作業環境 hostnamectl status Static hostname: localhost.localdomain Icon name: computer-vm Chassis: vm ~ Virtualization: kvm Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 3.10.0-693.2.2.el7.x86_64…

CentOS7 - ipset + firewalld or iptables 国別アクセス制御