Network management and security requires a knowledge of TCP and UDP ports. In this video, you’ll learn about some of the most popular TCP and UDP protocols and their corresponding port numbers.
Our mobile devices allow us to keep up with our inbox wherever we may travel. In this video, you’ll learn about configuring email accounts on iOS and Android devices.
Your ISP offers email over POP3. What port number should be opened on your firewall to allow POP3 to work properly?
Our specialized application protocols make it very easy for us to surf the net, transfer files, and send our email messages. In this video, you’ll learn about common application protocols used by HTTP, IMAP, and VoIP applications.
What port number is this?
The TCP and UDP protocols use ports to associate application communication between devices. In this video, you’ll get an overview of ports and you’ll learn which ports are most commonly found on the network.