oct 2026
Driver
Fort uses its own Windows Filtering Platform driver and does not configure Windows Defender Firewall.github.com · read 11 Oct 2026
Filter modes
Its filter modes include Auto-Learn, Block if not allowed, Allow if not blocked and Ignore; Ask to Connect is listed as unavailable in this version.github.com · read 11 Oct 2026
Integration
The installer can add Windows Explorer integration, and My Fort lists Control Panel Sounds integration and auto-run settings.github.com · read 11 Oct 2026
License
The public repository identifies Fort Firewall as licensed under GPL-3.0.github.com · read 11 Oct 2026
Monitoring
The software provides traffic statistics, a connection log with block reasons, a live traffic graph and a filter simulator.github.com · read 11 Oct 2026
Network filtering
It can filter connections by address, port, protocol, direction, network area and network profile.github.com · read 11 Oct 2026
Other requirements
Installation requires the matching Microsoft Visual C++ Redistributable, and installing the driver requires administrator rights.github.com · read 11 Oct 2026
Outbound control
advancedgithub.com · read 22 Sep 2026
Program controls
Programs can be allowed, blocked or stopped from starting, with wildcard paths, parent process rule inheritance and per-service filtering for svchost.exe.github.com · read 11 Oct 2026
Purpose
Fort Firewall is a firewall for Windows 7 and later that allows or blocks network access per program.github.com · read 11 Oct 2026
Rule direction
bothgithub.com · read 22 Sep 2026
Rules
Network rules can be configured per program or globally using addresses, ports, protocols and other criteria.github.com · read 11 Oct 2026

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