Inbound Traffic Blocked, Check Firewall Settings Portable -
Temporarily disable the firewall to confirm the issue (do not do this in production).
# Test TCP port nc -zv <target-ip> <port> telnet <target-ip> <port> Test with curl (HTTP) curl -v http://<target-ip>:<port> inbound traffic blocked, check firewall settings
Chain INPUT (policy DROP)
The firewall is blocking the incoming (inbound) traffic. Temporarily disable the firewall to confirm the issue
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
sudo iptables -L -n -v Look for a default policy of DROP or REJECT on the INPUT chain. Example blocking line: