✓Port 95 🪦

Well-known

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Service

supdup

Protocol

NCP

Status

🪦 Obsolete — no longer in active use

Description

Display-oriented terminal protocol developed at MIT AI Lab (Mark Crispin, RFC 734, 1977). Analog to Telnet but for full-screen display terminals; used with ITS systems at MIT/Stanford SU-AI/SRI-KL.

RFC

RFC 734 — SUPDUP Protocol

Citations

IANA registry