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https://issues.apache.org/jira/browse/GUACAMOLE-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17428103#comment-17428103
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Noor ul Haq commented on GUACAMOLE-1444:
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I think you are understanding it a little differently. Here what this feature
does is.
You're using it as normally as you normally do. Like in a forward direction.
Right. The VNC client in this case is guacd or you. Now in the background the
guacd keeps on listening from server VNC to know it is connected even when you
are not doing anything. Like a small ping every few seconds. Now let's move to
your case.
Network error GUAC is no longer able to access the server. Then the network
gets back up like say 10 mins after. But even at that time your server has kept
the session alive which the guac is able to connect.
Now what I am suggesting is when the network gets disconnected like the
client(user) is no longer able to connect to the server. Most server after a
fix amount of time say 10 mins or 5 mins delete the session. So even if
afterwards client guac connects to the server it will make a new session
instance to connect to the server. If we make the guac delete the session and
start a new instance all together even with minor network errors or in some
servers which don't delete the sessions like in your case the server will be
overwhelmed with just one user on multiple instances.
> After VNC network is interrupted, please disconnect
> ---------------------------------------------------
>
> Key: GUACAMOLE-1444
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1444
> Project: Guacamole
> Issue Type: Bug
> Components: VNC
> Affects Versions: 1.3.0
> Reporter: 李振海
> Priority: Major
> Attachments: image-2021-10-13-16-55-54-894.png
>
>
> After VNC is connected normally, if the network cable is unplugged and the
> network is interrupted, guacd will not close the connection and will always
> be connected，Consider adding timeout check
>
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