Thursday, 19 May 2011

Proxies - Know and Use

Let’s start from general meaning of word 'proxy'. It’s actually an agent / substitute or anybody acting at place of any other.

Technically, proxies are used to bypass some firewall restrictions, maintaining anonymity or for many other purposes. Like you must using proxies for accessing social networking sites from your college network which your firewall restricts.

Let’s understand the common methodology (talking in general terms).

You bunk the lecture, requests your friend to speak up your attendance, you get the attendance (in case professor doesn’t' detect).

Now talking technically, when college firewall doesn't allow you to connect to a site (say facebook).You requests a proxy server to bring the web page from facebook and serve you, Now the firewall thinks you are dealing with a server other then facebook and allows you to make a connection(in case firewall doesn't detect ). 

Hence you have successfully managed to bypass a firewall. Proxy servers simply act as intermediate between your machine and actual server that you are accessing.

Proxy servers are mostly used to maintain anonymity. Suppose you are planning to commit an online crime, you can use proxy server. The actual webserver doesn’t come to know about you because proxy server is dealing with webserver on your behalf.

Common ways to use proxies: -

1.   Setting in Web Browser 

Steps: -

·        First of all log on to and pen down your current IP.

·        Logon to and search for 'fresh proxies' you will get many sites providing you list of IPs and respective port numbers. It must be like this IP: port.

·        Now copy the IP and port no.

·        In Mozilla Firefox browser, go to Tools--Options--Advanced--Network--Settings. You will get the dialog box as shown.

Check the option "Manual Proxy Configuration", fill IP and port no. You can configure the proxies in any browser.

·        Check out again, hopefully it must have been changed. Similarly you can configure proxies in other web browsers.

2.   Using software’s: - You can download many IP hiding softwares. There are easy to use and freely available on internet. They automatically keep changing your IP after a particular interval of time.  I would recommend you one that is Ultrasoft. 

3.   Using websites: - Many websites (e.g- provide free services to hide you IP address.

You can directly visit other websites through them. If you really concerned regarding your anonymity, then must read my next coming article “The Onion Routing – Highly anonymous” on TRICKS4INDYA.

Note: This is illegal and is for educational purpose only. Any loss/damage happening will not be in any way our responsibility.

If you want to keep up-to-date on Ethical Hacking Tutorials, latest Tips & Tricks, latest scams & most important awareness and are a member of Facebook, don't forget to Join the Tricks4indya Facebook page to keep informed about the latest security.




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