[Pidgin] #4364: XMPP/GTalk Account Will Not Connect

[Pidgin]

#4364: XMPP/GTalk Account Will Not Connect
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  Reporter:  pellis       |       Owner:  seanegan      
      Type:  defect       |      Status:  new           
  Priority:  minor        |   Milestone:                
 Component:  Google Talk  |     Version:  2.3.1         
Resolution:               |    Keywords:  not connecting
   Pending:  1            |  
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Changes (by seanegan):

  * pending:  0 => 1

Comment:

 That all makes sense. Thanks for being so detailed.

 What you're seeing Google Talk do is make an HTTPS request to servers to
 get an auth token; then it disconnects and reconnects to the Google Talk
 servers using that token to authenticate. Pidgin does not support that
 authentication mechanism.

 When you connect to the Google Talk server, it tells you whether it
 supports SSL or not. Google Talk servers do support SSL, but your firewall
 edits that packet in order to turn it off.

 Under normal circumstances, Pidgin would go into SSL mode, at which point
 the server would ask for the password. But since Google doesn't want you
 to send your password in the clear, the connection fails if you don't go
 into SSL.

 Since the firewall is working at the DNS level, try changing Connect
 Server in Advanced settings to the IP address of talk.google.com
 (172.31.0.68 is what it resolves to for me right now). This may be able to
 bypass the issue.

 The next version of Pidgin will try to revert into an older authentication
 method if your situation occurs, but I'm not sure Google Talk supports it.

-- 
Ticket URL: <http://developer.pidgin.im/ticket/4364#comment:3>
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