A firewall is a device that protects you from a possibly hostile network by monitoring and restricting TCP/IP communications based on the policies that you set. The device is traditionally dedicated ...

Cisco's Mesh Policy Engine supports its own firewalls as well as third-party firewalls from vendors including Palo Alto Networks, Fortinet, and Juniper.

Firewall architectures have been changing for 35 years, sometimes to accommodate better technology and hardware, but just as ...

Other things have changed, too. Today, standalone firewall products are more the exception than the rule. I took a look at five major firewalls on the market today, and almost everything that came my ...

Open Systems OT Firewall also includes technical support from Open Systems’ expert team to help customers successfully implement thorough network segmentation on the OT firewall. Many manufacturing ...

NEW YORK, Jan. 26, 2026 /PRNewswire/ -- NeuralTrust is introducing the Generative Application Firewall (GAF) through the ...

Default deny.

In a surprising turn of events, Microsoft has issued yet another statement regarding an error that impacted Windows Firewall with Advanced Security. While the company ...

If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

Security is the name of the game at Cisco’s Partner Summit gathering this week with the rollout of a new firewall and added data-loss prevention (DLP) and passwordless authentication features to its ...

Firewalls monitor and regulate the data moving on and off your computer or network. They can keep criminals out while allowing legitimate network traffic in. Mac OS X comes with not one but two ...