I believe there is an example plugin that might be of help http://www.zenphoto.org/news/zenphoto-single-sign-on.
In addition there is a plugin for Zenphoto 1.4.2 that will enable Zenphoto to use HTTP authorization so your users could sign on via HTTP authorizaton and it would stick in Zenphoto.
http://www.zenphoto.org/news/zenphoto-single-sign-on.
Oops, sorry!
What you are requesting cannot be found. Maybe you want to try a search?
you should suppress the "." at the end of the url
The forum software creates links automatically from urls written and sometimes this happens... The correct link:
http://www.zenphoto.org/news/zenphoto-single-sign-on
btw, vincent, you seem to double post today a lot. Any issues with the site?)