On Tue, Jan 14, 2003 at 11:50:15PM +0000, Matthew Seaman wrote: > On Tue, Jan 14, 2003 at 11:23:51PM +0000, Stacey Roberts wrote: > > Hello, > > I'm running bind in a sandbox as per the handbook. I've had this > > set up and (presumably) working okay since FreeBSD 4.6 Stable, and have > > today noticed these named entries in /var/log/messages: > > > > named[143]: denied update from [host_IP].1268 for > > "1.168.192.in-addr.arpa" IN > > Are you running a DHCP server? On Windows 2K? > > This is a host trying to insert a dynamic PTR record into your DNS. > That is usually a function of a DHCP server, and can be configured if > desired. If you haven't configured dynamic DNS, then it's harmless > apart from taking up space in your log files.
Windows 2000 will, by default, try this everytime it's assigned an IP. > W2K is notable for shipping with the dynamic DNS stuff turned on. > It's not just you: seems a lot of W2K machines try to update records > in the root servers too... Search for 'Syslog Errors' in > http://www.caida.org/outreach/presentations/ietf0112/dns.damage.html > for the depressing statistics. At my last job, we used to get (and they probably still do) about 2000 of these messages an hour: http://marc.theaimsgroup.com/?t=102224673800003&r=1&w=2 Ceri -- Zoom! To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
