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Full Discussion: scp over multiple hops
Top Forums Shell Programming and Scripting scp over multiple hops Post 303021668 by stomp on Tuesday 14th of August 2018 09:56:16 AM
Old 08-14-2018
Generally the way you try it is the way it works.


Quote:
but still it does not work..
What's the error message?

Did you try to run your command with increased verbosity? (ssh -v or even ssh -vv)

Btw.: You need your public key(of server A) placed in authorized_keys of both target hosts(server B+C) for pubkey authentication to work here.


The difference in doing it directly one step after another is that in the manual hopping, user on server a authenticates to user on server b and then user on server b authenticates to server c. With SSH-Proxying, first user on server a authenticates to server b and then user on server a(not b!) authenticates to server c.


You either have to deposit key from server a at server c or import private key from server b to server a, to grant a access to server c, which is not required if you manually login via your jumphost.

Last edited by stomp; 08-14-2018 at 11:07 AM..
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sftp-server(1M)                                           System Administration Commands                                           sftp-server(1M)

NAME
sftp-server - SFTP server subsystem SYNOPSIS
/usr/lib/ssh/sftp-server DESCRIPTION
sftp-server implements the server side of the SSH File Transfer Protocol as defined in the IETF draft-ietf-secsh-filexfer. sftp-server is a subsystem for sshd(1M) and must not be run directly. There are no options or config settings. To enable the sftp-server subsystem for sshd add the following to /etc/ssh/sshd_config: Subsystem sftp /usr/lib/ssh/sftp-server See sshd_config(4) for a description of the format and contents of that file. There is no relationship between the protocol used by sftp-server and the FTP protocol (RFC 959) provided by in.ftpd. EXIT STATUS
The following exit values are returned: 0 Successful completion. >0 An error occurred. FILES
/usr/lib/sftp-server ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsshdu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
sftp(1), ssh(1), ssh-add(1), ssh-keygen(1), sshd(1M), sshd_config(4), attributes(5) To view license terms, attribution, and copyright for OpenSSH, the default path is /var/sadm/pkg/SUNWsshdr/install/copyright. If the Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed location. AUTHOR
Markus Friedl SunOS 5.10 30 Jul 2003 sftp-server(1M)
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