Not ideal but, if compatible with your network config, try forcing the
connection to tls in the guac connection properties, looking at log it
is the security type negotiation that is failing
Horváth Csaba wrote:
Hi,
At least not only Gnome Shell related problem.
I tried to log in to a Win10 VM which i created for testing. Remmina
works, but i get the same issue with Guacamole in the logs.
I used the ad-hoc connection string :
rdp://myuser@192.168.1.146/?security=rdp&ignore-cert=true
Guessing that Guacamole ignores the ignore-cert option?
2024-01-24T18:41:40.780347+01:00 homeserver guacd[257623]: Creating
new client for protocol "rdp"
2024-01-24T18:41:40.781719+01:00 homeserver guacd[257623]: Connection
ID is "$e73fa88a-7707-4f18-8209-3ee766f87d82"
2024-01-24T18:41:40.924834+01:00 homeserver guacd[2987651]: No
security mode specified. Defaulting to security mode negotiation with
server.
2024-01-24T18:41:40.925192+01:00 homeserver guacd[2987651]: Resize method: none
2024-01-24T18:41:40.926115+01:00 homeserver guacd[2987651]: User
"@f13bfc35-7c25-4268-850f-c504a54d1676" joined connection
"$e73fa88a-7707-4f18-8209-3ee766f87d82" (1 users now present)
2024-01-24T18:41:40.935773+01:00 homeserver guacd[2987651]: Loading
keymap "base"
2024-01-24T18:41:40.936026+01:00 homeserver guacd[2987651]: Loading
keymap "en-us-qwerty"
2024-01-24T18:41:41.436923+01:00 homeserver guacd[2987651]:
Certificate validation failed
2024-01-24T18:41:41.440079+01:00 homeserver guacd[2987651]: RDP server
closed/refused connection: SSL/TLS connection failed
(untrusted/self-signed certificate?)
2024-01-24T18:41:41.446761+01:00 homeserver guacd[2987651]: User
"@f13bfc35-7c25-4268-850f-c504a54d1676" disconnected (0 users remain)
2024-01-24T18:41:41.447198+01:00 homeserver guacd[2987651]: Last user
of connection "$e73fa88a-7707-4f18-8209-3ee766f87d82" disconnected
2024-01-24T18:41:41.460660+01:00 homeserver guacd[257623]: Connection
"$e73fa88a-7707-4f18-8209-3ee766f87d82" removed.
2024-01-24T18:42:16.479436+01:00 homeserver guacd[257623]: Creating
new client for protocol "rdp"
2024-01-24T18:42:16.479757+01:00 homeserver guacd[257623]: Connection
ID is "$975ac828-47e4-4fba-8bb7-c92ad661c5ad"
2024-01-24T18:42:16.624905+01:00 homeserver guacd[2988305]: Security mode: RDP
2024-01-24T18:42:16.625256+01:00 homeserver guacd[2988305]: Resize method: none
2024-01-24T18:42:16.626253+01:00 homeserver guacd[2988305]: User
"@bac1a634-ab13-4618-9322-037912ea98c9" joined connection
"$975ac828-47e4-4fba-8bb7-c92ad661c5ad" (1 users now present)
2024-01-24T18:42:16.636862+01:00 homeserver guacd[2988305]: Loading
keymap "base"
2024-01-24T18:42:16.637155+01:00 homeserver guacd[2988305]: Loading
keymap "en-us-qwerty"
2024-01-24T18:42:17.031774+01:00 homeserver guacd[2988305]: RDP server
closed/refused connection: Server refused connection (wrong security
type?)
2024-01-24T18:42:17.053627+01:00 homeserver guacd[2988305]: User
"@bac1a634-ab13-4618-9322-037912ea98c9" disconnected (0 users remain)
2024-01-24T18:42:17.053968+01:00 homeserver guacd[2988305]: Last user
of connection "$975ac828-47e4-4fba-8bb7-c92ad661c5ad" disconnected
2024-01-24T18:42:17.068018+01:00 homeserver guacd[257623]: Connection
"$975ac828-47e4-4fba-8bb7-c92ad661c5ad" removed.
Cs.
Leslie Mann <lm...@linuxolutions.com> ezt írta (időpont: 2024. jan.
24., Sze, 0:32):
I've had success connecting with setting security mode to 'Any' and checking
the 'Ignore server certificate' box.
Note that the Gnome user has to be logged on in an active session on the Linux
box (I'm using Fedora) before connecting otherwise you get a 'the remote
desktop server has forcibly closed the connection'... I believe there are
changes coming that will allow a connection at any time but for now an RDP
connection requires the user to have an active session not locked.
Les
On Tue, 2024-01-23 at 23:33 +0100, Horváth Csaba wrote:
Hi,
Of course i tested the security options, and none succeeded.
In the meantime i checked with Windows RDP client, and it worked. Something
special needed for Guacamole, but what...? I suspect TLS certs, which is
provided by Gnome's RDP Server, but don't know how to use with Guacamole.
Cs.
Toine <guacamole.to...@placi.de> ezt írta (időpont: 2024. jan. 23., K 22:28):
Le 23/01/2024 à 21:38, Horváth Csaba - horvathcsabalas...@gmail.com a
écrit :
2024-01-23T21:30:20.148883+01:00 homeserver guacd[1689041]: RDP server
closed/refused connection: Server refused connection (wrong security
type?)
Have you tried playing with the security type, for instance with the
param "security" set to "rdp"?
https://guacamole.apache.org/doc/gug/configuring-guacamole.html#authentication-and-security
Toine
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