Re: [squid-users] True transparent proxying

From: Henrik Nordstrom <hno@dont-contact.us>
Date: Wed, 15 Jun 2005 22:55:40 +0200 (CEST)

On Fri, 27 May 2005, Jan Engelhardt wrote:

> Can Squid3 "spoof" the IP when it connects to the parent cache? This would
> work in practice, because the network is laid out for such, that all packets
> have to pass the intermediate squid.

There is two ways of doing this:

   a) Linux TPROXY, with support in the application. To my knowledge there
is no TPROXY patch to Squid-3.

   b) Use of a large number of "private" addresses in tcp_outgoing_address,
NAT:ed to the clients real IPs before the requests reach the parent.

Regards
Henrik
Received on Wed Jun 15 2005 - 14:55:41 MDT

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