$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.19 2 u 482 1024 377 27.250 0.012 0.904 *210.173.160.57 133.243.236.…

Nov 23 02:56:20 ns kernel: Packet log: input DENY ppp0 PROTO=6 210.77.152.147:2007 210.138.41.6:111 L=60 S=0x00 I=21712 F=0x4000 T=46 SYN (#34) Nov 23 03:20:41 ns kernel: Packet log: input DENY ppp0 PROTO=6 195.232.53.9:21 210.138.41.6:21 …