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SkyGuard

Security · 2026

What it does

SkyGuard runs as a single Go binary in front of a server. It keeps honeypot listeners for SSH, FTP, MySQL and HTTP, scores suspicious traffic, and bans repeat offenders through iptables or ufw. Everything it sees is stored in SQLite and shown on a small dashboard. It is the layer we put on servers we manage.

Built with

  • Go
Source on GitHub

SkyGuard · bans

SourceServiceScoreAction
203.0.113.14SSH86ufw
198.51.100.40MySQL71iptables
192.0.2.77FTP64ufw

Sample data, drawn from how the tool behaves. Not a customer’s system.