Prior to 11.0, the user's AAAC (session) cookie was available to rewrite and other modules; customers could insert the session cookie as a HTTP header that was then consumed by the backend server.

Due to code changes  in Version 11.0, the session cookie is removed .Rewrite and other modules no longer have access to the session cookie.

Prior to 11.0, the user's AAAC (session) cookie was available to rewrite and other modules; customers could insert the session cookie as a HTTP header that was then consumed by the backend server.

Due to code changes  in Version 11.0, the session cookie is removed .Rewrite and other modules no longer have access to the session cookie.

Adding a new expression http.req.user.sessionid() to get the user's session cookie .This variable is available in 11.0 Build 65.x. Closing this case as of now. 

---

Problem Cause

The user's session cookie is no longer accessible to rewrite and other modules. Customers cannot insert the session cookie as an HTTP header and send it to back-end servers.