>305 is mostly for proxy-redirect (from proxy to another), but everyone use
>proxy scripting.

Don't know about poxy scripting :-(

Any idea where to find info or some code snippets?
 I've been searching without good results.

TIA

Paul


----- Original Message ----- 
From: "Marcello Vezzelli" <[EMAIL PROTECTED]>
To: "ICS support mailing" <twsocket@elists.org>
Sent: Tuesday, December 06, 2005 6:31 PM
Subject: Re: [twsocket] Detect Http/https proxy


> Paul wrote:
>
>> I know Maurizio's component, but it also doesn't work in every situation
>> (which may never be the case anyway),
>> so I want to implement extra checks.
>> For what I have found on the net, when a http statuscode 305 is received,
>> there should be more info returned about the proxy.
>
> 305 answer is not mandatory, so you can't rely on it.
>
>> I don't know what info and how/where to read/interpret it (and cannot 
>> test
>> it here).
>> Especially Squid proxy users seem to use the most exotic ports that are 
>> used
>> for other protocols.
>
> Any port can be used for http proxy. Common ones are 80,81,3128,8000,8080
> but there is no rule.
>
> In my experience, I've never seen a 305 reply in common production
> environments (Squid, ISA Server).
>
> Consider this: if you get a 305 from the proxy, you talked to the proxy so
> you know ip and port :D
> 305 is mostly for proxy-redirect (from proxy to another), but everyone use
> proxy scripting.
>
> -- 
> Marcello Vezzelli
> CTO
> Software Development Department
> E-Works s.r.l.
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> fax +39 059 2925035
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