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Re: TCP_DENIED/403

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On 5/11/2014 10:39 p.m., navari.lorenzo@xxxxxxxxx wrote:
> Good day today. I' m configuring a Squid Web Proxy Cache and  I
> apply the deny policy to some sites l this is the problem:
> 
> when people accesses sites with GET they have the right html error
> page ERR_ACCES_DENIED (LOG = TCP_DENIED/403 4069 GET
> http://www.sex.com/ - HIER_NONE/- text/html)
> 
> when people accesses sites with CONNECT they DON'T  have the right
> html error page but te message CONNECTION REFUSED BY PROXY SERVER 
> (LOG = TCP_DENIED/403 3681 CONNECT facebook.com:443 - HIER_NONE/-
> text/html)
> 
> I would like to have the same error page for all.
> 
> Can anyone help ??
> 

Sorry, the answer there is no.

If you look at the TCP packets being sent back by Squid, adn also
shown by those log entries. Squid *is* sending back the same 403 error
in both cases to the client browser.

What is happening is that the browser treates CONNECT and GET
differently. Specifically they refuse to show any remotely generated
(by Squid) content in the even of a 4xx or 5xx response to CONNECT.

To get this changed you will have to discuss it with the browser
people. They do it this way because of past hstory with malicious
payloads being delivered back in 4xx errors to CONNECT.

Amos

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