第二次用 ssh root@7.74.229.224 远程登录不响应、超时。

Last login: Fri Mar  8 15:51:39 on ttys000

guojiangdeMacBook-Pro:~ guojianghou$ ssh root@7.74.229.224

ssh: connect to host 7.74.229.224 port 22: Operation timed out

guojiangdeMacBook-Pro:~ guojianghou$ ping 47.74.229.224

PING 47.74.229.224 (47.74.229.224): 56 data bytes

Request timeout for icmp_seq 0

64 bytes from 47.74.229.224: icmp_seq=1 ttl=49 time=48.440 ms

64 bytes from 47.74.229.224: icmp_seq=2 ttl=49 time=159.454 ms

64 bytes from 47.74.229.224: icmp_seq=3 ttl=49 time=48.167 ms

64 bytes from 47.74.229.224: icmp_seq=4 ttl=49 time=56.669 ms

64 bytes from 47.74.229.224: icmp_seq=5 ttl=49 time=76.743 ms

64 bytes from 47.74.229.224: icmp_seq=6 ttl=49 time=48.573 ms

64 bytes from 47.74.229.224: icmp_seq=7 ttl=49 time=48.700 ms

64 bytes from 47.74.229.224: icmp_seq=8 ttl=49 time=48.298 ms

64 bytes from 47.74.229.224: icmp_seq=9 ttl=49 time=48.796 ms

Request timeout for icmp_seq 10

64 bytes from 47.74.229.224: icmp_seq=11 ttl=49 time=48.476 ms

64 bytes from 47.74.229.224: icmp_seq=12 ttl=49 time=47.967 ms

64 bytes from 47.74.229.224: icmp_seq=13 ttl=49 time=56.815 ms

64 bytes from 47.74.229.224: icmp_seq=14 ttl=49 time=48.563 ms

64 bytes from 47.74.229.224: icmp_seq=15 ttl=49 time=48.941 ms

64 bytes from 47.74.229.224: icmp_seq=16 ttl=49 time=54.279 ms

64 bytes from 47.74.229.224: icmp_seq=17 ttl=49 time=48.217 ms

64 bytes from 47.74.229.224: icmp_seq=18 ttl=49 time=48.750 ms

64 bytes from 47.74.229.224: icmp_seq=19 ttl=49 time=49.293 ms

64 bytes from 47.74.229.224: icmp_seq=20 ttl=49 time=48.623 ms

Request timeout for icmp_seq 21

64 bytes from 47.74.229.224: icmp_seq=22 ttl=49 time=48.466 ms

64 bytes from 47.74.229.224: icmp_seq=23 ttl=49 time=48.385 ms

64 bytes from 47.74.229.224: icmp_seq=24 ttl=49 time=48.978 ms

64 bytes from 47.74.229.224: icmp_seq=25 ttl=49 time=48.386 ms