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/etc -> /etc/ssh

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Submitted by:	Ben Smithurst <ben@scientia.demon.co.uk>
This commit is contained in:
Kris Kennaway 2000-03-08 03:44:00 +00:00
parent bb1ba4173a
commit 2134165c54
2 changed files with 29 additions and 29 deletions
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26
crypto/openssh/ssh.1
View File

@ -67,7 +67,7 @@ his/her identity to the remote machine using one of several methods.
First, if the machine the user logs in from is listed in
.Pa /etc/hosts.equiv
or
.Pa /etc/shosts.equiv
.Pa /etc/ssh/shosts.equiv
on the remote machine, and the user names are
the same on both sides, the user is immediately permitted to log in.
Second, if
@ -90,10 +90,10 @@ means that if the login would be permitted by
.Pa \&.shosts ,
.Pa /etc/hosts.equiv ,
or
.Pa /etc/shosts.equiv ,
.Pa /etc/ssh/shosts.equiv ,
and if additionally the server can verify the client's
host key (see
.Pa /etc/ssh_known_hosts
.Pa /etc/ssh/ssh_known_hosts
and
.Pa $HOME/.ssh/known_hosts
in the
@ -251,7 +251,7 @@ identifications for all hosts it has ever been used with. The
database is stored in
.Pa \&.ssh/known_hosts
in the user's home directory. Additionally, the file
.Pa /etc/ssh_known_hosts
.Pa /etc/ssh/ssh_known_hosts
is automatically checked for known hosts. Any new hosts are
automatically added to the user's file. If a host's identification
ever changes,
@ -435,7 +435,7 @@ obtains configuration data from the following sources (in this order):
command line options, user's configuration file
.Pq Pa $HOME/.ssh/config ,
and system-wide configuration file
.Pq Pa /etc/ssh_config .
.Pq Pa /etc/ssh/ssh_config .
For each parameter, the first obtained value
will be used. The configuration files contain sections bracketed by
"Host" specifications, and that section is only applied for hosts that
@ -571,7 +571,7 @@ The default is
.Dq no .
.It Cm GlobalKnownHostsFile
Specifies a file to use instead of
.Pa /etc/ssh_known_hosts .
.Pa /etc/ssh/ssh_known_hosts .
.It Cm HostName
Specifies the real host name to log into. This can be used to specify
nicnames or abbreviations for hosts. Default is the name given on the
@ -713,7 +713,7 @@ ssh will never automatically add host keys to the
file, and refuses to connect hosts whose host key has changed. This
provides maximum protection against trojan horse attacks. However, it
can be somewhat annoying if you don't have good
.Pa /etc/ssh_known_hosts
.Pa /etc/ssh/ssh_known_hosts
files installed and frequently
connect new hosts. Basically this option forces the user to manually
add any new hosts. Normally this option is disabled, and new hosts
@ -820,7 +820,7 @@ to the environment.
.It Pa $HOME/.ssh/known_hosts
Records host keys for all hosts the user has logged into (that are not
in
.Pa /etc/ssh_known_hosts ) .
.Pa /etc/ssh/ssh_known_hosts ) .
See
.Xr sshd 8 .
.It Pa $HOME/.ssh/identity
@ -859,7 +859,7 @@ identity files (that is, each line contains the number of bits in
modulus, public exponent, modulus, and comment fields, separated by
spaces). This file is not highly sensitive, but the recommended
permissions are read/write for the user, and not accessible by others.
.It Pa /etc/ssh_known_hosts
.It Pa /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
@ -878,7 +878,7 @@ to verify the client host when logging in; other names are needed because
does not convert the user-supplied name to a canonical name before
checking the key, because someone with access to the name servers
would then be able to fool host authentication.
.It Pa /etc/ssh_config
.It Pa /etc/ssh/ssh_config
Systemwide configuration file. This file provides defaults for those
values that are not specified in the user's configuration file, and
for those users who do not have a configuration file. This file must
@ -905,7 +905,7 @@ Note that by default
will be installed so that it requires successful RSA host
authentication before permitting \s+2.\s0rhosts authentication. If your
server machine does not have the client's host key in
.Pa /etc/ssh_known_hosts ,
.Pa /etc/ssh/ssh_known_hosts ,
you can store it in
.Pa $HOME/.ssh/known_hosts .
The easiest way to do this is to
@ -932,13 +932,13 @@ manual page). If the client host is found in this file, login is
automatically permitted provided client and server user names are the
same. Additionally, successful RSA host authentication is normally
required. This file should only be writable by root.
.It Pa /etc/shosts.equiv
.It Pa /etc/ssh/shosts.equiv
This file is processed exactly as
.Pa /etc/hosts.equiv .
This file may be useful to permit logins using
.Nm
but not using rsh/rlogin.
.It Pa /etc/sshrc
.It Pa /etc/ssh/sshrc
Commands in this file are executed by
.Nm
when the user logs in just before the user's shell (or command) is started.

