Port Scans and Ping Sweeps
A ping sweep is a process in which a computer user runs a software utility to see how many computers are online within an IP address rangeĀ (Wikipedia, 2013). This ping utility is useful when troubleshooting network connectivity when there are known connectivity issues. A system administrator can issue the ping command followed by a single IP address which sends out an ICMP Echo packet. The target computer will either reply back to the ICMP packet to indicate the device is online and accepting ICMP packets. If there is no response, that indicates either the target computer is either offline or...
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