From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security
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Security zones
From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security
Security zones
- [Instructor] Well designed networks group systems into network segments based upon their security level. Let's talk about some of the more common security zones. We'll begin with the network border firewall. Typical border firewalls have three network interfaces because they connect three different security zones together. One interface connects to the internet or another untrusted network. This is the interface between the protected networks and the outside world. Generally speaking, firewalls allow many different kinds of connections out to this network when initiated by a system on a more trusted network. But they block most inbound connection attempts from the internet, allowing only those that meet the organization's security policy. A second interface connects to the organization's intranet. This it the internal network where most systems reside. This intranet zone may be further subdivided into segments for endpoint…
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