On 3/09/2012 7:01 p.m., Stolle, Martin wrote:
Hello,

I got a problem with the cooperation of squidguard 1.4 and squid 3.2.1

My test scenario consists of

Squidguard 1.4
Squid 3.2.1
Basic Authentication (in that case of test)


I want to allow URLs not blocked by lists from squidguard to all users.

If a website is blocked from a squidguard list and a user isn't authenticated, 
squidguard shall and will redirect the request to a blocking site, which links 
to a site, where somebody can authenticate itself.

If someone is authenticated that way, he is associated with an user account and 
should have access to all web sites.

Unfortunately, I got the problem, that, also a user is authenticated, squid  
transfers the user information only under the condition, that from the point of 
view of squid the authentication is necessary, to squidguard, also the user 
authenticated before. If Squid recognizes, that from the point of view of squid 
authentication is not necessary (i.e. there was e.g. a http_access allow all on 
the way), it does not transfer authentication information to the url rewriter, 
here squidguard, and does also not log that information.
But squidguard needs that information in that case to allow the user access to 
that web site and don't redirect the request to the blocking site.

Is there an option to transfer authentication information in any case - where 
it is available, i.e. the user has already authenticated - to the rewriter and 
also to log it?

URL rewriter interface is NOT the correct place to be performing authentication or authorization.

Use external_acl_type helper interface instead, design your input format % codes to match the fields squidguard needs. That interface will do proxy credentials location for %LOGIN, including authentication if required. Use deny_info to do the page redirection.

Amos

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