Network

Interesting network tools

host - DNS lookup utility
nc - TCP/IP swiss army knife
netstat - Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
nmap - Network exploration tool and security / port scanner

Recipes

Stealthy scan of my website domain to what ports are exposed:

   sudo nmap -sS markcarter.me.uk

Get your external IP address :

   curl ifconfig.me

Links to external sites

MX Toolboox - excellent tool which connects to your mail server and prints diagnostic information. scapy - nteractive packet manipulation program. It is able to forge or decode packets of a wide number of protocols, send them on the wire, capture them, match requests and replies, and much more. Possibly written in python.

Author:  Mark Carter
Created: 20-Jan-2007
Updated: 09-Apr-2012