Since support for TLS1.1 will end, detect TLS1.1 communication by packet capture using tshark. Key Points are the following options: -Y "tcp.payload[x:x]" Display filter by TCP payload -M Memory exhaustion countermeasure -w - | tshark -r -…

Airplane in-flight WiFi introduced on some planes. It is a wonderful function to overturn the common sense that it is impossible to use a device that emits radio waves while traveling on an airplane and it can not be contacted with the gro…

One of the tools of network engineers, Ping. Ping is used in network reachability validation to the target device, in it, Ping response time (Latency) from the target device is also included. When the Ping response delay (Latency) is incre…