Hello,

like Charles Villemure in the mail "Inifite loop with mod_sspi, mod_proxy and 
mod_rewrite" I have set up a proxy with single sign on.
I'm using mod_auth_kerb vor SSO and a glassfish in the backend.

Like Charles I have the rules:
>         RewriteEngine On
>         RewriteCond %{LA-U:REMOTE_USER} (.+)
>         RewriteRule .* - [E=RU:%1,NS]
>         RequestHeader set REMOTE_USER %{RU}e
>         RequestHeader unset Authorization

The last line is needed, because during the negotiation process a GET request 
with a very large (>10kB) authorization header is getting through to the 
glassfish, which would deny such a big request.
No, every time, a user authenticates, my glassfish is receiving the same 
request twice!
My guess is, at first it's the authorization request, where the authorization 
part is filtered out by the unset operation. And the second is the true request 
after succellful authentication.

Is this right and if so, is there a way to prevent the double request?

Thanks in advance,

Martin Koerner


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