msnp-wiki/docs/commands/blp.md

Introduction

BLP is a command introduced with MSNP2.

It is a Notification Server command, without either a request or response payload.

It modifies if messages sent to you by users not on your Allow List (AL) are allowed to be received.

Client/Request

BLP TrID [ AL | BL ]

Server/Response

BLP TrID listVersion [ AL | BL ]

Where listVersion is the new List Version.

Examples

Setting to AL (Allow messages by default)

C: BLP 1 AL
S: BLP 1 255 AL

Setting to BL (Block messages by default)

C: BLP 2 BL
S: BLP 2 256 BL

Invalid argument

NOTE: This is an assumption. The actual error code here is unknown. It may also lead to an Instant Disconnection.

C: BLP 3 CL
S: 201

Known changes

• MSNP10 and higher: List Versions are dropped in ABCHMigrated: 1 mode.
• Removed in MSNP13. You get instantly disconnected if you try using the command.