Notepad++ NppFTP won't connect over SFTP

Question

I have used the same SFTP profile in notepad++/NppFTP for a year now, but as of yesterday it won't connect to my site, it pops the error message:

[SFTP] Connection failed : kex error : no match for method kex algos: server [diffie-hellman-group-exchange-sha256], client [[email protected],ecdh-sha2-nistp256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1]

I have tried WinSCP and SFTP works there without issues.

Also tried installing notepad++ on another machine and trying from there. Same issue. It won't even ask if I trust the server as it always does when connecting for the first time from a new machine.

Any ideas?

I can verify that I am also getting this error. It has been annoying me all this week. I have not changed any settings. I assume it has something to do with a Windows Update. — Remixie

Sabir Abdul Gafoor Shaikh Sabir Abdul Gafoor Shaikh · Accepted Answer · 2018-07-11T17:17:59

I was facing the same issue and after giving an hour I found a solution.

It's happen after windows get upgraded.

Here is the solution:

Open Windows firewall, go to Control Panel > System and Security > Windows Firewall > Allow an app or feature through Windows Firewall (Windows Defender Firewall > Allow an app or feature through Windows Defender Firewall

See the below screenshot, you just need to allow the private and public access

if you are facing for FileZilla then repeat the same thing. It should work

Notepad++ NppFTP won't connect over SFTP

1 Answers