I have been open 443 port, but I can't use 443 link

Rocky Linux Tech Help
1

#firewall-cmd --zone=public --add-port=443/tcp
Warning: ALREADY_ENABLED: ‘443:tcp’ already in ‘public’
success

#sudo firewall-cmd --list-all
public (active)
target: default
icmp-block-inversion: no
interfaces: eth0
sources:
services: cockpit dhcpv6-client ftp http https ssh
ports: 80/tcp 443/tcp
protocols:
forward: yes
masquerade: no
forward-ports:
source-ports:
icmp-blocks:
rich rules:

sudo firewall-cmd --zone=public --add-service=ssh
Warning: ALREADY_ENABLED: ‘ssh’ already in ‘public’
success

BUT 443(https) is error , 80 is normal

2

What error?

Do you see someone listening 443 on output of: ss -tlpn

Services ‘http’ and ‘https’ do open ports 80/tcp and 443/tcp, respectively, so service and port in zone is redundant.