MSN Messenger Protocol

Glossary

This page serves as an index of terms used throughout the website that have been defined in other sections. The links direct you to where each term is defined.

Many of the terms on this site were defined in RFC 2778. You should look there for definitions of those terms.

A-M

AL

Allow List

BL

Block List

Challenge

Server Initiated Ping

DS

Dispatch Server

FL

Forward List

Group ID

Number identifying a particular contact list group

Version Number

Number identifying the current version of personal details

MD5

A message digest algorithm

Message

The MSG command

N-Z

Newline

Used to end commands and fields

NS

Notification Server

Official Client

Microsoft's MSN/.NET client

Payload Command

Multi-Line Command

Parameter

Additional information included in a command

Ping

Client Initiated Ping

RL

Reverse List

\r\n

Newline

Presence

Present information about a principal, such as their on-line state

SB

SwitchBoard

TrID

Transaction ID