Let me see if I can explain what's happening.
User requests http://external-apps
Apache processes Virtual host external-apps
ProxyPass
/ http://internal-apps/
The Internal apps server denies access
and requires authentication.
Internal app server redirects the user
to http://internal-sso
I have a 2 node internal environment.
http://internal-apps and http://internal-sso. The reverse proxy has
two virtual hosts configured as http://external-apps and http://external-sso.
All reverse proxy configs work except when the application server
needs to authenticate to the sso server. The
