I've been doing lots of reading and working with Alfresco 3.3g
For http://<myserver>:8080/alfresco, everything works exactly as planned. We're authenticating with LDAP, and synchronizings users and groups as well.
For http://<myserver>:8080/share, the LDAP authentication isn't working.
Obviously, a SSO solution would be great. But everything I've read so far seems to indicate using the passthru subsystem, which tends to fail if it's using ldap instead of the desired AD. Happily, we don't have any M$ products in our infrastructure, so AD isn't a viable option.
Can someone point me in the right direction to get the Share app working? SSO would be great, but not totally needed.
You don't need to use passthru. If you stick with the ldap subsystem in your chain then share will present its password dialog and things should just work.
I understand that people have succeeded configuring passthru against Samba rather than AD; have a search in the forums.
If you want a non Microsoft solution then consider CAS.