This looks very interesting and useful. Would you mind writing up
something I can post on the Fedora DS wiki? Don't worry about
formatting, spelling, etc. I can fix that up.
Dan Cox wrote:
As an alternative, I've used the ldap/netgroup integration for many
years and it seems the cleanest way of doing it when used in
conjunction with pam's access.conf. It allows me to push the same
/etc/passwd and /etc/security/access.conf to all machines on the
network via something like CFEngine.
The access.conf consists of something like (allow all QA users access
to QA systems):
+ : @QA@@QAServers : ALL
Then I just add or remove the user or machine in the ldap netgroup
entry. The real power with using ldap based netgroups is when you
realize all of the services that can consume netgroup information,
unlike the simple user based host attribute. For example, you can push
a global /etc/sudoers and specify certain groups of users can run
certain commands on particular groups of machines all on one line.
CFEngine itself can query netgroups to know what config files to push,
tools like dsh (distributed ssh) can use netgroups as machine targets
for commands, etc. I've administered some very large networks of
machines with these tools and it makes it very easy to control.
Dan-
Jason Hane wrote:
> I had a similar question a few weeks ago. I wanted to be able to assign
> a list of users access to only a specific number of computers. This is
> the response I got from Gary Tay:
>
> FDS is very similar to SUN ONE DS5.2, I think netgroup (+@netgroupXXX in
> /etc/passwd and /etc/shadow and "compat" keyword in /etc/nsswitch.conf)
> LDAP maps could be setup to achieve what you want, it has been used by
> many DS5.2 administrators
>
> See:
>
http://web.singnet.com.sg/~garyttt/Installing%20and%20configuring%20Open
> LDAP%20for%20RedHat%20Enterprise%20Linux3.htm
> Step 5Y: Configure "netgroup" to work with RedHat or Solaris Native LDAP
> Clients
> (i.e. controlling user access to host using netgroup LDAP maps)
>
> Also see:
>
http://swforum.sun.com/jive/thread.jspa?threadID=52764&messageID=223846#
> 223846
> Configuring LDAP netgroups
> Gary
> -----Original Message-----
> From: fedora-directory-users-bounces(a)redhat.com
> [mailto:fedora-directory-users-bounces@redhat.com] On Behalf Of Michael
> Montgomery
> Sent: Tuesday, January 03, 2006 1:35 PM
> To: General discussion list for the Fedora Directory server project.
> Subject: Re: [Fedora-directory-users] Server-Side ACLs for pam_ldap
> logins.
>
> Thanks for the response. I'll read up on this, and see if I can get
> this working.
>
> On Tue, 2006-01-03 at 11:29 -0700, Richard Megginson wrote:
>
>
>> Michael Montgomery wrote:
>>
>>
>>
>>> I do agree that this is closer to what I'm looking for, but the first
>>>
>>
>
>
>
>>> problem I see is that I wanted to allow Groups of people to login
>>> to Groups of servers like:
>>>
>>> cn=www,ou=Group,dc=example,dc=com is a group of www servers.
>>> cn=Unix,ou=Group,dc=example,dc=com is a group of Unix users.
>>>
>>> So basically, on the people in the Unix group, can login to the www
>>> servers, and so forth.
>>>
>>>
>>>
>>
>> Right. The host attribute is per user. You could set up a Roles
>> for your users, and use Class of Service to automatically add the
>> host attribute to the role members.
>>
>
>
>
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