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Exodist
Asked: 2012-02-07 16:36:19 +0800 CST

use iptables for transparent access to 2 proxies depending on domain

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I have a setup where I have 2 proxy servers. One is a socks proxy which I wish to use for ALL connections by default. The second proxy is an http proxy which I wish to use for http connections to specific hosts (all on the same domain(s))

Lets assume:

  • Socks proxy is hostA:9000
  • Http proxy is hostB:8080
  • Domain that should go through http proxy is *.foobar.com

Can iptables be configured to do this?

http proxy iptables transparent-proxy socks

1 Answers

  1. For the socks proxy you can use a utility called tun2socks (thats a link). It basically sets up a tunnel device which you can create routing rules to tunnel your traffic through. I use this for connecting to my network at work (since the proprietary vpn software on linux is crap). It works just fine with a few quirks (most notable is that it works for TCP only).

    For the http proxy. In theory this should be possible, but I've never done it myself. However nixcraft has a howto, and their stuff is usually pretty good.

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