网络访问控制
禁用ipv6
查看ipv6是否开启cat /proc/sys/net/ipv6/conf/all/disable_ipv60 返回0值编辑vim /etc/sysctl.conf#disable ipv6net.ipv6.conf.all.disable_ipv6=1net.ipv6.conf.default.disable_ipv6=1net.ipv6.conf.lo.disable_ipv6=1使脚本生效sysctl -p再次查看ipv6 返回1值cat /proc/sys/net/ipv6/conf/all/disable_ipv6查看安装tcp_wrappers和tcp_wrappers_libs
rpm -qa | grep tcp无安装用yum安装 yum install tcp_wrappers
https://blog.csdn.net/IT_DREAM_ER/article/details/52314704hosts.allow和hosts.deny文件配置正确,已配置文件https://www.cnblogs.com/lsdb/p/7095288.html
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