Ancillary or client protocol

Portal MIP

Portal Messaging Information Protocol v9.0

Historical Not in common current use Legacy

A Portal-client UI messaging protocol with identification, security-code, length, command, and data fields.

Protocol overview

First seen
Date not established
Present-day status
Historical
In use today?
No common current use was verified.
Legacy?
Yes. It may still matter for compatibility or historical systems.
Layer
Ancillary or client protocol
Transport
In-band length-coded lines beginning with #K%
Research validated

Current use and fit

A legacy compatibility format for servers that explicitly targeted Portal for Windows.

Implementation essentials

  • Validate line boundaries, declared lengths, and command fields.
  • Only enable after the expected client identification exchange.

Compatibility and safety notes

  • The security code is not a replacement for transport security.
  • No broad contemporary client ecosystem exists.

Original specifications and sources

Where an original site has disappeared, a preservation archive is linked and identified as such. MUDVerse does not claim authorship of the original protocol.