Protocols/MSNP/URLs used by MSN

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MSNP Protocol
Error ListCommandsRelying Party SuiteSpotlife
XMPPHTTP GatewayTabsActivities
Development ToolsMSNP Grid
PolygamyURLs used by MSN
Protocol Versions
Version 21
Version 18
Version 16
Version 15
Version 14
Version 13
Version 12
Version 11
Version 9
Version 8
IntroductionP2PObject DescriptorDisplay PicturesFile Transfer
Microsoft Messenger for Mac

These are some of the URLs used by MSN, including the final URLs used in their own shortener domain.


  • MSNP connection; all versions
  • MSNP connection; some betas, including 5.0.0327?
  • HTTP proxy for around the MSNP connection; all versions
  • Provides login url; MSN 5 - 7.0
  • MsgrConfig file that specifies tabs, ads, etc; MSN 6+
  •, IDCRL login; MSN 7.5+
  • SOAP contacts; WLM 8

Non-essential/additional services

  •, Offline messaging servers, send and receive respectively
  • HTTP(S) authentication to Windows Live ID and acquiring of x509 certificates for secure peer-to-peer (p2p) connections for the Sharing Folders feature
  • * Online storage of user tile, status message, display name, and Windows Live Space storage? WLM 8.0+?
  • What's New service; WLM 2009+
  • Software Quality Management; telemetry/log submission
  • URL shortener for various Microsoft/MSN/Live services and downloads
  • "To set an anonymous unique ID for a user to personalize the Windows Live experience"
  • "To access the latest Certificate Revocation List (CRL) in order to check the validity of a certificate"
  • * "Various core Messenger operations. For example, echo servers that are used to establish direct connectivity between two messenger clients for peer-to-peer (p2p) communication when clients are behind firewalls"
  • "Media relay used to transfer binary data (files, voice, or video)"
  • "To download advertising content display in the client and to download ad-sponsored personal expression content, such as display pictures, and emoticons"
  • "Used by Messenger activities/games applications that run inside Messenger applications"
  • "For messenger image files"
  • "For the contact card"
  • "Media relay used for voice" URLs