32
crypto/openssh/sshd.8
View File

@ -124,7 +124,7 @@ not fork and will only process one connection. This option is only
intended for debugging for the server.
.It Fl f Ar configuration_file
Specifies the name of the configuration file. The default is
.Pa /etc/sshd_config .
.Pa /etc/ssh/sshd_config .
.Nm
refuses to start if there is no configuration file.
.It Fl g Ar login_grace_time
@ -134,7 +134,7 @@ this many seconds, the server disconnects and exits. A value of zero
indicates no limit.
.It Fl h Ar host_key_file
Specifies the file from which the host key is read (default
.Pa /etc/ssh_host_key ) .
.Pa /etc/ssh/ssh_host_key ) .
This option must be given if
.Nm
is not run as root (as the normal
@ -279,7 +279,7 @@ id isn't recognized. By default login is allowed regardless of
the user name.
.It Cm HostKey
Specifies the file containing the private host key (default
.Pa /etc/ssh_host_key ) .
.Pa /etc/ssh/ssh_host_key ) .
Note that
.Nm
does not start if this file is group/world-accessible.
@ -291,7 +291,7 @@ and
files will not be used in authentication.
.Pa /etc/hosts.equiv
and
.Pa /etc/shosts.equiv
.Pa /etc/ssh/shosts.equiv
are still used. The default is
.Dq yes .
.It Cm IgnoreUserKnownHosts
@ -514,7 +514,7 @@ Changes to user's home directory.
If
.Pa $HOME/.ssh/rc
exists, runs it; else if
.Pa /etc/sshrc
.Pa /etc/ssh/sshrc
exists, runs
it; otherwise runs xauth. The
.Dq rc
@ -600,7 +600,7 @@ from="*.niksula.hut.fi,!pc.niksula.hut.fi" 1024 35 23.\|.\|.\|2334 ylo@niksula
command="dump /home",no-pty,no-port-forwarding 1024 33 23.\|.\|.\|2323 backup.hut.fi
.Sh SSH_KNOWN_HOSTS FILE FORMAT
The
.Pa /etc/ssh_known_hosts
.Pa /etc/ssh/ssh_known_hosts
and
.Pa $HOME/.ssh/known_hosts
files contain host public keys for all known hosts. The global file should
@ -623,7 +623,7 @@ pattern on the line.
.Pp
Bits, exponent, and modulus are taken directly from the host key; they
can be obtained, e.g., from
.Pa /etc/ssh_host_key.pub .
.Pa /etc/ssh/ssh_host_key.pub .
The optional comment field continues to the end of the line, and is not used.
.Pp
Lines starting with
@ -642,25 +642,25 @@ Note that the lines in these files are typically hundreds of characters
long, and you definitely don't want to type in the host keys by hand.
Rather, generate them by a script
or by taking
.Pa /etc/ssh_host_key.pub
.Pa /etc/ssh/ssh_host_key.pub
and adding the host names at the front.
.Ss Examples
closenet,closenet.hut.fi,.\|.\|.\|,130.233.208.41 1024 37 159.\|.\|.93 closenet.hut.fi
.Sh FILES
.Bl -tag -width Ds
.It Pa /etc/sshd_config
.It Pa /etc/ssh/sshd_config
Contains configuration data for
.Nm sshd .
This file should be writable by root only, but it is recommended
(though not necessary) that it be world-readable.
.It Pa /etc/ssh_host_key
.It Pa /etc/ssh/ssh_host_key
Contains the private part of the host key.
This file should only be owned by root, readable only by root, and not
accessible to others.
Note that
.Nm
does not start if this file is group/world-accessible.
.It Pa /etc/ssh_host_key.pub
.It Pa /etc/ssh/ssh_host_key.pub
Contains the public part of the host key.
This file should be world-readable but writable only by
root. Its contents should match the private part. This file is not
@ -681,14 +681,14 @@ This file must be readable by root (which may on some machines imply
it being world-readable if the user's home directory resides on an NFS
volume). It is recommended that it not be accessible by others. The
format of this file is described above.
.It Pa "/etc/ssh_known_hosts" and "$HOME/.ssh/known_hosts"
.It Pa "/etc/ssh/ssh_known_hosts" and "$HOME/.ssh/known_hosts"
These files are consulted when using rhosts with RSA host
authentication to check the public key of the host. The key must be
listed in one of these files to be accepted.
The client uses the same files
to verify that the remote host is the one we intended to
connect. These files should be writable only by root/the owner.
.Pa /etc/ssh_known_hosts
.Pa /etc/ssh/ssh_known_hosts
should be world-readable, and
.Pa $HOME/.ssh/known_hosts
can but need not be world-readable.
@ -750,7 +750,7 @@ user root access. The only valid use for user names that I can think
of is in negative entries.
.Pp
Note that this warning also applies to rsh/rlogin.
.It Pa /etc/shosts.equiv
.It Pa /etc/ssh/shosts.equiv
This is processed exactly as
.Pa /etc/hosts.equiv .
However, this file may be useful in environments that want to run both
@ -780,13 +780,13 @@ something similar to: "if read proto cookie; then echo add $DISPLAY
$proto $cookie | xauth -q -; fi".
.Pp
If this file does not exist,
.Pa /etc/sshrc
.Pa /etc/ssh/sshrc
is run, and if that
does not exist either, xauth is used to store the cookie.
.Pp
This file should be writable only by the user, and need not be
readable by anyone else.
.It Pa /etc/sshrc
.It Pa /etc/ssh/sshrc
Like
.Pa $HOME/.ssh/rc .
This can be used to specify