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From Julien Gormotte <jgormo...@ate.info>
Subject Re: Multiple guacamole sessions
Date Fri, 30 Nov 2018 13:47:08 GMT
Hello,

Le Wed, 28 Nov 2018 09:43:15 -0800,
Mike Jumper <mjumper@apache.org> a écrit :

> I recommend checking the Tomcat logs to verify that something on the
> network (a proxy perhaps?) is not causing WebSocket to fail and force
> Guacamole to fall back to HTTP.

Doing a docker logs -f guac I get :
13:37:20.529 [http-nio-8080-exec-3] INFO  o.a.g.r.auth.AuthenticationService - User "2411c3c1-4458-4e1a-8984-f68d0972f4ef"
successfully authenticated from 172.17.0.1.
[...] (get of js scripts)
13:37:21.593 [http-nio-8080-exec-7] INFO  o.a.g.environment.LocalEnvironment - GUACAMOLE_HOME
is "/root/.guacamole".
13:37:21.641 [http-nio-8080-exec-7] INFO  o.a.g.tunnel.TunnelRequestService - User "2411c3c1-4458-4e1a-8984-f68d0972f4ef"
connected to connection "05mc0prnoeuyr07nczbov8g7xmnq0ngf".

Opening a new connection :
13:40:16.515 [http-nio-8080-exec-1] INFO  o.a.g.r.auth.AuthenticationService - User "7ec4a276-2171-4c75-be73-2e996fb30df4"
successfully authenticated from 172.17.0.1.
13:40:17.784 [http-nio-8080-exec-8] INFO  o.a.g.tunnel.TunnelRequestService - User "2411c3c1-4458-4e1a-8984-f68d0972f4ef"
disconnected from connection "05mc0prnoeuyr07nczbov8g7xmnq0ngf". Duration: 176143 milliseconds
13:40:17.785 [Thread-44] INFO  o.a.g.tunnel.TunnelRequestService - User "2411c3c1-4458-4e1a-8984-f68d0972f4ef"
disconnected from connection "05mc0prnoeuyr07nczbov8g7xmnq0ngf". Duration: 176144 milliseconds
13:40:18.157 [http-nio-8080-exec-5] INFO  o.a.g.environment.LocalEnvironment - GUACAMOLE_HOME
is "/root/.guacamole".
13:40:18.205 [http-nio-8080-exec-5] INFO  o.a.g.tunnel.TunnelRequestService - User "7ec4a276-2171-4c75-be73-2e996fb30df4"
connected to connection "f4vu8mselhc1l4ne32txba3io38uzd3x".

So my first user gets disconnected immediately before the new connection.

In guacd :

First connection :
    guacd[1]: INFO:	Creating new client for protocol "rdp"
    guacd[1]: INFO:	Connection ID is "$79e22128-46bd-4d9d-bd51-79c8e8d28b3f"
    guacd[1169]: INFO:	Security mode: NLA
    guacd[1169]: INFO:	Resize method: none
    guacd[1169]: INFO:	User "@fc29390b-19b1-459c-bb26-851b9b2fc47d" joined connection "$79e22128-46bd-4d9d-bd51-79c8e8d28b3f"
(1 users now present)
    guacd[1169]: INFO:	Loading keymap "base"
    guacd[1169]: INFO:	Loading keymap "en-us-qwerty"
    guacd[1169]: INFO:	guacdr connected.
    guacd[1169]: INFO:	guacsnd connected.
    guacd[1169]: INFO:	Connected to RDPDR 1.12 as client 0x0001
    guacd[1169]: INFO:	Ignoring server capability set type=0x0001, length=44
    guacd[1169]: INFO:	Ignoring server capability set type=0x0002, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0003, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0004, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0005, length=8
    guacd[1169]: INFO:	Sending capabilities...
    guacd[1169]: INFO:	Capabilities sent.
    guacd[1169]: INFO:	Client ID confirmed
    guacd[1169]: INFO:	Connected to RDPDR 1.12 as client 0x0002
    guacd[1169]: INFO:	Ignoring server capability set type=0x0001, length=44
    guacd[1169]: INFO:	Ignoring server capability set type=0x0002, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0003, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0004, length=8
    guacd[1169]: INFO:	Ignoring server capability set type=0x0005, length=8
    guacd[1169]: INFO:	Sending capabilities...
    guacd[1169]: INFO:	Capabilities sent.
    guacd[1169]: INFO:	Client ID confirmed
    guacd[1169]: INFO:	User logged on
    guacd[1169]: INFO:	Sending filesystem
    guacd[1169]: INFO:	Registered device 0 (Guacamole Filesystem)
    guacd[1169]: INFO:	All supported devices sent.
    guacd[1169]: INFO:	Device 0 (Guacamole Filesystem) connected successfully

