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前言
(1) ICMP
ping www.baidu.com //ICMP
tracert baidu.com //ICMP
(2) TCP/UDP
telnet 192.168.1.108 22 //TCP
nc -zv 192.168.1.108 80 //TCP
nc -zuv 192.168.1.108 80 //UDP
(3) HTTP/HTTPS
curl http://www.baidu.com //HTTP
curl https://www.baidu.com //HTTPS
Linux:wget、curl
Windows:certutil、powershell、bitsadmin、regsrv......
(4) DNS
dig @8.8.8.8 www.baidu.com //DNS
nslookup www.baidu.com 8.8.8.8 //DNS
参考链接
-
http://aiyuanzhen.com/index.php/archives/232/
原文始发于微信公众号(betasec):常规判断主机是否能够出网的4种方式!
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