From the course: Cisco Catalyst SD-WAN Foundations

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Application-aware enterprise firewall

Application-aware enterprise firewall - Cisco Switches Tutorial

From the course: Cisco Catalyst SD-WAN Foundations

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Application-aware enterprise firewall

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- [Instructor] Firewalling is one of the basic yet essential form of network security that organizations rely on. Over the years, the firewalling functionality was performed by separate hardware appliances that sit behind WAN Edge routers. Cisco has taken a more modern security approach and has integrated an application of their enterprise firewall directly into the firmware of WAN Edge routers. The firewall is represented as a localized security policy or firewall policy, which brings all the benefits that the policy framework provides. A proper firewall provides protection of stateful TCP sessions, enables logging, and ensures that a zero trust domain is implemented between segments in the network. Traditional branch firewall design involves deploying the appliance in either In-line Layer 3 mode or Transparent Layer 2 mode behind or ahead of the WAN Edge router. This adds additional complexity to the enterprise…

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