зеркало из https://github.com/Azure/sonic-openssh.git
- jmc@cvs.openbsd.org 2006/01/03 16:52:36
[ssh.1]
put FILES in some sort of order: sort by pathname
This commit is contained in:
Damien Miller
Родитель
6aa2290b0c
Коммит
fb8ea74116
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@ -9,6 +9,9 @@
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- jmc@cvs.openbsd.org 2006/01/03 16:35:30
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[ssh.1]
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use a larger width for the ENVIRONMENT list;
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- jmc@cvs.openbsd.org 2006/01/03 16:52:36
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[ssh.1]
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put FILES in some sort of order: sort by pathname
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20060103
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- (djm) [channels.c] clean up harmless merge error, from reyk@
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@ -3643,4 +3646,4 @@
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- (djm) Trim deprecated options from INSTALL. Mention UsePAM
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- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
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$Id: ChangeLog,v 1.4075 2006/01/06 03:48:34 djm Exp $
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$Id: ChangeLog,v 1.4076 2006/01/06 03:48:52 djm Exp $
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236
ssh.1
236
ssh.1
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@ -34,7 +34,7 @@
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $OpenBSD: ssh.1,v 1.237 2006/01/03 16:35:30 jmc Exp $
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.\" $OpenBSD: ssh.1,v 1.238 2006/01/03 16:52:36 jmc Exp $
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.Dd September 25, 1999
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.Dt SSH 1
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.Os
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@ -1054,109 +1054,6 @@ option in
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.Xr sshd_config 5 .
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.Sh FILES
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.Bl -tag -width Ds -compact
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.It ~/.ssh/known_hosts
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Records host keys for all hosts the user has logged into that are not
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in
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.Pa /etc/ssh/ssh_known_hosts .
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See
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.Xr sshd 8 .
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.Pp
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.It ~/.ssh/identity
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.It ~/.ssh/id_dsa
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.It ~/.ssh/id_rsa
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Contains the private key for authentication.
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These files
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contain sensitive data and should be readable by the user but not
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accessible by others (read/write/execute).
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.Nm
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will simply ignore a private key file if it is accessible by others.
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It is possible to specify a passphrase when
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generating the key which will be used to encrypt the
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sensitive part of this file using 3DES.
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.Pp
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.It ~/.ssh/identity.pub
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.It ~/.ssh/id_dsa.pub
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.It ~/.ssh/id_rsa.pub
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Contains the public key for authentication.
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These files are not
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sensitive and can (but need not) be readable by anyone.
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They are
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never used automatically and are not necessary: they are only provided for
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the convenience of the user.
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.Pp
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.It ~/.ssh/config
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This is the per-user configuration file.
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The file format and configuration options are described in
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.Xr ssh_config 5 .
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Because of the potential for abuse, this file must have strict permissions:
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read/write for the user, and not accessible by others.
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.Pp
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.It ~/.ssh/authorized_keys
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Lists the public keys (RSA/DSA) that can be used for logging in as this user.
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The format of this file is described in the
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.Xr sshd 8
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manual page.
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In the simplest form the format is the same as the
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.Pa .pub
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identity files.
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This file is not highly sensitive, but the recommended
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permissions are read/write for the user, and not accessible by others.
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.Pp
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.It /etc/ssh/ssh_known_hosts
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Systemwide list of known host keys.
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This file should be prepared by the
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system administrator to contain the public host keys of all machines in the
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organization.
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This file should be world-readable.
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This file contains
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public keys, one per line, in the following format (fields separated
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by spaces): system name, public key and optional comment field.
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When different names are used
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for the same machine, all such names should be listed, separated by
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commas.
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The format is described in the
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.Xr sshd 8
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manual page.
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.Pp
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The canonical system name (as returned by name servers) is used by
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.Xr sshd 8
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to verify the client host when logging in; other names are needed because
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.Nm
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does not convert the user-supplied name to a canonical name before
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checking the key, because someone with access to the name servers
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would then be able to fool host authentication.
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.Pp
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.It Pa /etc/ssh/ssh_config
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Systemwide configuration file.
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The file format and configuration options are described in
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.Xr ssh_config 5 .
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.Pp
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.It /etc/ssh/ssh_host_key
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.It /etc/ssh/ssh_host_dsa_key
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.It /etc/ssh/ssh_host_rsa_key
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These three files contain the private parts of the host keys
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and are used for
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.Cm RhostsRSAAuthentication
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and
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.Cm HostbasedAuthentication .
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If the protocol version 1
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.Cm RhostsRSAAuthentication
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method is used,
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.Nm
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must be setuid root, since the host key is readable only by root.
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For protocol version 2,
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.Nm
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uses
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.Xr ssh-keysign 8
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to access the host keys for
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.Cm HostbasedAuthentication .
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This eliminates the requirement that
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.Nm
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be setuid root when that authentication method is used.
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By default
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.Nm
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is not setuid root.
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.Pp
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.It ~/.rhosts
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This file is used in
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.Cm RhostsRSAAuthentication
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@ -1206,6 +1103,68 @@ authentication without permitting login with
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or
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.Xr rsh 1 .
