bugzilla-daemon at mindrot.org
2023-Apr-20 09:52 UTC
[Bug 3563] New: Connection terminated just after authentication successful when SFTP Server running inside Azure.
https://bugzilla.mindrot.org/show_bug.cgi?id=3563
Bug ID: 3563
Summary: Connection terminated just after authentication
successful when SFTP Server running inside Azure.
Product: Portable OpenSSH
Version: 8.4p1
Hardware: Other
OS: Linux
Status: NEW
Severity: major
Priority: P5
Component: ssh
Assignee: unassigned-bugs at mindrot.org
Reporter: neeraj.g.gupta at ericsson.com
Created attachment 3691
--> https://bugzilla.mindrot.org/attachment.cgi?id=3691&action=edit
Strace and Tcpdump
SFTP Server :
Azure Blob Storage
SFTP Client : openssh 8.4p1
Command using which tried to make the connection :
When ssh binary using sftp subsystem running on linux machine is trying
to connect to SFTP Server running inside MS Azure.
./ssh -oForwardX11=no -oForwardAgent=no -oProtocol=2 -l
steisevadevsan1.emm -oIdentityFile=/dev/null
-oNumberOfPasswordPrompts=1 -oPreferredAuthentications=password
-oPubkeyAuthentication=no -oRhostsAuthentication=no
-oRhostsRSAAuthentication=no -oRSAAuthentication=no
-oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no -s -oport=22
-vvv 10.250.0.37 sftp?
Connection fails with following error :
Transferred: sent 1936, received 1160 bytes, in 0.1 seconds
Bytes per second: sent 35879.4, received 21498.0
debug1: Exit status 5000
Complete strace and tcpdump are attached.
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