SFTP for backup uses bad protocol


#1

I configured SFTP on Linux and can login:

$ sftp ucm@zfs1.rad-ffm.local
ucm@zfs1.rad-ffm.local's password: 
Connected to zfs1.rad-ffm.local.
sftp> cd ucm
sftp> dir

If I try to make a backup I get this error:

Jul  9 13:30:45 zfs1 sshd[1338]: Bad protocol version identification 'GET / HTTP/1.0' from 10.19.83.100 port 59613
Jul  9 13:30:45 zfs1 sshd[1351]: Accepted password for ucm from 10.19.83.100 port 59614 ssh2
Jul  9 13:30:45 zfs1 sshd[1351]: pam_unix(sshd:session): session opened for user ucm by (uid=0)
Jul  9 13:30:45 zfs1 sshd[1377]: Received disconnect from 10.19.83.100: 11: disconnected by user
Jul  9 13:30:45 zfs1 sshd[1351]: pam_unix(sshd:session): session closed for user ucm

#2

System Information

Model

UCM6510 V1.4B

Part Number

9660002514B

System Time

2019-07-09 15:47:15 UTC+02:00

Up Time

06:24:21

Version Information

Boot

1.0.19.3

Core

1.0.19.2

Base

1.0.19.21

GSWave

1.0.19.21

Lang

1.0.19.21

Program

1.0.19.21

Recovery

1.0.19.2


#3

Strange! Testing will fail, but the scheduled write does work.


#4

I can only say that I have used SFTP without issue. Not with Linux, but given that SFTP is a standard…it works. You might submit a ticket to support. It appears to be related to the request and how it got a HTTP request from one port, but the password was accepted on another.