I have Small Business Server 2003 set up and working, but I have so far kept incoming port 80 closed at the firewall level. I would like to open it for Outlook Web Access, but am concerned about ...

I need to share some files with a friend in Asia. He's behind a shared internet connection and MSn/Yahoo file transfer is blocked and he has no way to configure the router.<BR><BR>So I'm looking for a ...

The traditional port-based enterprise firewall, now looking less like a guard and more like a pit stop for Internet applications racing in through the often open ports 80 and 443, is slowly losing out ...

The recent WannaCry and NotPetya attacks were made possible by gross IT negligence. That they used a purportedly US-developed cyber weapon (which was released by a hacking group called Shadow Brokers) ...

Mac OS X comes with a built-in firewall service that can be used to protect your Mac from online security risks. The firewall sits between OS X and the internet and only allows incoming traffic to ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...