转：netstart 中udp6和tcp6对ipv4访问兼容

 参考:https://serverfault.com/questions/961647/how-to-set-a-port-to-listen-on-udp-instead-of-udp6

This is not a problem. Try sending UDP to this service.

AF_INET6 address family also works for IPv4. With both the Linux network stack, and the presumably Java application given the process name you have listening.