linux设置防火墙一直失败,centos7防火墙启动失败
centos7中firewalld启动失败我不知道是不是哪里设置错了，导致使用命令sudo systemctl start firewalld无法启动查看/var/log/firewalld日志显示如下2018-04-03 14:36:13 WARNING: ICMP type 'beyond-scope' is not supported by the kernel for ipv6.2018-...
