Beyond selecting topologies and system placement, consultants charged with managing their customer's firewalls should keep a close eye on the audit logs, as they're a veritable goldmine of network security intelligence. This tip outlines four areas where basic log analysis can provide valuable firewall management data.
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Auditing firewall activity
Once you've made it through the challenging phases of firewall selection and architecture design, you're finished setting up a DMZ, right? Your rulebase should remain stable and you'll never have a need to make configuration changes. We can only dream!
Here are some ways to leverage the logging capabilities of your customer's real world firewall to help keep things in order.
- Monitor rule activity
- Traffic flows
- Rule violations
- Denied probes
Get an expanded list of these four areas to concentrate on when auditing firewall activity on your customer's network.
Get more tips on building a firewall architecture.