sftp Carriage Return (^M) issue query

[Adair, Fraser]

Hi,

I'm looking for some guidance/explanation on an issue we are facing.

We have migrated from RHEL 5.11 to RHEL 7.6 servers VMs (details of OpenSSH and SFTP version below)

On the new (RHEL 7.6) server we are seeing ^M (Windows Carriage Return) characters appearing at the end of records of files transferred to new server.  This does not happen on the old server and we are using exactly the same file transfer, exactly the same files etc. just repointing from one server to the other.

I've trawled internet but I can find no explanation.

Is the difference in OpenSSH version the reason for this happening?

RHEL 5.11
SSH-2.0-OpenSSH_4.3
SFTP protocol version 3

RHEL 7.6
SSH-2.0-OpenSSH_7.4
SFTP protocol version 3

Thanks
Fraser

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