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Full Discussion: Configured sftp still requires password
Top Forums UNIX for Advanced & Expert Users Configured sftp still requires password Post 302178944 by curleb on Wednesday 26th of March 2008 04:10:26 PM
Old 03-26-2008
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Let's step back a second and revisit the key pair that you'd generated. From your post:

Quote:
I used 'ssh-keygen -b 1024 -P "" -t dsa' to generate the Public-Key
Passphrase has apparently gained the misnomer of equal to the password, unfortunately. It's not, and it's intended to serve as a means to ensure public sharing of the key-pair without granting full account access to the remote host. Also, you don't need (or want) to specify your passphrase (ie, -P "") on the command-line, as it can be used against you, should anyone gain access to your key-pair and/or .sh_history file.

Instead of using -P (which is really intended to allow for revision of the passphrase in a given key-pair), let the ssh-keygen program prompt you for your passphrase. Leave all other switches as they are, but scratch the
Code:
-P ""

options. The program will prompt you for the empty passphrase..to which you'll just enter twice. It doesn't matter what key type you're creating either..same goes for rsa and dsa.

Lastly, just be sure that you're placing the Public Key into the remote user's .ssh directory as well. You don't have to have identical users between the machines..or even have separate machines for that matter (ie, unilover@localhost can access unilever@localhost, much the same as unilover@localhost can access unilever@remotehost or unilover@remotehost). So long as the key placement is done right..you can automate the login with an empty passphrase.

HTH
 

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LEARN ABOUT SUNOS

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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