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From: Will Parsons <varro@nodomain.invalid>
Subject: Re: ssh + su problem
Date: Tue, 3 Jun 2014 21:48:01 +0000 (UTC)
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Eduardo Morras wrote:
> On Sat, 31 May 2014 19:42:23 +0000 (UTC)
> Will Parsons <varro@nodomain.invalid> wrote:
>
>> I have a problem in that I cannot su to root on a FreeBSD machine
>> remotely from a Windows machine.  Note that the user I'm logging in as
>> *is* a member of the wheel group (and I can su locally just fine).
>> Symptoms are:
>> 
>> % su
>> Password:
>> su: Sorry
>> %
>> 
>> Although I *think* the purpose of the sshd option "PermitRootLogin" is
>> to (dis)allow *direct* root ssh logins, I changed it to "yes" anyway
>> in sshd_config, but that doesn't seem to be the problem.
>> 
>> I'm inclined to think this a server-side configuration issue, since I
>> get the same result whether I use Cygwin ssh or PuTTY to log in
>> remotely to the FreeBSD machine.
>> 
>
> Try 
>
> %su -
>
> Perhaps it's failing because root user tries to use your user configuration and it has some issue (non existing directory, config incompatible with root user, whatever...)

No - doesn't help.  (Again, note that there's no problem su-ing
locally, only after loggin in remotely with ssh.)

-- 
Will