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Full Discussion: SFTP user include/exclude without preventing SSH login
Operating Systems Linux Red Hat SFTP user include/exclude without preventing SSH login Post 302784425 by rbatte1 on Friday 22nd of March 2013 07:34:01 AM
Old 03-22-2013
It still doesn't let me explicitly allow/prevent people SFTP access though. They would merely have to re-direct to the alternate port, and that sort of info will need to be published to those people/servers that we do want to have SFTP access.

For a server to have access, we'd have to update the client side ssh_config I suppose, but that will mean any user of that server could then open the connection to the alternate SSH port that we want to protect by default.


Am I missing something? By the way, I'm hoping that any SSH connection with a command will execute /etc/profile first. Is that the case? If not, then I'm lost, because a user could just:-
Code:
ssh user1@server1 "cat secure_file" > my_copy
vi my_copy
cat my_copy | ssh user1@server1 "dd of=secure_file"

Am I just depressing myself unnecessarily?


Robin
 

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LEARN ABOUT REDHAT

ssh-keysign

SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME

     ssh-keysign -- ssh helper program for hostbased authentication

SYNOPSIS

     ssh-keysign

DESCRIPTION

     ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during hostbased authentication with
     SSH protocol version 2.

     ssh-keysign is disabled by default and can only be enabled in the the global client configuration file /etc/ssh/ssh_config by setting
     HostbasedAuthentication to ``yes''.

     ssh-keysign is not intended to be invoked by the user, but from ssh(1).  See ssh(1) and sshd(8) for more information about hostbased authen-
     tication.

FILES

     /etc/ssh/ssh_config
	     Controls whether ssh-keysign is enabled.

     /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key
	     These files contain the private parts of the host keys used to generate the digital signature.  They should be owned by root, read-
	     able only by root, and not accessible to others.  Since they are readable only by root, ssh-keysign must be set-uid root if hostbased
	     authentication is used.

SEE ALSO

     ssh(1), ssh-keygen(1), ssh_config(5), sshd(8)

AUTHORS

     Markus Friedl <markus@openbsd.org>

HISTORY

     ssh-keysign first appeared in OpenBSD 3.2.

BSD
								   May 24, 2002 							       BSD
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