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5 of the Best Free Linux Port Scanners

Feb 21, 2011, 19:05 (0 Talkback[s])

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"A port scanner is a utility which probes a server or host to verify if the virtual ports of a system are open or closed. Ports allow different applications on the same computer to share network resources simultaneously.

"Port scanning has many legitimate uses such as network inventory and the verification of the security of a network. Port scanners therefore represent an important tool for users and system administrators to verify the security policies of their computers and network.

"Linux has a good range of port scanners that help administrators identify and rectify weaknesses in a system. To provide an insight into the software that is available, we have compiled a list of 5 of our favorite port scanners. Hopefully, there will be something of interest here for administrators or users that want to scan computers and services that are running on a network. We give our strongest recommendation to Nmap, an indispensable utility to gather information about remote computers."

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