firewall-cmd http 穴あけ
動いているか、有効なモノを確認
# firewall-cmd --state running # firewall-cmd --list-services dhcpv6-client ssh
http を追加
# firewall-cmd --add-service=http success # firewall-cmd --list-services dhcpv6-client http ssh
# firewall-cmd --state running # firewall-cmd --list-services dhcpv6-client ssh
# firewall-cmd --add-service=http success # firewall-cmd --list-services dhcpv6-client http ssh