Date: Thu, 10 May 2018 19:27:23 +0200 From: Matthias Apitz <guru@unixarea.de> To: Bruce Ferrell <bferrell@baywinds.org> Cc: freebsd-questions@freebsd.org Subject: Re: ssh -X remote does not work due to problem with xauth Message-ID: <20180510172723.GA3877@c720-r314251> In-Reply-To: <0b7b1b99-36cb-d22c-b2a2-84120f6f1359@baywinds.org> References: <mailman.103.1525953601.52518.freebsd-questions@freebsd.org> <587e3b37-c5c7-4af2-80e2-f7c040a4d221@unixarea.de> <7edbad31-8ac8-9c27-2536-9a9a37a579b6@kicp.uchicago.edu> <20180510150154.GA2699@c720-r314251> <0b7b1b99-36cb-d22c-b2a2-84120f6f1359@baywinds.org>
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El d=C3=ADa jueves, mayo 10, 2018 a las 08:46:00a. m. -0700, Bruce Ferrell =
escribi=C3=B3:
> I think this output is key:
>=20
> couldn't query Security extension on display ":0"
Yes, I agree.
> xauth (at the sshd end) is attempting to interrogate the X server on the=
=20
> ssh end and not getting an expected response, and as a result failing to=
=20
> generate the necessary entries in the file xauth file.
No. I straced the remote sshd while I ssh'ed into the server. On the remote=
side there
is no xauth called:
$ grep exec sshd.tr
1369 execve("/usr/sbin/sshd", ["/usr/sbin/sshd", "-D", "-R"], [/* 3 vars *=
/] <unfinished ...>
1369 <... execve resumed> ) =3D 0
1373 execve("/bin/bash", ["-bash"], [/* 12 vars */]) =3D 0
1375 execve("/usr/bin/readlink", ["readlink", "/proc/1373/exe"], [/* 15 va=
rs */]) =3D 0
1377 execve("/usr/bin/tty", ["tty"], [/* 15 vars */]) =3D 0
1379 execve("/bin/uname", ["/bin/uname", "-n"], [/* 16 vars */]) =3D 0
1381 execve("/bin/uname", ["/bin/uname", "-m"], [/* 16 vars */]) =3D 0
1383 execve("/usr/bin/manpath", ["/usr/bin/manpath", "-q"], [/* 32 vars */=
]) =3D 0
1385 execve("/usr/bin/ls", ["ls", "/etc/bash_completion.d"], [/* 38 vars *=
/]) =3D 0
1387 execve("/usr/bin/tty", ["tty"], [/* 43 vars */]) =3D 0
1391 execve("/usr/bin/sed", ["sed", "-r", "s@/*:|([^\\\\]):@\\1\\n@g;H;x;s=
@/\\n@"...], [/* 48 vars */]) =3D 0
1395 execve("/usr/bin/sed", ["sed", "-r", "s@/*:|([^\\\\]):@\\1\\n@g;H;x;s=
@/\\n@"...], [/* 49 vars */]) =3D 0
1397 execve("/usr/bin/dircolors", ["/usr/bin/dircolors", "-b", "/etc/DIR_C=
OLORS"], [/* 53 vars */]) =3D 0
1399 execve("/usr/bin/tput", ["/usr/bin/tput", "hs"], [/* 55 vars */]) =3D=
0
1401 execve("/usr/bin/tput", ["/usr/bin/tput", "tsl"], [/* 55 vars */]) =
=3D 0
1403 execve("/usr/bin/tput", ["/usr/bin/tput", "fsl"], [/* 55 vars */]) =
=3D 0
1405 execve("/usr/bin/tput", ["tput", "sc"], [/* 55 vars */]) =3D 0
1407 execve("/usr/bin/tput", ["tput", "rc"], [/* 55 vars */]) =3D 0
1410 execve("/usr/bin/tty", ["tty"], [/* 55 vars */]) =3D 0
$ grep xauth sshd.tr
$=20
The problem is LOCAL on FreeBSD. (Btw: my colleagues use Ubuntu and do
not have this problem.)
I will move this thread to freebsd-x11@ because it has more todo with X11 t=
han
with the ssh client.
matthias
--=20
Matthias Apitz, =E2=9C=89 guru@unixarea.de, http://www.unixarea.de/ +49-176=
-38902045
Public GnuPG key: http://www.unixarea.de/key.pub
May, 9: =D0=A1=D0=BF=D0=B0=D1=81=D0=B8=CC=81=D0=B1=D0=BE =D0=BE=D1=81=D0=B2=
=D0=BE=D0=B1=D0=BE=D0=B4=D0=B8=D1=82=D0=B5=D0=BB=D0=B8! Thank you very much=
, Russian liberators!
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