리눅스 rdate: timeout

Jmnote (토론 | 기여)님의 2016년 3월 2일 (수) 01:52 판
rdate: timeout for

1 rdate -s 테스트

  • 실패
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[root@zetawiki ~]# rdate -s ntp.kornet.net
rdate: timeout for ntp.kornet.net
[root@zetawiki ~]# rdate -s time.windows.com
rdate: timeout for time.windows.com
  • 성공
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[root@zetaweb ~]# rdate time.bora.net
rdate: [time.bora.net]	Wed Mar  2 01:53:23 2016
Copy
[root@zetaweb ~]# rdate time.nist.gov
rdate: [time.nist.gov]	Wed Mar  2 01:53:37 2016

2 37포트 확인

  • 실패
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[root@zetawiki ~]# nc -z ntp.kornet.net 37 -w2
[root@zetawiki ~]# nc -z time.windows.com 37 -w2
  • 성공
Copy
[root@zetawiki ~]# nc -z time.nist.gov 37 -w2
Connection to time.nist.gov 37 port [tcp/time] succeeded!
[root@zetawiki ~]# nc -z time.bora.net 37 -w2
Connection to time.bora.net 37 port [tcp/time] succeeded!
[root@zetawiki ~]#

3 같이 보기