5

To browse the web, I connect to ssh and make a tunnel to an http proxy (privoxy) who is configured to "route" the traffic depending on the extension, here is an extract of the privoxy config file :

forward .i2p localhost:4444
forward-socks5 / 127.0.0.1:9050 .

basically, if the domain ends with ".i2p" it forwards the traffic to i2p and forward it to tor otherwise.

So in Firefox I configure an http proxy (through a local port forwarding) BUT in these case it seems that I have a DNS leak and there is no obvious solution, so my question is:

If I configure firefox with a socks proxy instead of an http proxy how can I write flexible rules to "route" the traffic to i2p, Tor, or eventually direct traffic (like my previous privoxy config)?

migrated from serverfault.com Dec 9 '13 at 18:07

This question came from our site for system and network administrators.

  • 1
    What makes you think you have a DNS leak? Knowing the symptoms might help identify/solve the problem. – Andrew Lott Dec 9 '13 at 19:15
  • If you give a relatively recent version of Firefox a SOCKS proxy, it should use that for lookups and connections. – flamsmark Dec 10 '13 at 10:50
  • Because I used an HTTP proxy to "route" traffic to tor/i2p and I would like to do that with a socks proxy because as far as I know, an HTTP Proxy is not capable of forwarding DNS queries (whereas a socks proxy can !). am I wrong ? – kondor Dec 10 '13 at 10:53
  • @flamsmark yeah I know, I have to use socks proxy instead of HTTP proxy, but then, how could I route traffic to tor/i2p depending on the extension (like I does in my privoxy config) – kondor Dec 10 '13 at 10:55
2

Instead of using a socks server with a routing feature, you could always use some intelligent proxy selection in firefox itself.

Using the FoxyProxy addon, you can say "Use proxy for URLs matching http://*.i2p.; use proxy for everything else".

[Ceterum censeo: using normal Firefox instead of the TBB is probably not very safe.]

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