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"Geoff Caplan" wrote My prospective application with Zope would have to test for the ability to wite cookies, and degrade gracefully to cookieless session management if required.

On a quick first reading of the documentation, I am not sure if Zope offers any help with this, or would it be a matter of using hidden forms and passing a parameter from page to page?

Have a look for Scott's Session product. It's a good base to work from. I'm building an SQL-backed Session object - it works by both setting a cookie, and putting the session-id in the URL (look at a typical Amazon.com URL). It stores the session's persistent data in a SQL database. It's not yet done, but I plan to release it when it is. Anthony