Matt Visnovsky created GUACAMOLE-1430:
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Summary: RDP audio redirection causing connection to close
(Windows 10, Guacamole 1.3.0)
Key: GUACAMOLE-1430
URL: https://issues.apache.org/jira/browse/GUACAMOLE-1430
Project: Guacamole
Issue Type: Bug
Components: guacamole-server
Affects Versions: 1.3.0
Environment: Ubuntu 18.0.4 running guacamole-server v1.3.0 connecting
to Windows 10 on latest updates
Reporter: Matt Visnovsky
Remote microphone access with Windows RDP protocol is causing Guacamole
connections to drop/close as soon as the redirected-audio (microphone)
connection is accessed. I'm able to recreate the bug in all major browsers:
Firefox, Chrome, Edge and IE11. The bug does NOT occur with native Windows 10
RDP client, so I've been able to narrow down the bug to Guacamole.
/var/log/tomcat9 logs yield no useful information.
Here's the last few lines of "cat /var/log/syslog | grep -i "guacd" at the time
of the connection drop:
Sep 29 17:13:22 Guacamole guacd[20070]: RDPDR user logged on
Sep 29 17:13:48 Guacamole guacd[20070]: Accepted format: 16-bit PCM with 2
channels at 44100 Hz
Sep 29 17:13:48 Guacamole guacd[20070]: Accepted format: 16-bit PCM with 2
channels at 44100 Hz
Sep 29 17:13:58 Guacamole guacd[20070]: Connection closed.
Sep 29 17:13:58 Guacamole guacd[20070]: Internal RDP client disconnected
Sep 29 17:13:58 Guacamole guacd[20070]: User
"@4e06ba07-07f8-4bb4-bc90-b6680a938c2e" disconnected (0 users remain)
Sep 29 17:13:58 Guacamole guacd[20070]: Last user of connection
"$4ab6dbad-4c1c-4650-a903-68fbab3306ba" disconnected
Sep 29 17:13:58 Guacamole guacd[225]: Connection
"$4ab6dbad-4c1c-4650-a903-68fbab3306ba" removed.
Sep 29 17:13:58 Guacamole tomcat9[183]: 17:13:58.135 [http-nio-8080-exec-5]
DEBUG o.a.g.net.InetGuacamoleSocket - Closing socket to guacd.
Sep 29 17:14:01 Guacamole tomcat9[183]: 17:14:01.637 [http-nio-8080-exec-10]
DEBUG o.a.g.net.InetGuacamoleSocket - Connecting to guacd at localhost:4822.
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