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Old 08-02-2007, 04:59 AM   #1
wolfipa
LQ Newbie
 
Registered: May 2004
Location: Austria
Distribution: Fedora Ubuntu OpenSuse
Posts: 26

Rep: Reputation: 15
sshd_config allowusers allowgroups


Hi there,

i want to setup more security for ssh server and just started playing around with the configuration file.
I added the definitions AllowUsers & AllowGroups to that file specifying a certain user and a group.
The tricky thing of it is, that i added a user to the configuration which is not member of the configured group:

sshd_config:
AllowUsers abcd
AllowGroups admin

Now the problem is that the system doesn't allow login to the server with the error message:
User wxyz not allowed because not listed in AllowUsers --> but wxyz is member of admin group

Any idea? Is this normal behavior?

Greets
 
Old 08-02-2007, 05:34 AM   #2
w3bd3vil
Senior Member
 
Registered: Jun 2006
Location: Hyderabad, India
Distribution: Fedora
Posts: 1,191

Rep: Reputation: 49
this works like this,
cat /etc/group
Quote:
admin:x:504mair3
loc3l:x:505mair1
cat /etc/ssh/sshd_config
Quote:
AllowUsers omair1 omair3
AllowGroups admin
in this case omair3 will only be allowed to login.
I hope you get the idea.
 
Old 08-02-2007, 05:59 AM   #3
wolfipa
LQ Newbie
 
Registered: May 2004
Location: Austria
Distribution: Fedora Ubuntu OpenSuse
Posts: 26

Original Poster
Rep: Reputation: 15
ok. thanks for the info. i understand now that both work together

Maybe you can help me with another issue:
I've setup key authentication for remote users which works fine.

Is there a way to send notifications to somebody who tries to login? I'm using the banner function - but this information is sent to everybody.

any idea? thanks in advance!
 
  


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