Just as an example. My URLs look like this now: http://127.0.0.1/seaside/webapp?_i=MjA5NzM0MDgw&_k=TBXMSgmy&_s=nAwqjrxuIBlnBvnL thats: _i For squeak instance _s Session inside squeak instance _k execution pointer since start of session regards, Norbert