https://net.nthu.edu.tw/netsys/ 2026-04-13T11:09:57+08:00 https://net.nthu.edu.tw/netsys/ https://net.nthu.edu.tw/netsys/_media/wiki:favicon.ico text/html 2018-07-25T14:03:50+08:00 https://net.nthu.edu.tw/netsys/en:dns:open_resolver Problems with Open DNS Resolver * {{wiki:notice.png}} Starting on 2014/01/20 (A), an IP address will automatically be blocked if open DNS resolver is detected. Users must correct the problem to avoid being blocked from the network. See Abused Network Usage if you were blocked.