how can I su as root over telnet or ssh?

[armstrong adam]

It really woks!!thanks,
but why this happen?
which part of the document explain this?
I browsed the documentation and cannot find it


>From: Jonathan Chen <jonc at chen.org.nz>
>To: armstrong adam <adamarmstrong59 at hotmail.com>
>CC: questions at freebsd.org
>Subject: Re: how can I su as root over telnet or ssh?
>Date: Mon, 4 Sep 2006 14:19:18 +1200
>
>On Mon, Sep 04, 2006 at 10:12:26AM +0800, armstrong adam wrote:
> > yes,the user logging on is in the wheel group,
>
>You should add the user to `wheel' via /etc/group, and not via
>the login-group.
>--
>Jonathan Chen <jonc at chen.org.nz>
>----------------------------------------------------------------------
>                              "Beer. Now there's a temporary solution."
>                                                        - Homer Simpson