A savvy client of mine who sells hosted VoIP services recently called me with a serious problem. Calls made to my client’s customers from some mobile devices supported by two wireless providers ...
Yesterday I was explaining NATs and SSH tunnels/VPNs and how having a system with a public IP can help two random hosts to communicate. Is there a good book (or MOOC course, I guess) that I can point ...
The Layer 2 Tunneling Protocol (L2TP) is a standard protocol for tunneling L2 traffic over an IP network. Its ability to carry almost any L2 data format over IP or other L3 networks makes it ...