Hi,

> I am thinking on sharing only one connection between sessions. I don't
> expect to have more than 1 concurrent users.

But, you will. It's Murphys Law :-)

> Anyway I am having troubles to make the first connection.

Try some logging and exception catching in your app in order to
get the error message that Firebird is returning instead of the
webservers "internal error".

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com