The operating system is Windows XP SP2 w/ Firewall turned on. The problem is the exception box no longer pops up and adding exceptions to the list doesn't allow access to program. No other firewall ...

A flaw in Windows Firewall may prevent users from seeing all the open network ports on a Windows XP or Windows Server 2003 computer. The flaw manifests itself in the way the security application ...

Mitch Tulloch is a Microsoft Most Valuable Professional and lead author of the Windows 7 Resource Kit from Microsoft Press. You can follow him on Twitter at ...

Windows XP comes with a built-in firewall called Windows Firewall. For people who do not want to spend the money on a commercial software firewall, this firewall will be more than enough to protect ...

These days, using a PC without a firewall installed makes about as much sense as leaving the house without wearing any pants. We’re not talking about the firewall built into your broadband router here ...

Want to manage multiple firewalls for different domains at the same time? Microsoft Windows 7 makes that possible. With Windows Vista, Microsoft introduced the concept of network locations, whereby ...

Mitch Tulloch is a Microsoft Most Valuable Professional and lead author of the Windows 7 Resource Kit from Microsoft Press. You can follow him on Twitter at ...