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How Configuring a Firewall has Changed Over the Last 15 Years

Talkat SecTor 2023 · 2023-10-23..10-26· [security, networking]
slides:none on file

First production firewall is NetScreen integrated with host IPS, configured as broad permit-to-any rules; modern configs move to app-level allow/deny so teams can, for example, block Farmville specifically using Palo Alto style app-ID. Complexity rises from many granular policies and telemetry, so success hinges on correlating multiple data points and consolidating into a platform — often a distributed cloud — to collect logs, match events, and push targeted rules that actually reduce noise.

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