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2017-09-19
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Was-Hacked.md

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@@ -78,7 +78,14 @@ TOTAL:(总的流量) 12.9GB 229Mb 190Mb 193Mb
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- 如果安全度要更高,可以考虑禁用口令登录,采用私钥/公钥方式:`vim /etc/ssh/sshd_config`
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- 设置属性:PasswordAuthentication 为 no
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- 如果还要限制指定 IP 登录,可以考虑编辑:hosts.allow 和 hosts.deny 两个文件
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- 重要系统软件更新(更新之前最好先做好系统镜像或是快照,以防万一):
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- yum update kernel
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- yum update kernel-devel
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- yum update kernel-firmware
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- yum update kernel-headers
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- yum update openssh
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- yum update openssh-clients
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- yum update openssh-server
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## 资料

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