We have support server where would need to upload the snap data to IBM using proxy connection. We have already whitelisted the Server IP Address on the proxy side, Tried the ssh -J proxyjump option getting connection closed error. ssh_exchange_identification: Connection closed by remote host.
Server IP: 10.88.35.12
Proxy Server Details: 10.83.9.75 port: 8080
IBM SFTP Server Details: sftp.ecurep.ibm.com Port: 22