[virtualbox] 防火牆加入nginx-port
★★★ 加入自行指定的連接埠 ★★★
# sudo firewall-cmd --add-port=8080/tcp --permanent
success
# sudo firewall-cmd --reload
success
# sudo firewall-cmd --list-all
public (default, active)
interfaces: ens160
sources:
services: dhcpv6-client dns ssh
ports: 8080/tcp
masquerade: no
