Tuesday, November 24, 2009

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John Matherly Launches Shodan : A Computer Search Engine

John Matherly is a Serial webapp developer and entrepreneur and is great in developing cool and very useful programs whether its web based or its a platform based.

Recently John Matherly launched a new service to his website named SHODAN , he says its a web app which lets you search Servers, Routers etc and even computers and other IP addresses and the great thing is it works on the web giving the user the so called portability to the hacker like us.


Its real usability comes with its use, its just like Google in our hacking world.
You can search a computer on a network.

This webapp uses a spider to crawl the WebPages or servers and have many capabilities this can be seen as when you search for any IP address or even server the search shows the crawled pages as the Headers , so you can easily make out this…

Now you would ask how do i use it -
Well its pretty simply.

  • Country : 2-letter country code
  • Hostname : full or partial host name
  • Net : IP range using CIDR notation (ex: )
  • Port : 21, 22, 23 or 80

For example : get all web (port:80) hosts running 'apache' in Switzerland (country : CH) that also have '.ch' in any of their domain names:


Screen Shots





Thanks John Matherly

You can visit his site Here
Follow Him on Twitter

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