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From: Andrey Voropaev <voropaev.andrey@gmail.com>
To: cygwin@cygwin.com
Subject: Re: Xwin has stopped working
Date: Mon, 14 Dec 2020 17:50:09 +0100	[thread overview]
Message-ID: <CAFOXTdeKR4a-uYO1mQfnh1M4r--wDbBMo_DxFcfDdJe75SXw6Q@mail.gmail.com> (raw)
In-Reply-To: <e5ed1790-bcf5-6048-f8ee-5d9ae41fa576@cornell.edu>

On Mon, Dec 14, 2020 at 3:03 PM Ken Brown via Cygwin <cygwin@cygwin.com> wrote:
> On 12/13/2020 3:10 AM, Andrey Voropaev via Cygwin wrote:
> > On Sat, Dec 12, 2020 at 5:56 PM Ken Brown via Cygwin <cygwin@cygwin.com> wrote:
> >> On 12/12/2020 11:19 AM, Andrey Voropaev via Cygwin wrote:
> >>> On Sat, Dec 12, 2020 at 11:57 AM Marco Atzeri via Cygwin
> >>>> On 10.12.2020 14:17, Andrey Voropaev via Cygwin wrote:
> >>>>> I was using startxwin to run Xorg in multiwindow mode. Untill today it
> >>>>> worked perfectly. Now my Windows 10 got some updates and Xorg stopped
> >>>>> working. I see only following messages at the end of startup:
> >>
> >> Your cygcheck output contains the following:
> >>
> >> Potential app conflicts:
> >>
> >> ZoneAlarm Personal Firewall
> >> Detected: HKLM Registry Key.
> >>
> >> Can you try disabling ZoneAlarm and see if that helps?
> >
> > Not really, this is company-laptop, so I don't have Admin-password.
> > Well, I guess our company has made everything possible to render
> > laptops useless.
> >
> > Any way to work around it?
>
> Not that I know of.  But we don't even know yet that ZoneAlarm is the issue.
> Could you get your admin to temporarily disable it for testing, or perhaps to
> exclude the Cygwin directory?

Last time I've tried to clear up a problem, I was asked: why I am
using non-standard software :)

Basically, it does look like some firewall does not allow connection
to X-server, it takes about
a minute before the error is reported. If the listener was not there,
then the error would be immediately
clear. In this case the SYN is sent, dropped by firewall and the
client waits for answer and tries again.

Now, is it possible to tell X-server to use some port on localhost
only? Hopefully firewall does not care
about connections to localhost, and if it does, then I can bug admins
about useless restrictions that
prevent important communication on my host.

Best regards
Andrey

  reply	other threads:[~2020-12-14 16:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-10 13:17 Andrey Voropaev
2020-12-12 10:55 ` Marco Atzeri
2020-12-12 16:19   ` Andrey Voropaev
2020-12-12 16:54     ` Ken Brown
2020-12-13  8:10       ` Andrey Voropaev
2020-12-14 13:59         ` Ken Brown
2020-12-14 16:50           ` Andrey Voropaev [this message]
2020-12-12 21:07   ` briand

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