Wireless networks wouldn’t be a very useful networking medium without cryptography. In this video, you’ll learn about wireless encryption, WPA2, WPA3, SAE, and more. << Previous Video: Other Network Appliances Next: Wireless Authentication Methods >> When we’re using our wired networks, we don’t have to worry so much about other people listening in to what […]
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A layered approach to network security is always the best. In this video, you’ll learn about jump servers, hardware security modules (HSM), and sensors and collectors. << Previous Video: Intrusion Prevention Next: Wireless Cryptography >> One of the challenges we have when we’re administering our network and our servers is to be able to provide
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Intrusion prevention is a useful way to block known vulnerabilities. In this video, you’ll learn about passive monitoring, out-of-band responses, inline monitoring, and in-line responses. << Previous Video: Proxy Servers Next: Other Network Appliances >> A network based intrusion detection system or more commonly a network based intrusion prevention system. It’s designed to look at
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A proxy can control traffic on complex enterprise networks. In this video, you’ll learn about forward proxies, reverse proxies, and open proxies. << Previous Video: Network Access Control Next: Intrusion Prevention >> A proxy server is a device that sits between the users and the rest of the network. This proxy server usually receives requests
Network access control (NAC) is an important part of IT security. In this video, you’ll learn about posture assessments, compare persistent and dissolvable agents, and agentless NAC. << Previous Video: Firewalls Next: Proxy Servers >> There are a number of different ways to control access to your network. When we’re setting up a firewall on
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The firewall is a staple of IT security. In this video, you’ll learn about stateless vs. stateful firewalls, UTMs, next-generation firewalls, web application firewalls, and more. << Previous Video: Secure Networking Next: Network Access Control >> If you’re connected to the internet at home or in your office, then you are using a firewall to
A secure network will include a number of different security controls. In this video, you’ll learn about DNSSEC, out-of-band management, QoS, taps, port mirrors, and more. << Previous Video: Port Security Next: Firewalls >> In the previous video, we describe some of the DNS security mechanisms that we’ve recently created. Because originally DNS was built
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We have many security protections that can be applied to our switch and router interfaces. In this video, you’ll learn about broadcast storm control, loop protection, DHCP snooping, MAC filtering, and more. << Previous Video: Virtual Private Networks Next: Secure Networking >> In this video, we’re going to talk about port security. We’re talking about
We use VPNs to maintain the security of our data over insecure networks. In this video, you’ll learn about SSL VPNs, HTML5 VPNs, L2TP, IPSec, and more. << Previous Video: Network Segmentation Next: Port Security >> A Virtual private network, or VPN is a way to send data securely through a network that normally would
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Network segmentation is a common security control, and there are many ways to implement segmentation. In this video, you’ll learn about VLANs, screened subnets, extranets, intranets, and more. << Previous Video: Load Balancing Next: Virtual Private Networks >> IT security is all about segmentation. It’s about allowing or disallowing traffic between different devices. We can
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