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数据库应用的linux安全等级配置

Jun 07, 2016 pm 03:28 PM
linux Safety shield database use grade Configuration

? 屏蔽CtrlAltDelete键关机的功能 #vi /etc/inittab 将“ca::ctrlaltdel:/sbin/shutdown-r -t 4 now”改为:“ca::ctrlaltdel:/bin/true”,再执行“init q”使更新生效。 ? 会话超时限制 编辑/etc/profile文件: readonlyTMOUT=90;export TMOUT 设置后远程

? 屏蔽Ctrl+Alt+Delete键关机的功能

#vi /etc/inittab

将“ca::ctrlaltdel:/sbin/shutdown-r -t 4 now”改为:“ca::ctrlaltdel:/bin/true”,再执行“init q”使更新生效。

? 会话超时限制

编辑/etc/profile文件:

readonlyTMOUT=90;export TMOUT

设置后远程的字符终端窗口的session将在90秒后自动断开

? 禁用USB存储

# ls/lib/modules/$(uname -r)/kernel/drivers/usb/storage/usb-storage.ko

# mv/lib/modules/$(uname -r)/kernel/drivers/usb/storage/usb-storage.ko /tmp

? 打开文件数目限制

编辑/etc/security/limits.conf文件,加入两行

* hard nofile8192

* soft nofile10240

? 限制root用户通过ssh协议直接登录

#vi/etc/ssh/sshd_config

增加PermitRootLogin no一行

#rcsshdrestart //重启ssh服务

? ip访问控制

只容许特定ip地址通过ssh协议访问服务器。

#vi/etc/hosts.deny

sshd : ALLEXCEPT ip地址

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