Show HN: Fail2zig. A single-binary fail2ban replacement written in Zig

Category: security

Tags: security, intrusion-prevention, zig, fail2ban-alternative, daemon

Score: 6.5/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 5)

fail2zig is a single-binary intrusion prevention daemon written in Zig, designed as a drop-in alternative to fail2ban with bounded memory usage, comptime-generated parsers, and native nftables enforcement. It offers fail2ban config import and a zero-copy hot path, making it a secure and resource-efficient option for Linux server hardening.

Target audience: devops, system administrators, security engineers

Repository: https://fail2zig.com/ · Zig · AGPL-3.0 · 3 stars

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