Networking, Firewall, The Network Tree IPv4

For IT Pros: This page contains visual information about how to calculate IP address ranges for use with the campus firewall groups.

NOTE: This information is now considered legacy.  Moving forward with both IPv4 and IPv6 networks, it is strongly encouraged to specify only a single firewall policy for the entire network range.

Refer to this page for more details: Networking, Firewall, Service Participation

Introduction to the visual approach

Keywords:IP address, ranges, firewall, firewall groups, Powers of Two, Fully Closed, nodes, netmasks, Service Participation   Doc ID:47917
Owner:Network E.Group:University of Illinois Technology Services
Created:2015-03-03 11:19 CDTUpdated:2020-07-22 11:39 CDT
Sites:University of Illinois Technology Services
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