Fixing SFTP Handshake Failures in GoAnywhere MFT: Part 2

 

🔧 Having trouble connecting to a new SFTP trading partner in GoAnywhere MFT? 
In Part 2 of our SFTP client troubleshooting series, Solutions Engineer, Bill Stubbles, walks through how to diagnose and fix connection issues when basic tests (network access, routing, credentials) already pass — but the SFTP handshake still fails.

You’ll learn how to:

  • Compare a successful SFTP session log (from tools like WinSCP or FileZilla) with your GoAnywhere debug logs
  • Identify mismatched key exchange (KEX) algorithms, host key signature algorithms, and cipher settings
  • Tune your GoAnywhere SFTP Resource to match the server’s requirements
  • Use debug logging to analyze the full SFTP handshake and pinpoint the exact failure
  • Validate your adjustments and confirm a successful authentication flow

By following this method, you can quickly move from failed handshakes to working connections — and get your integrations back on track.

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