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Network Security Tip of the Week [5]

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This week’s network security tip has to do with turning on logs for firewall rules. With complex network security environments, there is a lot of connectivity that is allowed/blocked by firewalls. When network traffic issues occur, having logging on the firewall rules can facilitate troubleshooting. Enrico, a senior security consultant from Italy embellishes on this and suggests the following…

“Always enable logging on Permit/Deny rules. This helps you to:

  1. Have evidence in case of an intrusion
  2. Troubleshoot routing (i.e.: asymmetric routing)
  3. Troubleshoot application communication matrix
  4. Make the best use of automated tools for optimization and analysis based on historical traffic.”

 

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