Im Trying to connect ftp in oxwall

Im trying to update the plugins in my oxwall site and its requesting the ftp log im trying connect it and im sure that im using the correct credentials and its load for a while and i see the error 502 Bad Gateway.

@BrunoJ said:
Im trying to update the plugins in my oxwall site and its requesting the ftp log im trying connect it and im sure that im using the correct credentials and its load for a while and i see the error 502 Bad Gateway.

Have you read the knowledge base?
This might help:
Nginx 502 Bad Gateway