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https://issues.apache.org/jira/browse/GUACAMOLE-602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16561871#comment-16561871
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Nick Couchman commented on GUACAMOLE-602:
-----------------------------------------

{quote}
Copying text from remote system inserts the text to all connected clients’ 
local clipboard. Guacamole could check the request origin and forward the 
response to the respective session.
{quote}

I'm not sure how practical or applicable this is - I'll like [~mike.jumper] 
weigh in on that.  For one thing, the same is true of how updates to the local 
clipboard are handled with respect to any open remote clients, so is it really 
worth trying to lock clipboard updates from a remote system to a specific 
session?  Also, I think if you use other remote desktop clients (RDP, VNC, 
etc.), it is likely that the behavior is close to how Guacamole behaves - that 
is, if you've enable clipboard synchronization on these clients, the changes 
made by one client are visible to other ones running on the same host.  That's 
why it's called synchronization - the idea is that you have a single clipboard 
shared between the local system and any/all remote sessions.  In my mind, it is 
working as intended.

{quote}
Relevant to 
https://issues.apache.org/jira/projects/GUACAMOLE/issues/GUACAMOLE-559
{quote}

It certainly relates to that issue, yes, but it is much broader than that - 
that changes leverages the Async Clipboard API, but I believe your statement 
above would be true without that changes, as well.

> Only update clipboard for specific session
> ------------------------------------------
>
>                 Key: GUACAMOLE-602
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-602
>             Project: Guacamole
>          Issue Type: Improvement
>          Components: RDP, SSH, Telnet, Terminal, VNC
>         Environment: Guacamole 1.0.0 (master branch), VNC interface: 
> dorowu/ubuntu-desktop-lxde-vnc (docker image)
>            Reporter: Josef Krahujec
>            Priority: Minor
>
> Copying text from remote system inserts the text to all connected clients’ 
> local clipboard. Guacamole could check the request origin and forward the 
> response to the respective session.
> Relevant to 
> https://issues.apache.org/jira/projects/GUACAMOLE/issues/GUACAMOLE-559



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