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Full Discussion: DNS Cache-Only Config Advice
Special Forums IP Networking DNS Cache-Only Config Advice Post 302372264 by otheus on Tuesday 17th of November 2009 01:15:06 PM
Old 11-17-2009
Since no one has given a shot at your question, I will sidestep the question and answer with: get DJB's dnscache program. It's part of his larger DNS server toolset; we use another DNS product completely for external DNS handling, and dnscache for forwarding internal requests. This is more secure, faster, and simpler to configure. You would have BIND "listen" on the external IP, and dnscache listen on the internal IP; this way they can co-exist on the same router.
 

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DNS-FLOOD-DETECTOR(8)					     dns flood detection tool					     DNS-FLOOD-DETECTOR(8)

NAME
DNS-FLOOD-DETECTOR - dns flood detection and alert tool SYNOPSIS
dns-flood-detector [-b|-d] [-v] [-h] [-i device] [-t n] [-a n] [-w n] [-x n] [-m n] DESCRIPTION
DNS Flood Detector was developed to detect abusive usage levels on high traffic nameservers and to enable quick response to the use of one's nameserver to facilitate spam. OPTIONS
-b run in foreground in bindsnap mode -d run in background in daemon mode -v verbose output - use again for more verbosity -h display help -i device specify device name to listen on -t n alarm at >n queries per second -a n reset alarm after n seconds -w n calculate stats every n seconds -x n create n buckets -m n report overall stats every n seconds SEE ALSO
Website <http://www.adotout.com/> AUTHOR
DNS-FLOOD-DETECTOR was written by Dennis Opacki <dopacki@adotout.com>. This manual page was written by Jan Wagner <waja@cyconet.org>, for the Debian project (but may be used by others). 1.10 2006-11-03 DNS-FLOOD-DETECTOR(8)
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