Opening a new one :
    guacd[1]: INFO:	Creating new client for protocol "rdp"
    guacd[1]: INFO:	Connection ID is "$08f2c1ce-abc9-4eb4-8c58-021c3a522647"
    guacd[1179]: INFO:	Security mode: NLA
    guacd[1179]: INFO:	Resize method: none
    guacd[1179]: INFO:	User "@797f9a10-236d-4123-b979-bbec1ff8d5d6" joined connection "$08f2c1ce-abc9-4eb4-8c58-021c3a522647"
(1 users now present)
    guacd[1179]: INFO:	Loading keymap "base"
    guacd[1179]: INFO:	Loading keymap "en-us-qwerty"
    guacd[1179]: INFO:	guacdr connected.
    guacd[1179]: INFO:	guacsnd connected.
    guacd[1179]: INFO:	Connected to RDPDR 1.12 as client 0x0001
    guacd[1179]: INFO:	Ignoring server capability set type=0x0001, length=44
    guacd[1179]: INFO:	Ignoring server capability set type=0x0002, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0003, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0004, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0005, length=8
    guacd[1179]: INFO:	Sending capabilities...
    guacd[1179]: INFO:	Capabilities sent.
    guacd[1179]: INFO:	Client ID confirmed
    guacd[1179]: INFO:	Connected to RDPDR 1.12 as client 0x0003
    guacd[1179]: INFO:	Ignoring server capability set type=0x0001, length=44
    guacd[1179]: INFO:	Ignoring server capability set type=0x0002, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0003, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0004, length=8
    guacd[1179]: INFO:	Ignoring server capability set type=0x0005, length=8
    guacd[1179]: INFO:	Sending capabilities...
    guacd[1179]: INFO:	Capabilities sent.
    guacd[1179]: INFO:	Client ID confirmed
    guacd[1179]: INFO:	User logged on
    guacd[1179]: INFO:	Sending filesystem
    guacd[1179]: INFO:	Registered device 0 (Guacamole Filesystem)
    guacd[1179]: INFO:	All supported devices sent.
    guacd[1179]: INFO:	Device 0 (Guacamole Filesystem) connected successfully

And after a few seconds (a much longer time than in guac) :
    guacd[1169]: ERROR:	User is not responding.
    guacd[1169]: INFO:	User "@fc29390b-19b1-459c-bb26-851b9b2fc47d" disconnected (0 users
remain)
    guacd[1169]: INFO:	Last user of connection "$79e22128-46bd-4d9d-bd51-79c8e8d28b3f" disconnected
    guacd[1169]: INFO:	Unloading device 0 (Guacamole Filesystem)
    guacd[1169]: INFO:	Internal RDP client disconnected

But this "ERROR: User is not responding." is the same message I get when I close a tab.

Apparently, no HTTP tunnel ?

> 
> If you are connecting to machines via RDP, you will also need to
> contend with RDP's limitations on session use. Windows will
> automatically kick an older session if the new session is for the
> same user.

Of course, I use different servers to test the connection.

> 
> - Mike


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