

Mechanisms can be defined policies, allow/deny rulesets, and other guidelines that specify how traffic should be treated based on its characteristics. Network firewalls enforce policy based on access control mechanisms. and the globally recognized Payment Card Industry Data Security Standard (PCI DSS). Network firewall security is often required to achieve security, privacy, and compliance mandates, such as the Federal Information Security Modernization Act (FISMA) in the U.S.

After analyzing the characteristics of the traffic, the network firewall blocks or allows traffic based on established firewall policy. Network firewalls analyze inbound and outbound network traffic, checking for IP address, communication protocols, content type, and other traffic characteristics. HPE FlexFabric and FlexNetwork Switches.
