TBB 6.0.8, Privoxy 3.0.26

What I did - in the Privoxy configuration file prescribed


forward-socks4 / .

forward-socks4a / .

forward-socks5 / .

forward-socks5t / .

In browser settings, connection settings, HTTP, HTTPS and SOCKS5 -

As a result, any page shows me - "Could not find proxy server"

What am I doing wrong?

  • 1
    Your privoxy config is wrong and will leak. Don't use privoxy with Tor Browser, it will harm your anonymity and privacy.
    – cacahuatl
    Jan 1, 2017 at 19:00
  • What configuration can I use? Or any non-permissible?
    – User911
    Jan 2, 2017 at 6:04
  • You should use a single proxy definition, using all 4 is likely to cause it to make a mistake, socks4 doesn't support remote hostname lookup and will cause it to perform DNS lookups locally, leaking the hosts you try to visit to your DNS server. socks5t is intended for tor usage. socks4a, socks5 or socks5t should be used. socks5t is intended for use with Tor: privoxy.org/user-manual/config.html
    – cacahuatl
    Jan 2, 2017 at 7:39
  • However, as I understand it Tor Browser will resist attempts to subvert it from using it's chosen proxy and so you may not be able to get the http proxy to work. And even if you did get it to work, you'll also make your requests look different from other Tor Browser users and lose the circuit isolation that Tor Browser provides. You should not do this, it does not improve Tor Browser.
    – cacahuatl
    Jan 2, 2017 at 7:41
  • My idea was - to put at the end of the chain a transparent proxy, because now it is impossible to make built-in means ... I started with a simple, with an attempt to "make friends" the TBB and Privoxy.
    – User911
    Jan 2, 2017 at 8:38

2 Answers 2


The Tor Browser Bundle to my knowledge doesn't use any TCP anymore, but uses a Unix Socket to communicate with Tor. This means that connecting to Privoxy the way you suggest is impossible.

I also think that might refer to the exit node (and in that case is forbidden).

Your only option might be to use a more custom setup.

  • It still uses TCP
    – cacahuatl
    Jan 1, 2017 at 19:10
  • @canonizingironize In the torrc of Tor browser I have my ControlPort and SocksPort both set to unix sockets, so I don't think that's true - even though it might still support TCP.
    – meee
    Jan 2, 2017 at 10:50
  • Are you using the alpha? A fresh 6.0.8 has SocksPort 9150 IPv6Traffic PreferIPv6 KeepAliveIsolateSOCKSAuth and ControlPort 9151 in Browser/TorBrowser/Data/Tor/torrc-defaults, at least on Linux and Windows.
    – cacahuatl
    Jan 2, 2017 at 17:08
  • Oh, whoops. Yes, I do. Feels ages since I first read that in the changelog. Thought it was in stable meanwhile. Sorry!
    – meee
    Jan 7, 2017 at 22:29

At the moment, I realized that Privoxy conflicts with Torbutton. What needs to change in the Torbutton, to remove this conflict?

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