Date: Sun, 29 Aug 2004 12:04:02 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: "W. D." <WD@US-Webmasters.com> Cc: freebsd-questions@freebsd.org Subject: Re: ntpd as broadcastclient - not working? Message-ID: <20040829110402.GD9230@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <5.1.0.14.2.20040827020055.07f07260@209.152.117.178> References: <5.1.0.14.2.20040827020055.07f07260@209.152.117.178>
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On Fri, Aug 27, 2004 at 02:07:16AM -0500, W. D. wrote:
> Hi folks,
>=20
> I have Tardis (Windows) running on my network broadcasting NTP=20
> time signals (right now every 4 seconds), but the=20
> FreeBSD machine is running 5 seconds faster than=20
> all the other computers.
>=20
>=20
> Here are the lines that I added to /etc/rc.conf:
>=20
> xntpd_enable=3D"YES"
> xntpd_flags=3D"-A -c /etc/ntp.conf -p /var/run/ntpd.pid -l /var/log/ntpd.=
log"=20
>=20
> (Both 'top' and 'ps -aux' show ntpd running after I rebooted.
>=20
>=20
> Here are the lines that I added to /etc/ntp.conf:
>=20
> driftfile /etc/ntp.drift
> broadcastclient
>=20
>=20
> Does anyone have some ideas why it isn't synching up?
Don't you need to use ntp.keys in order to synch to a broadcast or
multicast server?
See ntp.conf(5):
broadcastclient
This command enables reception of broadcast server messages to
any local interface (type b) address. Upon receiving a message
for the first time, the broadcast client measures the nominal
server propagation delay using a brief client/server exchange
with the server, then enters the broadcast client mode, in whi=
ch
it synchronizes to succeeding broadcast messages. Note that, =
in
order to avoid accidental or malicious disruption in this mode,
both the server and client should operate using symmetric-key =
or
public-key authentication as described in Authentication Optio=
ns.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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