The Internet Control Message Protocol (ICMP) has many messages that are identified by a "type" field. You need to use 0 and 8 ICMP code types.

=> Zero (0) is for echo-reply

=> Eight (8) is for echo-request.

To enable ICMP ping incoming client request use following iptables rule (you need to add following rules to script).

My default firewall policy is blocking everything.

  Views: 1809 | Author: admin | Date: 22-08-2009, 16:32 | Comments - 0

If you don’t know what Nmap is then this probably doesn’t interest you and/or not “1337″ enough. What’s wrong with you?

Today, insecure.org announced the release of Nmap 5.0, which they consider the most important release since 1997. Their release notes detail the most important changes:.. Read more in the full article

  Views: 214 | Author: admin | Date: 19-08-2009, 19:58 | Comments - 0

Random Futurama Quotes to fill the day. I just found this awesome site: http://commandlinefu.com. There are a lot of great ideas on this site, I recommend you take a few minutes and check it out. Major props to icco of commandlinefu.com

  Views: 162 | Author: admin | Date: 17-08-2009, 20:33 | Comments - 0

This 2,000 year old clock-like device might be one of the oldest "computers" - "It looks like a heap of rubbish, feels like flaky pastry and has been linked to aliens. For decades, scientists have puzzled over the complex collection of cogs, wheels and dials seen as the most sophisticated object from antiquity, writes Helena Smith. But 102 years after the discovery of the calcium-encrusted bronze mechanism on the ocean floor, hidden inscriptions show that it is the world's oldest computer, used to map the motions of the sun, moon and planets."

  Views: 453 | Author: admin | Date: 17-08-2009, 20:32 | Comments - 0

To start go to this link: Color-generator

  Views: 240 | Author: admin | Date: 17-08-2009, 20:32 | Comments - 0