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Full Discussion: passwordless authentication of SFTP script
Top Forums Shell Programming and Scripting passwordless authentication of SFTP script Post 302157444 by uday.shankar on Friday 11th of January 2008 01:54:57 AM
Old 01-11-2008
passwordless authentication of SFTP script
Dear All
I need to discuss about the problem which has been discussed so many times here. I need to transfer a file from server A to server B via passwordless SFTP script. By reading the threads on this topic here, I followed the below steps but still it's not working ..

Pls find the steps below:
a) Logged in Server An with user Id 'informat' and corresponding passowrd.Home directory is '/opt/informatica'

b) Created the keys in server 'A' with the following command.
/user/local/bin/ssh-keygen -t rsa

c) Copied the public key in id_rsa.pub file under /opt/informatica/.ssh directory of server 'A'

d) Copied the 'id_rsa.pub' file to 'authorized_key' file in /opt/informatica/.ssh directory in serber 'B'

e) Grant 777 privileges to authorized_key file in server 'B'

f) Logged into server 'A' with 'informat' user ID

g) Executed the sftp command for server B
sftp informar@B

h) But it is still prompting for password, where as it should not be because of key based authentication. Can some one pls help me where am I going wrong ..

Thanks in advance
 

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LEARN ABOUT POSIX

sftp-server

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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