Tomás Esteban Losada created GUACAMOLE-1324:
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             Summary: Guacamole v1.3.0 RDP Sessions disconnects after seconds 
after upgrading from v1.2.0
                 Key: GUACAMOLE-1324
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1324
             Project: Guacamole
          Issue Type: Bug
          Components: RDP
    Affects Versions: 1.3.0
         Environment: Debian 10 Buster
            Reporter: Tomás Esteban Losada
         Attachments: image-2021-04-08-14-11-03-988.png

I have an on premise Guacamole Server which was running *version 1.2.0* in 
*Debian 10 buster* without any issue. However, after upgrading to version 
1.3.0, using *guacamole-server source code* and *guacamole-1.3.0.war* 
downloaded from official website, I cannot connect to any of my servers using 
RDP. 

Looking at */var/log/syslog*, I get the following:

~Apr 8 14:06:00 guacamole2 guacd[14125]: Creating new client for protocol "rdp"~
~Apr 8 14:06:00 guacamole2 guacd[14125]: Connection ID is 
"$05e76f93-eeac-44e6-a597-e2fed351dae9"~
~Apr 8 14:06:00 guacamole2 guacd[14399]: Security mode: NLA~
~Apr 8 14:06:00 guacamole2 guacd[14399]: Resize method: reconnect~
~Apr 8 14:06:00 guacamole2 guacd[14399]: User 
"@6d106a47-e2a6-4953-ba8c-d94377344afd" joined connection 
"$05e76f93-eeac-44e6-a597-e2fed351dae9" (1 users now present)~
~Apr 8 14:06:00 guacamole2 guacd[14399]: Loading keymap "base"~
~Apr 8 14:06:00 guacamole2 guacd[14399]: Loading keymap "es-es-qwerty"~
~Apr 8 14:06:01 guacamole2 guacd[14399]: Connected to RDPDR 1.12 as client 
0x0791~
~Apr 8 14:06:01 guacamole2 guacd[14125]: Connection 
"$05e76f93-eeac-44e6-a597-e2fed351dae9" removed.~

Looking at */var/lib/tomcat9/logs/catalina.out*, I get this:

~[2021-04-08 14:06:00] [info] 14:06:00.074 [http-nio-8080-exec-5] INFO 
o.a.g.tunnel.TunnelRequestService - User "tlosada" connected to connection "1".~
~[2021-04-08 14:06:02] [info] 14:06:02.165 [Thread-28] INFO 
o.a.g.tunnel.TunnelRequestService - User "tlosada" disconnected from connection 
"1". Duration: 2091 milliseconds~

No exceptions nor errors. This is what I get in my screen:

!image-2021-04-08-14-11-03-988.png!

FreeRDP version is the following: *freerdp2-dev is already the newest version 
(2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2).*



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