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I'm trying to configure SFTP server on my laptop with freeSSHd and freeFTPd. I have no problem to connect by private IP address (tested with WinSCP). The problem comes when I'm trying to connect by public IP - message is "Searching for host" and then after few seconds "Network error. Timeout".
- I configure router's port forwarding on port 22 to my local IP with TCP protocol
- SFTP server is running (Listen address: myprivateIP, port: 22)
- SSH server is running (Listen address: myprivateIP, port: 22)
- I set inbound rule in firewall on port 22
- I tried turn off firewall for test
- I have static IP on my laptop
What could be the reason of no connection by public address? Thanks for help.
Search this site for "NAT loopback" or "hairpin NAT". For example https://superuser.com/questions/135366/
– user1686 – 2019-10-18T09:04:07.950