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.Pp
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.It ~/.ssh/authorized_keys
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Lists the public keys (RSA/DSA) that can be used for logging in as this user.
|
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The format of this file is described in the
|
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.Xr sshd 8
|
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manual page.
|
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In the simplest form the format is the same as the
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.Pa .pub
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identity files.
|
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This file is not highly sensitive, but the recommended
|
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permissions are read/write for the user, and not accessible by others.
|
||||
.Pp
|
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.It ~/.ssh/config
|
||||
This is the per-user configuration file.
|
||||
The file format and configuration options are described in
|
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.Xr ssh_config 5 .
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Because of the potential for abuse, this file must have strict permissions:
|
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read/write for the user, and not accessible by others.
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.Pp
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.It ~/.ssh/environment
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Contains additional definitions for environment variables, see section
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.Sx ENVIRONMENT
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above.
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.Pp
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.It ~/.ssh/identity
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.It ~/.ssh/id_dsa
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.It ~/.ssh/id_rsa
|
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Contains the private key for authentication.
|
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These files
|
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contain sensitive data and should be readable by the user but not
|
||||
accessible by others (read/write/execute).
|
||||
.Nm
|
||||
will simply ignore a private key file if it is accessible by others.
|
||||
It is possible to specify a passphrase when
|
||||
generating the key which will be used to encrypt the
|
||||
sensitive part of this file using 3DES.
|
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.Pp
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.It ~/.ssh/identity.pub
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.It ~/.ssh/id_dsa.pub
|
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.It ~/.ssh/id_rsa.pub
|
||||
Contains the public key for authentication.
|
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These files are not
|
||||
sensitive and can (but need not) be readable by anyone.
|
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They are
|
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never used automatically and are not necessary: they are only provided for
|
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the convenience of the user.
|
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.Pp
|
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.It ~/.ssh/known_hosts
|
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Records host keys for all hosts the user has logged into that are not
|
||||
in
|
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.Pa /etc/ssh/ssh_known_hosts .
|
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See
|
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.Xr sshd 8 .
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.Pp
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.It ~/.ssh/rc
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Commands in this file are executed by
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.Nm
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when the user logs in just before the user's shell (or command) is
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started.
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See the
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.Xr sshd 8
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manual page for more information.
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.Pp
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.It /etc/hosts.equiv
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This file is used during
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.Cm RhostsRSAAuthentication
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@ -1229,6 +1188,61 @@ This file may be useful to permit logins using
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.Nm
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but not using rsh/rlogin.
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.Pp
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.It Pa /etc/ssh/ssh_config
|
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Systemwide configuration file.
|
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The file format and configuration options are described in
|
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.Xr ssh_config 5 .
|
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.Pp
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.It /etc/ssh/ssh_host_key
|
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.It /etc/ssh/ssh_host_dsa_key
|
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.It /etc/ssh/ssh_host_rsa_key
|
||||
These three files contain the private parts of the host keys
|
||||
and are used for
|
||||
.Cm RhostsRSAAuthentication
|
||||
and
|
||||
.Cm HostbasedAuthentication .
|
||||
If the protocol version 1
|
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.Cm RhostsRSAAuthentication
|
||||
method is used,
|
||||
.Nm
|
||||
must be setuid root, since the host key is readable only by root.
|
||||
For protocol version 2,
|
||||
.Nm
|
||||
uses
|
||||
.Xr ssh-keysign 8
|
||||
to access the host keys for
|
||||
.Cm HostbasedAuthentication .
|
||||
This eliminates the requirement that
|
||||
.Nm
|
||||
be setuid root when that authentication method is used.
|
||||
By default
|
||||
.Nm
|
||||
is not setuid root.
|
||||
.Pp
|
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.It /etc/ssh/ssh_known_hosts
|
||||
Systemwide list of known host keys.
|
||||
This file should be prepared by the
|
||||
system administrator to contain the public host keys of all machines in the
|
||||
organization.
|
||||
This file should be world-readable.
|
||||
This file contains
|
||||
public keys, one per line, in the following format (fields separated
|
||||
by spaces): system name, public key and optional comment field.
|
||||
When different names are used
|
||||
for the same machine, all such names should be listed, separated by
|
||||
commas.
|
||||
The format is described in the
|
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.Xr sshd 8
|
||||
manual page.
|
||||
.Pp
|
||||
The canonical system name (as returned by name servers) is used by
|
||||
.Xr sshd 8
|
||||
to verify the client host when logging in; other names are needed because
|
||||
.Nm
|
||||
does not convert the user-supplied name to a canonical name before
|
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checking the key, because someone with access to the name servers
|
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would then be able to fool host authentication.
|
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.Pp
|
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.It /etc/ssh/sshrc
|
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Commands in this file are executed by
|
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.Nm
|
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|
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@ -1236,20 +1250,6 @@ when the user logs in just before the user's shell (or command) is started.
|
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See the
|
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.Xr sshd 8
|
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manual page for more information.
|
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.Pp
|
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.It ~/.ssh/rc
|
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Commands in this file are executed by
|
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.Nm
|
||||
when the user logs in just before the user's shell (or command) is
|
||||
started.
|
||||
See the
|
||||
.Xr sshd 8
|
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manual page for more information.
|
||||
.Pp
|
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.It ~/.ssh/environment
|
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Contains additional definitions for environment variables, see section
|
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.Sx ENVIRONMENT
|
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above.
|
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.El
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.Sh SEE ALSO
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.Xr gzip 1 ,
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|
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