DHCP listens for incoming on UDP 67 and send out on UDP 68 For 'well known' and 'registered' ports, you can check http://www.iana.org/assignments/port-numbers too. by gerson.freire@terra.com.br
NAT stands for Network Address Translation which is a feature available in most of the firewalls. This feature enables you to bind your public iP with any of the internal ip, in order to prevent you...
Think of a computer as a block of flats and a port as each pigeon hole. You connect to the computer but then you have to decide what service you want from that computer. For example you can get web...