Topic "X11 not usable while having a winscp session using a tunnel"

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rainbumped
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Joined: 2016-10-20
Posts: 2
Hi,
first of all, thanks for winscp! Great product!

Now to my question:
When I'm connected to a host via putty and open a winscp session over a tunnel, I cannot use X11 any more
Quote:
xterm Xt error: Can't open display: localhost:63.0


Once I close the winscp session, I can use X11 again. X11 tools started before the winscp-session are still usable - only the start of new x11-programs is affected.
Sometimes it helps to set the port to a fixed value instead of auto-mode but it's not a guarantee.

Not only that one SSH-Connection is affected by this problem but all (opened different putty sessions to different hosts) connections cannot start x11-progams as long as the winscp session is connected.

It does not matter which X11-Server is running (tried cygwin, vcxsrv, reflection-x).

It also seems to only affect X-Servers started for Display 0 (:0) ...starting an X-Server for :1 and setting up an ssh-session with display-location "localhost:1.0" lets me start x-programs on that server while the other session for :0 shows the problem (which goes away once the winscp-session terminates).

Any ideas?

KR
Thomas
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martin◆
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Site Admin
Joined: 2002-12-10
Posts: 26705
Location: Prague, Czechia
How do you connect "over a tunnel"?
Do you create the tunnel in PuTTY? Or do you use the built-in WinSCP tunneling functionality?
Guest




martin wrote:
How do you connect "over a tunnel"?
Do you create the tunnel in PuTTY? Or do you use the built-in WinSCP tunneling functionality?


I use the built-in winscp tunnel. I only tunnel X11 via putty. Putty is started independently from winscp.
rainbumped
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Joined: 2016-10-20
Posts: 2
Anonymous wrote:
martin wrote:
How do you connect "over a tunnel"?
Do you create the tunnel in PuTTY? Or do you use the built-in WinSCP tunneling functionality?


I use the built-in winscp tunnel. I only tunnel X11 via putty. Putty is started independently from winscp.


that was my answer. somehow posted only as guest... Question
martin◆
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Site Admin
Joined: 2002-12-10
Posts: 26705
Location: Prague, Czechia
Thanks. I'll look into it. But actually I have no experience with X11.
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