Nmap for scanning networks
what is Nmap? Nmap ("Network Mapper") is a free open source tool for scanning the network.you can download from from here nmap.org Nmap uses raw IP packets in novel ways to determine what hosts are available on the network,what services (application name and version) those hosts are offering ,what operating system (os version) they are running,what type of packets filters/firewalls are in use,and dozens of other characteristics. firewalls,routers,proxy servers and other security devices can skew the results of and Nmap scan.scanning remote hosts that are not on your local network may provide misleading information because of this what is illegal with Nmap? scanning networks that you do not have permission to scan can get you in trouble with your internet service provider,the police,and possibly even the government. don't go off scanning the FBI of secret service website unless you want to get in trouble. aggressively scanning some systems may cause ...