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Yes but I am not sure what that would have to do with this issue. This is
not high rate hits. Maybe 20-50/day.
This is really no big deal. Named ignores them. I could block the IP in my
firewall frontend but as I said they change. This is probably a dynamic
DSL customer with some kind of misconfiguration.
Doug
On Fri, 10 Aug 2007, Antony P Joseph wrote:
> Hi
> If you are seeing a packet rate per second different from the
> perceived normal rate, you can take some action using traffic shaping.
>
> http://en.wikipedia.org/wiki/Rate_limiting
>
> I believe Linux implements traffic shaping.
>
> With regards
> Antony
>
> On Fri, 2007-08-10 at 18:40 -0400, Doug Crompton wrote:
> > I get a bunch of the follow in my named log everyday. Most seem to come
> > from the 172.x.x.x range which usually translates to Verizon. I know it is
> > probably innocuous but I was wondering if there was a way to get rid of it
> > besides blocking the address, which is not really practical because it
> > changes, or just not logging theses errors or ignoring them.
> >
> >
> > 10-Aug-2007 15:11:44.353 update: client 172.200.142.46#56488: updating
> > zone 'crompton.com/IN': update unsuccessful: Laptop
> > .crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 15:11:44.782 update-security: client 172.200.142.46#56491:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 16:11:49.306 update: client 172.200.142.46#56492: updating
> > zone 'crompton.com/IN': update unsuccessful: Laptop
> > .crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 16:11:49.733 update-security: client 172.200.142.46#56495:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 17:11:53.336 update: client 172.200.142.46#56496: updating
> > zone 'crompton.com/IN': update unsuccessful: Laptop
> > .crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 17:11:53.761 update-security: client 172.200.142.46#56499:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 17:29:34.790 update: client 172.188.19.214#56401: updating
> > zone 'crompton.com/IN': update unsuccessful: JohnDe
> > ll.crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 17:29:35.212 update-security: client 172.188.19.214#56404:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 17:30:55.869 update: client 172.188.19.214#56405: updating
> > zone 'crompton.com/IN': update unsuccessful: Laptop
> > .crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 17:30:56.292 update-security: client 172.188.19.214#56408:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 18:29:38.987 update: client 172.188.19.214#56410: updating
> > zone 'crompton.com/IN': update unsuccessful: JohnDe
> > ll.crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 18:29:39.405 update-security: client 172.188.19.214#56413:
> > update 'crompton.com/IN' denied
> > 10-Aug-2007 18:30:56.932 update: client 172.188.19.214#56414: updating
> > zone 'crompton.com/IN': update unsuccessful: Laptop
> > .crompton.com/A: 'RRset exists (value dependent)' prerequisite not
> > satisfied (NXRRSET)
> > 10-Aug-2007 18:30:57.353 update-security: client 172.188.19.214#56417:
> > update 'crompton.com/IN' denied
> >
> >
> > ****************************
> > * Doug Crompton *
> > * Richboro, PA 18954 *
> > * 215-431-6307 *
> > * *
> > * doug@crompton.com *
> > * http://www.crompton.com *
> > ****************************
> >
> >
> > ___________________________________________________________________________
> > Philadelphia Linux Users Group -- http://www.phillylinux.org
> > Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> > General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
>
> ___________________________________________________________________________
> Philadelphia Linux Users Group -- http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
>
"Those that sacrifice essential liberty to obtain a little temporary safety
deserve neither liberty nor safety." -- Ben Franklin (1759)
****************************
* Doug Crompton *
* Richboro, PA 18954 *
* 215-431-6307 *
* *
* doug@crompton.com *
* http://www.crompton.com *
****************************
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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