How to test an SFTP connectionTo test an SFTP connection, attempt to connect with your host, port, username, and password or key. A successful directory listing confirms the server is reachable and your credentials are valid; an error message tells you what to fix.Quick checks

Confirm the host resolves and port 22 (or your custom port) is open.

Verify your username and password or SSH key.

Connect and list a directory to confirm access.

The easiest wayUse FlowSetu's browser-based SFTP connection tester. Enter your details, connect, and it reports reachability, authentication, and directory access with the exact server error if anything fails - no install needed.Related guides

SFTP port 22

How to connect to an SFTP server

Free SFTP server for testing

Try the free online SFTP client — connect to any SFTP server from your browser, no install required.