🥰 docker 간 통신이 되지 않을 때 확인 방법

[root@regi ~]# firewall-cmd --list-all
public (active)
  target: default
  icmp-block-inversion: no
  interfaces: enp0s3
  sources:
  services: cockpit dhcpv6-client ssh
  ports:
  protocols:
  masquerade: no
  forward-ports:
  source-ports:
  icmp-blocks:
  rich rules:

masquerade: no 가 masquerade: yes로 되어야 함.

 

해결 방안

firewall-cmd --zone=public --add-masquerade