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.

Firewalls can be combined with an intrusion prevention system (IPS) and sometimes a VPN. Firewall Capabilities We’ve established that a firewall prevents malicious attacks.

Firewall protection needs to be part of your overall plan for computer security. That might also include a clear set of written policies about the use of external networks, bringing disks or flash ...

Hardware firewalls are router or modem-based and offer the best protection to anything behind that firewall – a computer or an entire network.

Bill Cheswick will deny that he invented computer firewalls, but it’s what the modest computer security researcher is really known for. He literally wrote the book on it in 1994. Chesiwck ...

Use these free online Firewall Test & Post Scan services to probe your firewall for any potential vulnerabilities that are likely to target your computer.

Hardware firewalls won't slow down your computer because the firewall unit uses its own resources to evaluate connections, not your computer's.

Firewalls, in addition to NAT, provide a whole bunch of other tools for protecting your network. First, they allow you to control connectivity to individual ports on your computer.