linux centos7 系统内核参数调优与tomcat nginx zabbix mysql php总结
cat/etc/sysctl.confCTCDN系统优化参数关闭ipv6net.ipv6.conf.all.disable_ipv6=1net.ipv6.conf.default.disable_ipv6=1避免放大攻击net.ipv4.icmp_echo_ignore_broadcasts=1开启恶意icmp错误消息保护net.ipv4.icmp_ignore_bogus_error_respo