AlgoBuzz Blog

Everything you ever wanted to know about security policy management, and much more.

Search
Generic filters
Exact matches only
Search in title
Search in content
Search in excerpt
Search in comments
Filter by Custom Post Type
Posts

How to Build Firewall Policies for East West Traffic

by

Following on from Professor Wool’s previous lesson, this new whiteboard lesson presents a step-by-step process for writing firewall policies for East-West traffic:

  • Deploy firewalls with the default setting of ‘allow’.
  • Use an iterative process of discovering and identifying the legitimate traffic, and then write explicit ‘allow’ rules for all valid business traffic that goes through the segment.
  • Change the default action from ‘allow’ to ‘deny,’ and start filtering traffic in the environment for real to increase security within East-West data center traffic.

Watch this new video to learn more:


Each Professor Wool course examines a core challenge and provides technical tips for managing security policies in evolving enterprise networks and data centers. Courses include:

Subscribe to Blog

Receive notifications of new posts by email.