Re: [squid-users] (Fwd) Re: Spam, Block: Is there a SOCKS list?

From: Henrik Nordstrom <>
Date: Fri, 22 Feb 2002 01:38:29 +0100

On Thursday 21 February 2002 15:22, Allen Smith wrote:

> The only good news here is that implementors of mail servers (Sam?
> Are you listening?) and NNTP news servers (and any/all other sorts
> of servers that typically expect text lines as input) can easily
> defeat this ploy by checking to see if the very first ``command''
> that is received after the connection is established is either
> `POST' or `PUT'.

Well.. actually the HTTP specification says that mostly any method
can have a request entity with a few exceptions. The HTTP/1.1
specification is rather clear on this.

Squid is a little anal in what requests it accept request entities
on, for good and bad.

What servers can reliably detect HTTP proxyied requests from is the
HTTP signature. The first request line ends in [space]HTTP/x.y

Henrik Nordström
Squid Developer
Received on Thu Feb 21 2002 - 18:29:35 MST

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