[openssh-commits] [openssh] 04/04: upstream commit

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djm pushed a commit to branch master
in repository openssh.

commit c63c9a691dca26bb7648827f5a13668832948929
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Mon Jul 20 00:30:01 2015 +0000

    upstream commit
    
    mention that the default of UseDNS=no implies that
     hostnames cannot be used for host matching in sshd_config and
     authorized_keys; bz#2045, ok dtucker@
    
    Upstream-ID: 0812705d5f2dfa59aab01f2764ee800b1741c4e1
---
 sshd_config.5 | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/sshd_config.5 b/sshd_config.5
index b49e919..0614531 100644
--- a/sshd_config.5
+++ b/sshd_config.5
@@ -33,8 +33,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $OpenBSD: sshd_config.5,v 1.206 2015/07/10 06:21:53 markus Exp $
-.Dd $Mdocdate: July 10 2015 $
+.\" $OpenBSD: sshd_config.5,v 1.207 2015/07/20 00:30:01 djm Exp $
+.Dd $Mdocdate: July 20 2015 $
 .Dt SSHD_CONFIG 5
 .Os
 .Sh NAME
@@ -1493,11 +1493,20 @@ For more details on certificates, see the CERTIFICATES section in
 .It Cm UseDNS
 Specifies whether
 .Xr sshd 8
-should look up the remote host name and check that
+should look up the remote host name, and to check that
 the resolved host name for the remote IP address maps back to the
 very same IP address.
-The default is
-.Dq no .
+.Pp
+If this option is set to
+.Dq no
+(the default) then only addresses and not host names may be used in
+.Pa ~/.ssh/known_hosts
+.Cm from
+and
+.Xr sshd_config 5
+.Cm Match
+.Cm Host
+directives.
 .It Cm UseLogin
 Specifies whether
 .Xr login 1

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