Best network port scanners for Linux

Thursday, 24 July 2003, 1:43 AM EST

Port scanning is a prosaic area of network security. For the network administrator, it is the equivalent of knocking on all the doors of a house to see if anyone is around. In an age when any open holes in a network are dangerous, however, a simple port scanner can be an invaluable tool.

But there is no reason to run out and purchase a piece of scanning software. There are numerous Linux-based scanning products available for free, and two of them do as good a job as any commercial product. Moreover, because these open-source products are continually updated -- by white-hat and black-hat hackers alike -- it also can be argued that they have a better handle on all the ways network ports can be exploited.

[ Read more ]




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Lessons learned developing Lynis, an open source security auditing tool

Posted on 15 October 2014.  |  Lynis unearths vulnerabilities, configuration errors, and provides tips for system hardening. It is written in shell script, installation is not required and can be performed with a privileged or non-privileged account.


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