Is it still possible to access LS 2.0X surveys without URLs that use rewrite.

When you use auto-redirection to a survey, there are sometimes issues with the URL format. Perhaps a security addon in the Browser Couldn't pinpoint it down why, buy I would like to test the URL form without and Apache rewrite.
Is ?sid=1234 still possible? The other parameters will work, but I don't found the base URL to start with ?sid=