[Samba] Samba LDAP caching when LDAP server unavailable - possible?

Chris St. Pierre stpierre at NebrWesleyan.edu
Tue Jan 17 19:51:53 GMT 2006


Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University

On Tue, 17 Jan 2006, Tomasz Chmielewski wrote:

> I've been using Samba with OpenLDAP with great success on normal servers.
> Recently however, it appeared to us that for remote locations it is more
> economically viable to replace Samba servers with Samba running on little
> routers like ASUS WL-500g with openwrt firmware/software.
> It has a broadcom/mipsel CPU, and thanks to openwrt (http://openwrt.org), it is
> possible to run lots of software on it.
> Pretty nice for small offices - small, no fan, no hard disk etc. other moving
> parts (you can connect a USB stick to it if you want to store files/profiles).
> There is one glitch however - no OpenLDAP port.
> So a Samba domain controller running on these tiny routers would have to
> authenticate users users against an external OpenLDAP server (probably in the
> company headquaters).
> My experience shows that a company with several branches located throughout the
> city/country/world have connectivity problems from time to time (especiall when
> there is no IT staff in the branches).
> With no local LDAP server this would mean users not able to work (as they can't
> authenticate).
> Is it possible to set up Samba to "cache" credentials retrieved from the LDAP,
> and when LDAP is unavailable, to use these cached credentials?
> -- 
> Tomasz Chmielewski
> http://wpkg.org
> -- 
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