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Fort Firewall

Free plan Windows

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Fort Firewall's own site

Plans

PlanBilled and limitsPrice
Fort FirewallWindows 7 and later · GPL-3.0 licensedFree

As github.com lists them, read 11 Oct 2026. The maker's own page has the final word.

Facts from Fort Firewall's own pages

Application rules
Yes · github.com, 22 Sept 2026
Bandwidth
Fort supports per-program download and upload speed limits. · github.com, 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, 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, 11 Oct 2026
Connection alerts
Yes · github.com, 22 Sept 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, 11 Oct 2026
Driver
Fort uses its own Windows Filtering Platform driver and does not configure Windows Defender Firewall. · github.com, 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, 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, 11 Oct 2026
License
The public repository identifies Fort Firewall as licensed under GPL-3.0. · github.com, 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, 11 Oct 2026
Network filtering
It can filter connections by address, port, protocol, direction, network area and network profile. · github.com, 11 Oct 2026
Other requirements
Installation requires the matching Microsoft Visual C++ Redistributable, and installing the driver requires administrator rights. · github.com, 11 Oct 2026
Outbound control
advanced · github.com, 22 Sept 2026
Supported platforms
Windows · github.com, 22 Sept 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, 11 Oct 2026
Purpose
Fort Firewall is a firewall for Windows 7 and later that allows or blocks network access per program. · github.com, 11 Oct 2026
Rule direction
both · github.com, 22 Sept 2026
Rules
Network rules can be configured per program or globally using addresses, ports, protocols and other criteria. · github.com, 11 Oct 2026
Security controls
Optional password protection covers configuration and monitoring windows, alerts and most command-line commands. · github.com, 11 Oct 2026
Self-protection
Options include blocking traffic while Fort is not running, silently dropping inbound packets Windows would reject, and disabling service controls. · github.com, 11 Oct 2026
Standalone driver
Fort uses its own Windows Filtering Platform driver and does not configure Windows Defender Firewall. · github.com, 11 Oct 2026
Support
The project directs users to report bugs and discuss ideas through its GitHub repository. · github.com, 11 Oct 2026
Traffic controls
Fort supports per-program download and upload speed limits, program groups and scheduled time periods. · github.com, 11 Oct 2026

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