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	<title>KutuKupret &#187; dns</title>
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		<title>Postfix, Rate Limiting Inbound Emails Using SenderScore And Memcache</title>
		<link>http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/</link>
		<comments>http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/#comments</comments>
		<pubDate>Mon, 15 Aug 2011 03:13:34 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[dnswl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[filter]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[plugin]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[policy]]></category>
		<category><![CDATA[policy delegation]]></category>
		<category><![CDATA[rate limiting]]></category>
		<category><![CDATA[SenderScore]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1517</guid>
		<description><![CDATA[I received email from someone fiew days ago, he directed me to an article about senderscore and and asked if I could make it usable. Actually, I&#8217;m not very familiar with how senderscore work. I&#8217;ve read the article and see the FAQ at https://senderscore.org/. I have found that senderscore can be queried with a format <a href='http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/'>[...]</a>]]></description>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>Geo Location DNSBL Using Perl, Memcached And GeoIP</title>
		<link>http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/</link>
		<comments>http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/#comments</comments>
		<pubDate>Thu, 28 Jul 2011 07:17:14 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bind9]]></category>
		<category><![CDATA[database]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[geo location]]></category>
		<category><![CDATA[geoip]]></category>
		<category><![CDATA[memcache]]></category>
		<category><![CDATA[nameserver]]></category>
		<category><![CDATA[rbl]]></category>
		<category><![CDATA[ube]]></category>
		<category><![CDATA[uce]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1491</guid>
		<description><![CDATA[In my last article about the DNSBL and memcached, I wrote how to use memcached to store the data for the DNSBL. It led me to other new ideas to make the Geo Location DNSBL. In previous article I put data into memcached with the following format: Example: Each ip address has a pair of <a href='http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DNSBL Using Perl And Memcached</title>
		<link>http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/</link>
		<comments>http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/#comments</comments>
		<pubDate>Wed, 27 Jul 2011 12:44:59 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bash]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[memcache]]></category>
		<category><![CDATA[nameserver]]></category>
		<category><![CDATA[rbl]]></category>
		<category><![CDATA[ube]]></category>
		<category><![CDATA[uce]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1486</guid>
		<description><![CDATA[DNSBL is a DNS based blackhole list, which can be used as countermeasure against unsolicited mail spam. One of the most efficient ways to block mail spam is to do it on SMTP conversation stage by denying incoming connects from spam sources, where the source machine is identified by its IP address which is checked <a href='http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Postfix Bind Sender Outgoing IP, Based On GeoIP Location</title>
		<link>http://www.kutukupret.com/2011/05/28/postfix-bind-sender-outgoing-ip-based-on-geoip-location/</link>
		<comments>http://www.kutukupret.com/2011/05/28/postfix-bind-sender-outgoing-ip-based-on-geoip-location/#comments</comments>
		<pubDate>Sat, 28 May 2011 06:19:09 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[dns]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[load balance]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[country code]]></category>
		<category><![CDATA[geoip]]></category>
		<category><![CDATA[golocation]]></category>
		<category><![CDATA[maps]]></category>
		<category><![CDATA[tcp_table]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1185</guid>
		<description><![CDATA[This morning, when I took my daughter to school, I got the idea to experiment with postfix and GeoIP location. the idea is, if mx emails are in a geo targeted a specific location, mail delivery will be done with a certain ip address. Ie: Every emails with the mx hosts that have IP addresses/host <a href='http://www.kutukupret.com/2011/05/28/postfix-bind-sender-outgoing-ip-based-on-geoip-location/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>test the round robin DNS features of the resolver functions</title>
		<link>http://www.kutukupret.com/2010/08/24/test-the-round-robin-dns-features-of-the-resolver-functions/</link>
		<comments>http://www.kutukupret.com/2010/08/24/test-the-round-robin-dns-features-of-the-resolver-functions/#comments</comments>
		<pubDate>Tue, 24 Aug 2010 06:58:03 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[c]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[gcc]]></category>
		<category><![CDATA[getaddrinfo()]]></category>
		<category><![CDATA[gethostbyname()]]></category>
		<category><![CDATA[roundrobin]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=946</guid>
		<description><![CDATA[Date: 3 Nov 2005 Author: Daniel Stenberg License: freely available to do whatever you want with. roundrobin.c &#8211; test the round robin DNS features of the resolver functions Note: this test script is written to be compiled and run on Linux. It is not as portable as it could be, but that is just to <a href='http://www.kutukupret.com/2010/08/24/test-the-round-robin-dns-features-of-the-resolver-functions/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Using IPv6 with Custom and Secondary DNS</title>
		<link>http://www.kutukupret.com/2010/08/06/using-ipv6-with-custom-and-secondary-dns/</link>
		<comments>http://www.kutukupret.com/2010/08/06/using-ipv6-with-custom-and-secondary-dns/#comments</comments>
		<pubDate>Fri, 06 Aug 2010 13:16:35 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[dns]]></category>
		<category><![CDATA[ipv6]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[dyndns]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=871</guid>
		<description><![CDATA[source: http://www.dyndns.com/support/kb/ipv6_with_custom_secdns.html As part of Dyn Inc.&#8217;s IPv6 implementation plan, DynDNS.com has recently made a new IPv6 nameserver available for Custom DNS and Secondary DNS customers. Whether you&#8217;re looking to get a jump on the transition to IPv6 or you&#8217;re simply curious, we&#8217;ve created this short tutorial to help you make use of the new nameserver. <a href='http://www.kutukupret.com/2010/08/06/using-ipv6-with-custom-and-secondary-dns/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2010/08/06/using-ipv6-with-custom-and-secondary-dns/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Defining delegated route /48 from Hurricane Electric in Appropriate way.</title>
		<link>http://www.kutukupret.com/2009/09/18/defining-delegated-route-48-from-hurricane-electric-in-appropriate-way/</link>
		<comments>http://www.kutukupret.com/2009/09/18/defining-delegated-route-48-from-hurricane-electric-in-appropriate-way/#comments</comments>
		<pubDate>Fri, 18 Sep 2009 07:35:09 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bind9]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[hurricane electric]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=198</guid>
		<description><![CDATA[I&#8217;ve been thinking on how to create reverse zone for /64 subnet from delegated routed /48 from Hurricane Electric. First when i was first time request delegation for routed /48 i&#8217;ve defined this configuration on my nameservers In named.conf In reverse-2001-470-f8e7_48.IP6.ARPA But, in the other hand, We can also divide route /48 into per /64 <a href='http://www.kutukupret.com/2009/09/18/defining-delegated-route-48-from-hurricane-electric-in-appropriate-way/'>[...]</a>]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>DNS bailiwick</title>
		<link>http://www.kutukupret.com/2009/08/27/dns-bailiwick/</link>
		<comments>http://www.kutukupret.com/2009/08/27/dns-bailiwick/#comments</comments>
		<pubDate>Thu, 27 Aug 2009 01:06:27 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bind9]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[bind]]></category>
		<category><![CDATA[protocol]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=90</guid>
		<description><![CDATA[The term in-bailiwick means that nameservers for a domain is in the same domain (within the domain). ie domain.com nameserver is ns.domain.com not ns.domain.net nor ns.otherdomain.org (glued delegation) The term out-of-bailiwick means that nameservers for a domain is not in the same domain. ie domain.com nameserver is ns.domain.net or ns.otherdomain.org etc.. (glueless delegation) Glued delegations <a href='http://www.kutukupret.com/2009/08/27/dns-bailiwick/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
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