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Network Security Tip of the Week [3] – Firewall Change Management


This week’s network security tip is around a theme we’ve been examining over the past few weeks: firewall change management. This tip from Pedro, an engineer in Portugal, is fundamental, but oftentimes it’s forgotten/not done properly.

“Keep a historical change log of your firewall policy, so you can return to safe harbor in case something goes wrong. A proper change log should include the reason for the change, the requester and approval records. These logs also help keep track of all changes made and why they have occurred.”

As always, please share your own tips by commenting on this blog or sending us a Direct Message on Twitter via @AlgoSec.

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