I've enabled some ports (80, 443) in sudo ufw allow 80/tcp & sudo ufw allow 443/tcp.
But those ports are still blocked.
Few days ago, I added permanent zone using sudo firewall-cmd --add-port 2224/tcp --permanent & sudo firewall-cmd --reload. This means 2224 port is only opened.
But what does ufw mean. Why allowing port using ufw doesn't work? It only worked when allowed from firewall-cmd.
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