Client: <?xml version='1.0'?><stream:stream to='prooflink.org.ua' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>

Server: <stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='8720410202925240' from='prooflink.org.ua' version='1.0'><stream:features><mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'><mechanism>PLAIN</mechanism><required/></mechanisms></stream:features>

Client: <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="PLAIN">AG90aGVyX3Rlc3QAMTIz</auth>

Server: <success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/><?xml version='1.0'?><stream:stream from='prooflink.org.ua' id='8720410202925240' version='1.0' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'><stream:features><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><required/></bind></stream:features>