The traffic we send across the network is subject to viewing by anyone along the way. In this video, you’ll learn about which protocols and services should be used to ensure a secure communications channel.
There’s more than one way to send a file across the network. In this video, you’ll learn which file transfer technologies can be used to send in-the-clear and encrypted information.
Today’s networks use complex protocols to resolve IP addresses, maintain user databases, transfer files, and manage infrastructure devices. In this video, you’ll learn about DHCP, DNS, LDAP and X.500, SNMP, SMB, SSH, and SFTP.
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.
When managing a router, it’s important to ensure that your management traffic is secure. In this video, you’ll learn how to make sure that your router configuration files and network traffic are secure.
The security of the devices on our network must be managed through both physical and technological means. In this video, you’ll learn the importance of good physical security, methods to restrict local and remote access to our devices, and the applications and protocols that you can use to build a more secure networking environment.