Determining the services running on specific ports will ensure a successful pentest on the target network. It will also remove any doubts left resulting from the OS fingerprinting process.
Let's begin the process of service fingerprinting by opening a terminal window:
Open a terminal window and issue the following command:
nmap -sV 192.168.10.200 Starting Nmap 5.61TEST4 ( http://nmap.org ) at 2012-03-28 05:10 CDT Interesting ports on 192.168.10.200: Not shown: 1665 closed ports PORT STATE SERVICE VERSION 21/tcp open ftp Microsoft ftpd 5.0 25/tcp open smtp Microsoft ESMTP 5.0.2195.6713 80/tcp open http Microsoft IIS webserver 5.0 119/tcp open nntp Microsoft NNTP Service 5.0.2195.6702 (posting ok) 135/tcp open msrpc Microsoft Windows RPC 139/tcp open netbios-ssn 443/tcp open https? 445/tcp open microsoft-ds Microsoft Windows 2000 microsoft-ds 1025/tcp open mstask Microsoft mstask 1026/tcp open msrpc Microsoft Windows RPC 1027/tcp open msrpc Microsoft Windows...