diff options
| author |   millert <millert@openbsd.org> | 2013-04-19 19:14:46 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2013-04-19 19:14:46 +0000 |
| commit | a57491f0b4d9d88cdc3d27e168bbb440f8ec9d91 (patch) | |
| tree | 5c6540e630fe5e8925f0209684494b08c4a363da /usr.sbin/rdate/rdate.8 | |
| parent | Rename usbd_fill_*_task() to usb_fill_*_task(). (diff) | |
| download | wireguard-openbsd-a57491f0b4d9d88cdc3d27e168bbb440f8ec9d91.tar.xz wireguard-openbsd-a57491f0b4d9d88cdc3d27e168bbb440f8ec9d91.zip | |
Make -n the default and add -o flag for the old RFC 868 time protocol
(which uses a 32-bit value for its wire protocol). OK deraadt@ ian@
Diffstat (limited to 'usr.sbin/rdate/rdate.8')
| -rw-r--r-- | usr.sbin/rdate/rdate.8 | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/usr.sbin/rdate/rdate.8 b/usr.sbin/rdate/rdate.8 index 371b08a0838..bf990d920a8 100644 --- a/usr.sbin/rdate/rdate.8 +++ b/usr.sbin/rdate/rdate.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: rdate.8,v 1.35 2012/08/30 06:48:33 jmc Exp $ +.\" $OpenBSD: rdate.8,v 1.36 2013/04/19 19:14:46 millert Exp $ .\" $NetBSD: rdate.8,v 1.4 1996/04/08 20:55:17 jtc Exp $ .\" .\" Copyright (c) 1994 Christos Zoulas @@ -29,7 +29,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: August 30 2012 $ +.Dd $Mdocdate: April 19 2013 $ .Dt RDATE 8 .Os .Sh NAME @@ -37,19 +37,19 @@ .Nd set the system's date from a remote host .Sh SYNOPSIS .Nm rdate -.Op Fl 46acnpsv +.Op Fl 46acnopsv .Ar host .Sh DESCRIPTION .Nm displays and sets the local date and time from the host name or address given as the argument. -The time source may be an RFC 868 TCP protocol server, +The time source may be an RFC 5905 protocol SNTP/NTP server +or an RFC 868 TCP protocol server, which is usually implemented as a built-in service of -.Xr inetd 8 , -or an RFC 5905 protocol SNTP/NTP server. +.Xr inetd 8 . By default, .Nm -uses the RFC 868 TCP protocol. +uses the RFC 5905 SNTP/NTP protocol. .Pp The options are as follows: .Bl -tag -width Ds @@ -72,6 +72,11 @@ This should be used only when synchronizing to a server which does not correctly account for leap seconds. .It Fl n Use SNTP (RFC 5905) instead of the RFC 868 time protocol. +This is the default. +.It Fl o +Use an RFC 868 TCP protocol server instead of SNTP. +This protocol is obsolete as it is not capable of representing +dates past January 19, 2038 03:14:07 GMT. .It Fl p Do not set, just print the remote time. .It Fl s @@ -92,7 +97,7 @@ symlink to .Pa /usr/share/zoneinfo/right/Europe/Berlin and issue the following command: .Pp -.D1 Li "# rdate -nv ptbtime1.ptb.de" +.D1 Li "# rdate -v ptbtime1.ptb.de" .Pp The command of course assumes you have a working internet connection and DNS set up to connect to the server at |