Default deny.

While the firewall in OS X is meant to be straightforward and simple, the idea of which settings are preferred can be a little confusing. Topher Kessler MacFixIt Editor Topher, an avid Mac user for ...

The firewall is one of the most important security features in a computer environment. In the classic sense, a firewall is set up on an appliance, such as a computer that fulfills just a single, ...

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 ...

In today's world of permanent Internet connectivity, whether through Wi-Fi or Ethernet, a firewall is an essential component of your device's security. This software – or in some cases, a separate ...

I’ve been using and configuring firewalls for 10-plus years — perimeter, software, hardware, Windows, Linux, and BSD variants. Until recently, I’ve never had occasion to try or use a Juniper Networks ...

The first thing you should do is click on the Restore Settings placed right below the error message and see if the issue is resolved. Sometimes, Windows revert back ...

One of the cornerstones of any home lab is a powerful firewall to learn the ins and outs of traffic control, packet inspection, and other important security tools. While there are a ton of options for ...