Massimiliano,
In the past when I've had these sorts of issues the problem has turned
out to be either with the external user's ISP, or something internal to
their location. In the latter case this has included the user's children
re-configuring the home network, or in some other way interfering with
the Guacamole traffic.
Although it may have happened directly after your upgrade the scenario
you've given suggests it's not likely to be your installation, given you
have ~48 other users that have no issues. However here's some
suggestions for troubleshooting:
(1) Do the users always connect to the same workstation? If so, could
you have them connect to a different workstation (that others connect to
with no problem), just to see if it made any difference? From what
you've said I wouldn't expect it to, however it could be a worthwhile check.
(2) Is there anything different about these two users' machines/browsers
compared to those users that have no issue?
(3) That's quite an upgrade, did you do anything else on your system and
do you have a proxy involved? What do your logs say for the problem users?
On 27/09/24 02:28, Massimiliano Ballerini wrote:
Hello,
we recently updated our guacamole server from version 0.9 to 1.5.5 and
we are having an issue with some few users.
Our architecture permits users at home to connect to their PC in the
office with RDP. So the diagram is something like this:
user --> home ISP --> work ISP --> firewall --> guacamole server --> PC
2 of around 50 users seems to experience frequent disconnections web-
side: the browser lose connection during the RDP session and then
"reloads" the page, reconnecting to the PC, but then the RDP greetings/
disclaimer page pops up and the user has to click ok and wait for
Windows reconnection. After that the user is connected again for a brief
period.
Our helpdesk technicians could not reproduce the problem since they
connected to the same PCs and did not experience any disconnection. We
managed then to reproduce a similar problem generating a lot of traffic
on the connection used to reach the guacamole server.
We think the home Internet connection of these 2 users is slow or low
quality, and that is what is causing the malfunction, but that wasn't
happening with the previous version of guacamole.
I searched online for a solution or even a timeout parameter i could
increase to help these 2 users, but I'm finding only people having
problems with connection:
guacamole guacd server <--> PC with RDP
and not
USER <--> guacamole web server (the one with tomcat to be clear).
I'm having problem with the latter. Has any of you experienced something
similar?
Regards,
Massimiliano
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