Inbound Traffic Blocked, Check Firewall Settings -

If problems persist, check for conflicting VPNs, proxy settings, or SELinux (Linux) which can also deny network access independently of the firewall.

If the service is not listening on the expected port, the firewall isn’t the issue. Linux (iptables / nftables / firewalld / ufw) Using iptables (legacy): inbound traffic blocked, check firewall settings

Chain INPUT (policy DROP)