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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 authentica-
     tion.

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,
	     readable 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

NAME | SYNOPSIS | DESCRIPTION | FILES | SEE ALSO | AUTHORS | HISTORY

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