Hi, I´m using Tomcat with a custom single-sign-on valve. Is there a chance to access the sso-valve from another tomcat instance running on another server? Currently I´m setting a cookie as soon as the sso has been performed and check values from that cookie in my other applications. But right now I would have to sign on at another link first, so that a cookie is written and then access the application on the other host. What I would like to do is the following, when accessing my application: Check if SSO has been performed already. If not, access the SSO-valve from the tomcat running the sso-module for authentification, so that sso will be performed and the application can be accessed. Is there a chance to do so? Any help would be greatly appriciated. Thomas