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by Joker_vD 399 days ago
> redirect certain applications over Tor, like a web browser

I personally use a proxy.pac file (which all both Firefox/Chrome support) with roughly the following contents:

    function FindProxyForURL(url, host) {
        var httpProxy = "PROXY localhost:3128";
        var onionProxy = "SOCKS5 localhost:9050";

        if (host.endsWith(".onion")) {
            return onionProxy;
        }

        var proxiedDomains = [
              "example.com",
              ...
        ];

        for (var proxied of proxiedDomains) {
            if (shExpMatch(host, proxied) || shExpMatch(host, "*." + proxied)) {
                return httpProxy;
            }
        }

        return "DIRECT";
    }
The only inconvenient part is that Chrome for some stupid reason can't read this file from a file:// url, so I have to host it on my localhost; oh well.
2 comments

Take care with this. Some people are putting sneaky code in that detects if your regular non-proxied access will receive some other network path via a .onion domain. It is not clear to me what exactly they are doing with this knowledge.
That's anecdotal or is there something to confirm this?
Hi. I checked your profile and it says you like to be referred to as a "black hat hacker" who is being "pursued by multiple agencies".

Can you explain exactly what you hope to do with this knowledge?

Or is it not obvious when pointed out to you that you would have a different IP address accessing a .onion address and a .com address at roughly the same time?

It says "i wish" right under that.
Not the person you replied to, but theoretically, it's easy for me to imagine how that would work, so I'd definitely be wary of using a solution like this.
terrible idea since .onion websites can (and many do) load resources from non-.onion urls