Network-based firewalls are usually hardware that safeguards a big network. Host-based firewalls are made for individual devices and are software.

Out of the box, Linux is a highly secure operating system, but does that mean you can get by without a bit of help? Let's find out.

Networks firewalls are seen by some observers as an anachronism in an industry obsessed with the latest and shiniest security tools. Networks firewalls aren’t sexy.

Firewall software on your network servers or individual computers provide an extra level of security, and they're often used in conjunction with hardware firewalls.

An obtrusive firewall can prevent computers from interacting, mirroring a network connectivity issue. However, a firewall problem and a network connectivity issue are not the same thing.

A firewall can help prevent hackers or malicious software from gaining access to your Windows 10/8/7 computer through a network or the Internet.

Fix for Windows Firewall is preventing connections to your computer, The Windows Firewall rule HSS DNS Leak Rule may be blocking your connection message.

Despite the advancement in cybersecurity over the past three decades, firewalls are still a cornerstone of network security and instead of going anywhere, are actually evolving.

Several sources report the firewall in macOS Sequoia can sometimes leak data after an update. Here's how to test and fix it.