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Full Discussion: Problems with SSH / telnet
Operating Systems AIX Problems with SSH / telnet Post 302248174 by bakunin on Friday 17th of October 2008 05:07:44 AM
Old 10-17-2008
I checked with a colleague who happened to know the Tectia product: the difference is that normal ftp can provide a chrooted environment for every user, but the sftp can't do that, at least not out of the box, while Tectias sftp does have this functionality.

This might be perceived as being "more secure" to people who have no idea at all how ftp really works, which is, sad to say, quite often the case in auditing teams who in turn come up with some some "security-enhancement" which in fact is just plain silliness. I have once heard a default umask of 777 mentioned as desirable from such folk. Its usually the administrators who have to suffer from these, ahem, ideas.

Sorry, this won't help you with your problem but now i feel some relief. ;-))

bakunin

PS: I strongly suggest that you find out if this functionality is really needed at all in your case and if it isn't (which is most likely the case) you switch to openSSL products as suggested by Neo and shockneck. And i hop this helps.

bakunin
 

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LEARN ABOUT OPENDARWIN

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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