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华为公有云linux服务器上ssh登录的安全加固-年轻人，少吐槽，多搬砖
source link: http://blog.51cto.com/11555417/2140082
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linux服务器主要是通过ssh进行登录，但是在华为共有云上，如何保证登录安全性呢？本次以centos7为例修改默认端口在linux上，修改ssh登录的默认端口，比如修改到5000vim/etc/ssh/sshd_config在第17行，将注释#删掉，修改为port5000'增加iptables开放端口5000配置iptables#iptables-IINPUT-ptcp-mstate--
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