# Table of contents:

# Introduction

INF is a command introduced with MSNP2.

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

It specifies which authentication methods the client is allowed to use.

This command can only be sent once. Any further uses of this command in the same session is Undefined Behavour.

# Client/Request

INF TrID

# Server/Response

INF TrID security-package {security-package ...}

Where (unlikely multiple) security-package parameters being the avaliable authentication methods your client is allowed to use.

# Examples

# Two types supported

This configuration is only supported in MSNP2. 

C: INF 1
S: INF 1 MD5 CTP

# One type supported 

C: INF 2
S: INF 2 MD5

# Command removed

Since MSNP8. 

C: INF 3

Server disconnects client.

# Known changes