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Re: TCP_DENIED/403

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On 6/11/2014 9:45 p.m., navari.lorenzo wrote:
> hello boys, excuse my bad english
> 
> there is something i don't understand. If i write an URL into a
> browser which use Squid (for example www.xxx.com) (denied whith an
> acl)
> 
> I expect that Squid answer saying:  you cannot access this url
> because it is a denied url. This should happen without squid goes
> to look for that url.
> 
> What's wrong ?

Your thinking is wrong.

1) When you enter an HTTP URI the browser passes *the URL* to Squid
and asks for it.
 -> Squid replies 403 Forbidden (to access URL)

2) when you enter an HTTPS URL the browser tries to open a CONNECT
tunnel through the proxy.
 -> Squid replies 403 Forbidden (to setup tunnel).

*** HTTPS URL is never seen by Squid (unseen URL cannot be forbidden)

 -> Browser leaves your https:// URL in the address bar.

 ** Browser people think its false to display the 403 Forbidden (about
CONNET) as the page, because the URL in address bar was not forbidden.
Which is understandable though annoying - only the CONNECT tunnel is
known to be forbidden.

So what does the browser display for HTTPS URLs?
  "Cannot CONNECT to server" or something like that.

Amos

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