From 3a8583568d5992bc8ea198af518ce9ac52ec6cb6 Mon Sep 17 00:00:00 2001 From: dtucker Date: Fri, 13 Aug 2004 11:22:40 +0000 Subject: [PATCH] - jakob@cvs.openbsd.org 2004/08/12 21:41:13 [ssh-keygen.1 ssh.1] improve SSHFP documentation; ok deraadt@ --- ChangeLog | 3 +++ ssh-keygen.1 | 11 +++++++---- ssh.1 | 11 ++++++++++- 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index 131bfc86..2a90eac1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -12,6 +12,9 @@ - djm@cvs.openbsd.org 2004/08/12 09:18:24 [sshlogin.c] typo in error message, spotted by moritz AT jodeit.org (Id sync only) + - jakob@cvs.openbsd.org 2004/08/12 21:41:13 + [ssh-keygen.1 ssh.1] + improve SSHFP documentation; ok deraadt@ 20040812 - (dtucker) [sshd.c] Remove duplicate variable imported during sync. diff --git a/ssh-keygen.1 b/ssh-keygen.1 index 6dd61542..824b6e09 100644 --- a/ssh-keygen.1 +++ b/ssh-keygen.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-keygen.1,v 1.61 2003/12/22 09:16:58 djm Exp $ +.\" $OpenBSD: ssh-keygen.1,v 1.62 2004/08/12 21:41:13 jakob Exp $ .\" .\" -*- nroff -*- .\" @@ -192,7 +192,9 @@ to stdout. This option allows exporting keys for use by several commercial SSH implementations. .It Fl g -Use generic DNS resource record format. +Use generic DNS format when printing fingerprint resource records using the +.Fl r +command. .It Fl f Ar filename Specifies the filename of the key file. .It Fl i @@ -276,8 +278,9 @@ Multiple options increase the verbosity. The maximum is 3. .It Fl r Ar hostname -Print DNS resource record with the specified -.Ar hostname . +Print the SSHFP fingerprint resource record named +.Ar hostname +for the specified public key file. .El .Sh MODULI GENERATION .Nm diff --git a/ssh.1 b/ssh.1 index faaf2058..0ff77ea2 100644 --- a/ssh.1 +++ b/ssh.1 @@ -34,7 +34,7 @@ .\" (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: ssh.1,v 1.193 2004/06/26 09:03:21 jmc Exp $ +.\" $OpenBSD: ssh.1,v 1.194 2004/08/12 21:41:13 jakob Exp $ .Dd September 25, 1999 .Dt SSH 1 .Os @@ -400,6 +400,15 @@ The option can be used to prevent logins to machines whose host key is not known or has changed. .Pp +.Nm +can be configured to verify host identification using fingerprint resource +records (SSHFP) published in DNS. +The +.Cm VerifyHostKeyDNS +option can be used to control how DNS lookups are performed. +SSHFP resource records can be generated using +.Xr ssh-keygen 1 . +.Pp The options are as follows: .Bl -tag -width Ds .It Fl 1 -- 2.45.2