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1 | SSH-KEYSIGN(8) System Manager's Manual SSH-KEYSIGN(8) | ||
2 | |||
3 | NAME | ||
4 | ssh-keysign - ssh helper program for hostbased authentication | ||
5 | |||
6 | SYNOPSIS | ||
7 | ssh-keysign | ||
8 | |||
9 | DESCRIPTION | ||
10 | ssh-keysign is used by ssh(1) to access the local host keys and generate | ||
11 | the digital signature required during hostbased authentication with SSH | ||
12 | protocol version 2. | ||
13 | |||
14 | ssh-keysign is disabled by default and can only be enabled in the the | ||
15 | global client configuration file /etc/ssh/ssh_config by setting | ||
16 | HostbasedAuthentication to ``yes''. | ||
17 | |||
18 | ssh-keysign is not intended to be invoked by the user, but from ssh(1). | ||
19 | See ssh(1) and sshd(8) for more information about hostbased authenticaM-- | ||
20 | tion. | ||
21 | |||
22 | FILES | ||
23 | /etc/ssh/ssh_config | ||
24 | Controls whether ssh-keysign is enabled. | ||
25 | |||
26 | /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key | ||
27 | These files contain the private parts of the host keys used to | ||
28 | generate the digital signature. They should be owned by root, | ||
29 | readable only by root, and not accessible to others. Since they | ||
30 | are readable only by root, ssh-keysign must be set-uid root if | ||
31 | hostbased authentication is used. | ||
32 | |||
33 | SEE ALSO | ||
34 | ssh(1), ssh-keygen(1), ssh_config(5), sshd(8) | ||
35 | |||
36 | AUTHORS | ||
37 | Markus Friedl <markus@openbsd.org> | ||
38 | |||
39 | HISTORY | ||
40 | ssh-keysign first appeared in OpenBSD 3.2. | ||
41 | |||
42 | BSD May 24, 2002 BSD | ||