Proxy between the IDP and SP

[Peter Schober]

* nossair nossair <nossairmail at gmail.com> [2015-01-09 18:38]:
> opensaml::BindingException at (
> http://integration.services.net/SG/Shibboleth.sso/SAML2/POST)
> 
> Invalid HTTP method (GET).

That should be clear enough? That specific endpoint is for HTTP POST
requests, something sent a HTTP GET there.
I doubt mod_proxy_http has anything to do with this.
-peter