How can I trust that the SiteMinder HTTP headers haven't been tampered with?

Question

I am completely new to SiteMinder and SSO in general. I poked around on SO and CA\'s web site all afternoon for a basic example and can\'t find one. I don\'t care about setting

Answer 1

Because all traffic should pass through Siteminder Web Agent so even if the user sets this header it will be overwritten/removed