Network, Systems and Security Administration
An open network port isn’t automatically a security problem. That’s an important distinction that often gets lost when people talk about port scanning. A server might legitimately have TCP 443…
Port security looks simple when you first come across it. Limit the number of MAC addresses on a switch port, decide what happens when something unexpected appears, and you are…
Intermittent packet loss is one of those network problems that can waste an enormous amount of time. The network works. Then it doesn’t. A Teams call becomes choppy, an RDP…
Cisco Expressway provides a way for organisations running Cisco Unified Communications Manager to extend collaboration services to users outside the corporate network. For Mobile and Remote Access (MRA), the deployment…