Inbound Traffic Blocked, Check Firewall Settings | Real & Complete

sudo pfctl -s rules Disable temporarily:

sudo iptables -L -n -v Look for a default policy of DROP or REJECT on the INPUT chain. Example blocking line: inbound traffic blocked, check firewall settings

sudo firewall-cmd --list-all Check the services and ports sections. If your port is missing, inbound traffic is blocked. sudo pfctl -s rules Disable temporarily: sudo iptables

# Linux / macOS sudo netstat -tulpn | grep LISTEN # or ss -tuln netstat -an | findstr "LISTENING" inbound traffic blocked, check firewall settings

Temporarily disable the firewall to confirm the issue (do not do this in production).

Issue: Users or services cannot connect to your server, application, or device from an external network (e.g., the internet or another subnet). Connection attempts time out or are actively rejected.

Chain INPUT (policy DROP)