Inbound Traffic Blocked, Check Firewall: Settings

# Test TCP port nc -zv <target-ip> <port> telnet <target-ip> <port> Test with curl (HTTP) curl -v http://<target-ip>:<port>

sudo firewall-cmd --list-all Check the services and ports sections. If your port is missing, inbound traffic is blocked. inbound traffic blocked, check firewall settings

sudo iptables -L -n -v Look for a default policy of DROP or REJECT on the INPUT chain. Example blocking line: # Test TCP port nc -zv &lt;target-ip&gt; &lt;port&gt;

Get-NetFirewallRule | Where-Object $_.Direction -eq 'Inbound' -and $_.Enabled -eq 'True' | Format-Table DisplayName, Action Use with caution; only for testing. Action Use with caution