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Georges Toth wrote: |
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> Hi, |
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> |
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> Thanks for that description and links. |
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> I guess I will play with SSO sometime soon :-). |
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> |
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> |
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>> I have a system setup using OpenLDAP combined with Cyrus-SASL and Heimdal |
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>> kerberos. I have tied samba into it, and will eventually setup samba-tng |
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>> as an authentication head for samba. With samba, I may use NTLM |
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>> authentication to include more options for SSO. |
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>> |
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>> The way my setup works is samba has access to use LDAP for accounting and |
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>> simple binds (over SSL/TLS). Unfortunately, samba doesn't support kerberos |
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>> based authentication "(yet)". In this setup, the users sign on to their |
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>> desktop, and the same login is used to access network shares without prompt |
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>> for another password (this happens by default on most windows desktops) |
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>> using NTLM. |
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>> |
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>> Various applications using SPEGNO/GSSAPI can provide autologin |
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>> functionality using this same login if we chose to implement something to |
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>> that effect, but that depends entirely on the applications we might use. |
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>> For example, IE and Firefox support SPEGNO/GSSAPI, so enabled web |
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>> applications may use this to authenticate the client without additional |
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>> credentials. Another example may be squid, as it provides NTLM |
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>> authentication mechanisms. |
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>> |
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>> Even if kerberos or NTLM authentication isn't possible I can still |
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>> integrate other services such as pam, Jabber, samba, AND Outlook |
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>> addressbook into LDAP using SSL/TLS and simple binds. This makes my setup |
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>> more of a flexible centralized authentication system, than simply an SSO |
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>> server. In the end, it all comes down to what auth mechanisms the apps |
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>> you're using support in your ability to perform SSO. |
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>> |
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>> I have referenced a lot of these links for my setup. With them, there |
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>> should be enough information to create a setup truly exact to your needs: |
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>> |
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>> Centralized authentication howtos: |
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>> http://www.openinput.com/auth-howto/ |
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>> http://www.bayour.com/LDAPv3-HOWTO.html |
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>> |
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>> Samba (TNG) and authentication: |
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>> http://www.mami.net/univr/tng-ldap/howto/ |
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>> http://www.deschner.de/gd/dual_samba.html |
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>> http://www.mami.net/univr/tng-ldap/howto/sambausermapping.html |
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>> http://www.samba-tng.org/docs/tng-arch/tng-arch.html |
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>> |
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>> Other misc resources: |
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>> http://acctsync.sourceforge.net/ |
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>> http://www.cmf.nrl.navy.mil/CCS/people/kenh/kerberos-faq.html |
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>> "Making the big boys play nice..." (one of my favorites) |
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>> http://pgina.xpasystems.com/?page_id=3 |
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>> |
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>> |
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>> In a sense, I have been trying to work toward SSO for a while. There are |
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>> still many things that require a password on our network though. By |
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>> centralizing authentication, I feel that I am one step closer. Anyway, I |
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>> hope this helps. |
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>> |
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>> Regards, |
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>> |
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>> |
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>> Robert Larson |
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>> |
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> |
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> |
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Many thanks for the links a great help. I will be experimenting with a |
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few setups, if I manage something useful i'll let you know. |
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|
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Steve. |
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-- |
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