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Easy Operating System Detection with nmap

Tags: , , Date/Time: September 18, 2021 @ 12:00 am, by raindog308

Recently I was doing some discovery at work of some systems we inherited.  I didn’t yet have access but wanted to determine what type of OS was involved so I could coordinate with the proper teams. You can often guess just by determining what ports are open, but the most efficient tool is the venerable […]

Improved Server Security By Closing Ports With nmap Monitoring

Tags: , , , , Date/Time: June 7, 2020 @ 4:48 am, by raindog308

A cardinal rule of security is to avoid running services you don’t need.  A logical extension of that rule is to not expose ports to the public Internet unnecessarily. You may have a very good reason to run MySQL, however you may not need to expose MySQL to the public Internet.  If you have a […]