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Extensible Messaging and Presence Protocol is a communications protocol for message-oriented middleware based on XML.

6 votes

What security layers of protection are available over XMPP?

The core XMPP specification defines how it integrates with TLS for transport security, and SASL for authentication. …
Tom Leek's user avatar
  • 174k
3 votes

SSL/TLS in Jabber

Integration of XMPP (the protocol) with SSL/TLS is described in section 5 of RFC 3920. …
Tom Leek's user avatar
  • 174k
5 votes
Accepted

xmpp ssl cipher negotiation

There is no method in XMPP to advertise specific TLS cipher suite support before the TLS handshake. … A consequence is that machines who use XMPP to talk to each other cannot know whether they will be able to find a TLS cipher suite that they both support before actually committing to TLS usage. …
Tom Leek's user avatar
  • 174k