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Re: Disabling access to SSH



On Tue, 2004-11-16 at 10:55 +0000, michael wrote:
> > On Tue, 2004-11-16 at 08:50 +0100, Mark Maas wrote:
> >> I'm trying to restrict access to my ssh server from the outside to
> >> allow only two IP adresses and the internal lan ofcourse.
> >> And deny access to everyone else.
> >
> > Besides the allready mentioned iptables and hosts.allow/deny mechanisms
> > you can also limit this somewhat in SSH itself:
> >
> > in /etc/ssh/sshd_config
> > AllowUsers <valid usernames for ssh>
> 
> but which ssh are you using? it does not seem to be in
> OpenSSH_3.8.1p1 Debian-8.sarge.3, OpenSSL 0.9.7d 17 Mar 2004

ssh -v tells me:
OpenSSH_3.8.1p1 Debian-8.sarge.3, OpenSSL 0.9.7e 25 Oct 2004

# grep AllowUsers /etc/ssh/sshd_config
AllowUsers user1 user2 user3

See man sshd_config
AllowUsers
 This keyword can be followed by a list of user name patterns,
 separated by spaces.  If specified, login is allowed only for
 user names that match one of the patterns.  '*' and '?' can be
 used as wildcards in the patterns.  Only user names are valid; a
 numerical user ID is not recognized.  By default, login is
 allowed for all users.  If the pattern takes the form USER@HOST
 then USER and HOST are separately checked, restricting logins to
 particular users from particular hosts.

-- 
Mark Janssen -- maniac(at)maniac.nl
Unix / Linux, Open-Source and Internet Consultant
PGP: 0x357D2178 Skype: markmjanssen ICQ: 129696007

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