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authorEd Maste <emaste@FreeBSD.org>2021-02-14 21:07:21 +0000
committerEd Maste <emaste@FreeBSD.org>2021-02-14 21:07:21 +0000
commitdb903103f46785ea0bba0f228691e1f8fb3a643d (patch)
tree74026f96189cd1c487ea2c8e038b921e3861e1b1 /ssh.0
parent82e5fdc50050d6dccf1f547818312aebd3b6626e (diff)
Diffstat (limited to 'ssh.0')
-rw-r--r--ssh.027
1 files changed, 14 insertions, 13 deletions
diff --git a/ssh.0 b/ssh.0
index ffacbef65908..474bb1e2e3d5 100644
--- a/ssh.0
+++ b/ssh.0
@@ -109,7 +109,8 @@ DESCRIPTION
Specifies an alternative per-user configuration file. If a
configuration file is given on the command line, the system-wide
configuration file (/etc/ssh/ssh_config) will be ignored. The
- default for the per-user configuration file is ~/.ssh/config.
+ default for the per-user configuration file is ~/.ssh/config. If
+ set to M-bM-^@M-^\noneM-bM-^@M-^], no configuration files will be read.
-f Requests ssh to go to background just before command execution.
This is useful if ssh is going to ask for passwords or
@@ -460,17 +461,17 @@ AUTHENTICATION
Host-based authentication works as follows: If the machine the user logs
in from is listed in /etc/hosts.equiv or /etc/shosts.equiv on the remote
- machine, and the user names are the same on both sides, or if the files
- ~/.rhosts or ~/.shosts exist in the user's home directory on the remote
- machine and contain a line containing the name of the client machine and
- the name of the user on that machine, the user is considered for login.
- Additionally, the server must be able to verify the client's host key
- (see the description of /etc/ssh/ssh_known_hosts and ~/.ssh/known_hosts,
- below) for login to be permitted. This authentication method closes
- security holes due to IP spoofing, DNS spoofing, and routing spoofing.
- [Note to the administrator: /etc/hosts.equiv, ~/.rhosts, and the
- rlogin/rsh protocol in general, are inherently insecure and should be
- disabled if security is desired.]
+ machine, the user is non-root and the user names are the same on both
+ sides, or if the files ~/.rhosts or ~/.shosts exist in the user's home
+ directory on the remote machine and contain a line containing the name of
+ the client machine and the name of the user on that machine, the user is
+ considered for login. Additionally, the server must be able to verify
+ the client's host key (see the description of /etc/ssh/ssh_known_hosts
+ and ~/.ssh/known_hosts, below) for login to be permitted. This
+ authentication method closes security holes due to IP spoofing, DNS
+ spoofing, and routing spoofing. [Note to the administrator:
+ /etc/hosts.equiv, ~/.rhosts, and the rlogin/rsh protocol in general, are
+ inherently insecure and should be disabled if security is desired.]
Public key authentication works as follows: The scheme is based on
public-key cryptography, using cryptosystems where encryption and
@@ -988,4 +989,4 @@ AUTHORS
created OpenSSH. Markus Friedl contributed the support for SSH protocol
versions 1.5 and 2.0.
-OpenBSD 6.6 February 7, 2020 OpenBSD 6.6
+OpenBSD 6.7 April 17, 2020 OpenBSD 6.7