Why Tor cant access localhost pages

Question

I have Tor running and a python script to get web pages:

socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, "127.0.0.1", 9050)
socket.socket = socks.socksocket

print urllib2.urlopen(URL).read()

However, if the URL is

http://localhost/some_page.html

I get the following error:

raise Socks5Error(ord(resp[1]),_generalerrors[ord(resp[1])])
TypeError: __init__() takes exactly 2 arguments (3 given)

Can someone explain to me what exactly happens?

Thank you.

My guess would be that it goes through loopback interface, rather than via normal ways. Try using your real interface's IP address, rather than 127.0.0.1? — favoretti, Oct 25 '12 at 01:04
so any web request you are trying to make, other than localhost, returns that error meaning you cannot route your traffic over Tor? — mayotic, Feb 06 '13 at 21:03

score 16 · Answer 1 · answered Oct 25 '12 at 03:45

16

It is the way protocol is designed. When you send a request, it is transported to another machine on Internet with Socks5 envelope. So actual request is made from external server, thus accessing 127.0.0.1 is not possible.

answered Oct 25 '12 at 03:45

Supreet Sethi

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score 1 · Answer 2 · answered Jun 11 '16 at 05:30

You can use Tor proxy with php in localhost. Using cURL. Put your local IP on LAN proxy config "No proxy for:". Exammple 192.168.1.10. Then call your php as "http://192.168.1.10/your_script.php"

$proxy = '127.0.0.1:9150';
$ur = "http://anydomain.com";
$ch = curl_init();

curl_setopt($ch, CURLOPT_PROXY, $proxy);
curl_setopt($ch, CURLOPT_PROXYTYPE, 7);

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

    curl_setopt($ch, CURLOPT_URL, $ur);

    $curl_scraped_page = curl_exec($ch);
    $error = curl_error($ch);

Why Tor cant access localhost pages

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