Telnet Sentinel
Bridging the gap between ancient communication standards and modern software reliability.
The mission
Telnet is often dismissed as legacy, yet it remains the backbone of MUD gaming, industrial IoT, and high-end networking hardware.
Sentinel provides Active Integrity Verification for these critical systems.
Capabilities
Active Auditing
RFC 854 Compliance Probing
Adversarial Testing
Loop Detection & Malformed IAC Defence
MUD Extensions
MCCP2 (Zlib) & GMCP (JSON) Support
Audit output (raw)
{
"target": "mud.example.com:23",
"timestamp": "2026-05-10T14:30:00Z",
"results": [
{ "probe": "Handshake", "status": "pass" },
{ "probe": "MCCP2", "status": "pass", "ratio": "4.2x" },
{ "probe": "GMCP", "status": "fail", "error": "timeout" }
]
}