Re: Newbie question about host base authentication

[Simone Scremin <simone.scremin@gmail.com>]

And this is clear.
This the basic host based authentication using pam-ldap.
>From what I know however, it's not possible to set a regex as the value of the host attribute which is my requirement. 
See the previous mail with the relevant example about the regex for the hostnames.
Am I wrong?

Thank you

Simone


On Oct 29, 2012, at 5:26 PM, anax <anax@ayni.com> wrote:

> if you are using pam-ldap, then its even easier than you think, i.e. its included in pam-ldap:
> 
> in the ldap directory create entries like or similar:
> 
> uid=ldap-host,ou=People,ou=pam-ldap,dc=mydomain,dc=com
> cn: ldap-host
> gidNumber: 102
> homeDirectory: /home/ldap-host
> host: vidigal.mydomain.com
> loginShell: /bin/bash
> objectClass: account
> objectClass: posixAccount
> objectClass: top
> objectClass: shadowAccount
> shadowLastChange: 11146
> shadowMax: 99999
> shadowWarning: 7
> uid: ldap-host
> uidNumber: 1038
> userPassword: youonlyknowit
> 
> where the important attribute is host.
> 
> Then, in the ldap.conf file, where you tell pam-ldap, which ldap parameters to use, add the following line:
> 
> pam_check_host_attr yes
> 
> Then, in the corresponding pam-ldap file, add the following two entries:
> 
> account required pam_ldap.so debug
> account required pam_unix_acct.so
> 
> (check to see, if you have the respecitve module installed in your pam-ldap module direcotory).
> 
> And then, by magic, users will be allowed only on the specified host, in this case on vidigal.mydomain.com
> 
> suomi
> 
> 
> 
> 
> 
> On 2012-10-29 13:23, Simone Scremin wrote:
>> Hi all,
>> I'm in the process of learning the OpenLDAP authentication mechanics.
>> I'd need to know what is the best way to configure an host based authentication system that allow to configure a per-user rule to include a group of host to which the user is allowed to login.
>> 
>> In example:
>> 
>> user Bob needs to authenticate on systems:
>> 
>> sys01pra
>> sys02pre
>> sys03pra
>> sys03pre
>> 
>> some configuration on the LDAP server enable this hostnames for Bob with a regular expression like:
>> 
>> sys0*pr*
>> 
>> Is it feasable?
>> 
>> Thanks
>> 
>> Simone
>> 
>