1. Rob

    How to test open UDP ports

    You've opened a UDP port on your server but not sure how to check if you can reach it from the outside. When testing TCP ports, you can check with tools like nmap or nc only from the outside, but the nature of UDP is that it doesn't send anything back so you need to monitor the port on the...
  2. J

    UDP listen on the secondary interface

    Hi, I want to listen to UDP packets on the secondary interface (my own program, but this is reproducible with netcat as well). I have an ubuntu 16.04.02 LTS system, with 2 different network interfaces: ethernet - 10.x.x.x wifi - 192.168.x.x The routing table is the default one...