O'Reilly logo

Hyper-V Security by Andy Syrewicze, Eric Siron

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Employing Hyper-V virtual switch ACLs

The Hyper-V virtual switch doesn't include a full-fledged firewall, but it does have one of the firewall's most important yet basic features. Access control lists (ACLs) are simple definitions of traffic rules that allow or deny particular communication types. The basic port ACL was introduced to Hyper-V in the 2012 version, and the extended ACL was part of the 2012 R2 release.

A firewall defines its rules from the perspective of the firewall itself. It controls traffic as it passes through. In contrast, a Hyper-V port ACL is defined directly on virtual adapters and works from their perspective. It's important to remember this as you create ACLs.

The key to the ACL is that it is a list. The most meaningful way ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required