Freedom251 › Minecraft Server Proxy Software
MinecraftFirewall

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| MinecraftFirewall | MIT licensed · Windows only · Minecraft Java servers | Free |
As github.com lists them, read 7 Oct 2026. The maker's own page has the final word.
Facts from MinecraftFirewall's own pages
- Account registration
- Optional CaYaDev Check provides password registration and login, with PBKDF2 password hashes and remembered trusted IP addresses. · github.com, 7 Oct 2026
- Compatibility limitation
- Vanilla servers cannot receive real player IPs through forwarding; the README says to leave forwarding off for vanilla servers. · github.com, 7 Oct 2026
- Defenses
- Its listed defenses include connection admission limits, bot scoring, packet inspection, crawler blocking, threat lists, decoy ports, and optional anomaly detection. · github.com, 7 Oct 2026
- Distribution
- The project offers a Windows setup executable and a plain ZIP through GitHub Releases, or users can build it with the .NET 10 SDK. · github.com, 7 Oct 2026
- Integrations
- Optional Discord webhook alerts cover bans, new trusted IPs, and failed premium checks; optional real time VPN intelligence can use ipinfo.io. · github.com, 7 Oct 2026
- License
- MinecraftFirewall is MIT licensed, and the repository says it is free to use, modify, and redistribute. · github.com, 7 Oct 2026
- Maker
- The GitHub profile identifies Çağan Turgut as founder of CaYaDev and lists Türkiye as the location. · github.com, 7 Oct 2026
- Offline mode identity
- It can bind a protected username to its Microsoft or Mojang account while the Minecraft server stays in offline mode. · github.com, 7 Oct 2026
- Purpose
- MinecraftFirewall is a Windows reverse proxy firewall for Minecraft Java servers, with VPN and proxy blocking, admin name impersonation protection, and multi server support. · github.com, 7 Oct 2026
- Security limitation
- The backend server must be unreachable directly for the firewall to protect it, and the project says its defenses do not make an offline mode server equivalent to Mojang online authentication. · github.com, 7 Oct 2026
- Security testing caveat
- The README says genuine Microsoft account premium login and actual Windows Firewall rule creation were not tested against the live systems in the project's build environment. · github.com, 7 Oct 2026
- Server plugin
- An optional small server plugin can prevent held players from taking damage and makes the login commands appear as real Minecraft commands. · github.com, 7 Oct 2026
- Supported versions
- Ordinary players can connect on every Minecraft version, while inspection tables cover versions 1.20.2 through the newest listed release; older clients cannot be held for a password. · github.com, 7 Oct 2026
Where MinecraftFirewall stands on Freedom251
- Minecraft Server Proxy Software#10 of 21