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telneting proxyes
Posted by: backbone
Date: April 28, 2007 08:37AM

yes I need some help in finding out how you use proxyes through telnet... I now how to use them in FFox IE etc. (who doesn't) but what commands do I issue on them... i know they are based on the http protocol... but all I could find with google was junk...

so telnet proxy 80/3128/8080
...

and somebody will continue :)

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Re: telneting proxyes
Posted by: jf
Date: April 28, 2007 08:49AM

Depends on if you want to do a literal HTTP request, or try to create a SSL tunnel.

For a normal HTTP request, you just change the URI from relative ("/index.php") to absolute ("http://sla.ckers.org/index.php"). Thus, if you wanted to run the following request through a proxy:

GET /index.php HTTP/1.0
Host: sla.ckers.org
Connection: close

You would instead type:

GET http://sla.ckers.org/index.php HTTP/1.0
Host: sla.ckers.org
Connection: close

That's all there is to it.

For an SSL tunnel, you would instead type:

CONNECT sla.ckers.org:443 HTTP/1.0
Host: sla.ckers.org

That will connect you to port 443 of sla.ckers.org, where you would then have to again type your normal HTTP request after you negotiate an SSL connection. If the proxy allows it, you can cause it to connect to arbitrary ports, and then run arbitrary protocols through it...that's how people tunnel SSH through a HTTP proxy.

Google "http proxy rfc" and you'll get the technical details.

- JF

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Re: telneting proxyes
Posted by: backbone
Date: April 28, 2007 09:18AM

10x JF I've been trying from a proxy connection

GET /index.html HTTP/1.0
HOST: website.com

and got nothing...ok... got bad request stuff... that is why I asked on the forum...

also now that I know this... can you tell me how can I do a proxy chaining?

---
blog [-] microblog



Edited 2 time(s). Last edit at 04/28/2007 12:34PM by backbone.

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Re: telneting proxyes
Posted by: jf
Date: April 28, 2007 02:30PM

Proxy chaining comes in many forms, and can be done over various types of proxies (SOCKS, HTTP/SSL, CGI, etc.)

The simpliest would require a bunch of SSL-capable proxies, and you would use multiple CONNECT requests like so:

> telnet proxy1 8080

CONNECT proxy2:8080 HTTP/1.0

(you get 200 response from proxy 1, showing you are connected to proxy2)

CONNECT proxy3:8080 HTTP/1.0

(you get 200 response from proxy 2 via tunnel through proxy 1, showing you are connected to proxy3)

GET http://sla.ckers.org/ HTTP/1.0
Host: sla.ckers.org

(you get 200 response from sla.ckers.org via proxy3 through tunnel of proxy 1 & 2)


Most proxies limit which port you can connect to via a CONNECT, so it's not like this is immediately usable on all proxies.

- JF

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Re: telneting proxyes
Date: May 03, 2007 11:30PM

If YOu want to use This Proxy; this works very good

http://bagsforsale.info/safe/


it have been working for a long time with me, I use it at work and at school.

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