CompTIA Security+ SY0-301: 1.5 – Common Network Ports


If you’re looking through pages of protocol decodes or log files, you’ll need a working knowledge of the most popular network port numbers. In this video, you’ll learn about port numbers and you’ll learn the value of the most common port numbers.

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Filed Under: Free CompTIA Security+ Training

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  • Roger

    Hi, You missed DNS, SNMP, SMTP ports

    • http://www.ProfessorMesser.com Professor Messer

      I didn’t miss them. They simply aren’t listed on the CompTIA Security+ requirements document for section 1.5.