[asterisk-bugs] [JIRA] (ASTERISK-24132) Remote TLS server close connection. Dialstatus = CANCEL

[Olle Johansson (JIRA)]

Olle Johansson created ASTERISK-24132:
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             Summary: Remote TLS server close connection. Dialstatus = CANCEL
                 Key: ASTERISK-24132
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24132
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/TCP-TLS
    Affects Versions: 1.8.29.0
         Environment: Linux Centos 6, Microsoft Lync
            Reporter: Olle Johansson
            Severity: Minor


Call is set up, TLS connection opened. Microsoft Lync requires TLS client cert, Asterisk sends cert (automatically in OpenSSL I guess) and MS Lync doesn't approve. 
Lync close TCP connection, Asterisk sends SSL finish, then connection closes.
TLS read now generates a read error on the socket, the TCP thread shuts down and app_dial can't read a frame during call setup, the call fails with CANCEL as dialstatus.

I think it has to be CONGESTION. But can't figure out where to set that status in this chain of events. CANCEL is very wrong.



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