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	<title>Dan Siemon</title>
	<link>http://www.coverfire.com</link>
	<description>Thoughts and musings</description>
	<lastBuildDate>Wed, 21 Oct 2009 01:34:09 +0000</lastBuildDate>
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	<item>
		<title>ejabberd default permissions update</title>
		<description><![CDATA[The good people at ProcessOne noticed my dent and blog post about ejabberd&#8217;s default configuration. They have already committed changes to restrict MUC room and Pubsub node creation to local users and have opened a ticket to discuss disabling in-band registration.
Thanks ProcessOne.
]]></description>
		<link>http://www.coverfire.com/archives/2009/10/20/ejabberd-default-permissions-update/</link>
			</item>
	<item>
		<title>ejabberd default permissions</title>
		<description><![CDATA[I upgraded my ejabberd to 2.1.0-rc1 today and while doing so decided to start with a fresh ejabberd.cfg. This reminded me of something I noticed when I first switched to ejabberd but forgot to blog about. The default permissions in ejabberd are a bit surprising.
Before I go into details, I&#8217;m not arguing any of these [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/10/17/ejabberd-default-permissions/</link>
			</item>
	<item>
		<title>Create your own economy</title>
		<description><![CDATA[I just finished reading Create Your Own Economy by Tyler Cowen. The overall theme of the book revolves around Autistic thinking and framing effects. The author posits that autistic thinking has benefits that we all can learn from. The discussion of framing effects is less coherently spread throughout the book but suggests that people can [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/08/30/create-your-own-economy/</link>
			</item>
	<item>
		<title>Linux SFQ experimentation</title>
		<description><![CDATA[I&#8217;ve been doing some more experimentation with Linux QoS configurations using my ping-exp utility. Today I noticed that whenever I add a SFQ to the configuration there are large latency spikes. After a bit of digging it appears that these spikes happen when the SFQ changes its flow hash. This occurs every perturb interval as [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/06/28/linux-sfq-experimentation/</link>
			</item>
	<item>
		<title>Some infrastructure links for Canada 3.0</title>
		<description><![CDATA[Tomorrow the Canada 3.0 conference starts. Since I am attending the infrastructure track I thought it might be useful to collect a bunch of links relating to the Internet as infrastructure.
http://www.linuxjournal.com/content/why-internet-infrastructure-need-be-fields-study
http://hakpaksak.wordpress.com/2008/09/22/the-etymology-of-infrastructure-and-the-infrastructure-of-the-internet/
http://lafayetteprofiber.com/FactCheck/OpenSystems.html
http://news.cnet.com/Fixing-our-fraying-Internet-infrastructure/2010-1034_3-6212819.html
http://www.interesting-people.org/archives/interesting-people/200904/msg00168.html
http://www.interesting-people.org/archives/interesting-people/200904/msg00175.html
http://cis471.blogspot.com/2009/04/why-is-connectivty-in-stockholm-so-much.html
http://www.linuxjournal.com/xstatic/suitwatch/2006/suitwatch19.html
http://publius.cc/2008/05/16/doc-searls-framing-the-net
http://free-fiber-to-the-home.blogspot.com/
http://communityfiber.org/cringely.html
http://www.linuxjournal.com/article/10033
]]></description>
		<link>http://www.coverfire.com/archives/2009/06/07/some-infrastructure-links-for-canada-30/</link>
			</item>
	<item>
		<title>ping-exp: Ping experiment utility</title>
		<description><![CDATA[Recently I&#8217;ve been playing with Linux&#8217;s QoS features in order to make my home Internet service a little better. Since I&#8217;m primarily interested in latency I used ping to benchmark the various configurations. This works reasonably well but it quickly becomes hard to compare the results.
So I decided to build a tool to perform several [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/05/18/ping-exp-ping-experiment-utility/</link>
			</item>
	<item>
		<title>Linux/Fedora PPPoE problems and solutions</title>
		<description><![CDATA[This weekend I&#8217;ve been doing some network experimentation on my little DSL connection. I&#8217;ve learned a couple of things the hard way so I figured a quick blog post is in order in the hopes that it will save someone else time.
PPP interface errors
Over the last while my Internet connection has been a little slow. [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/04/19/linuxfedora-pppoe-problems-and-solutions/</link>
			</item>
	<item>
		<title>A little IPv6 experiment</title>
		<description><![CDATA[I&#8217;ve been running IPv6 on my home network for a while now. Since my provider doesn&#8217;t provide native IPv6 all external traffic occurs via 6to4.
Last week I setup 6to4 on my server which lives inside a local ISP&#8217;s colocation facilities. This provided IPv6 connectivity between my home network and the server. The only changes required [...]]]></description>
		<link>http://www.coverfire.com/archives/2009/03/16/a-little-ipv6-experiment/</link>
			</item>
	<item>
		<title>Climate Wars on CBC Ideas</title>
		<description><![CDATA[I wrote about Gwynne Dyer&#8217;s Climate Wars a while ago. CBC&#8217;s Ideas recently ran a three part series based on the book. You can find the audio files in the Podcast feed.
]]></description>
		<link>http://www.coverfire.com/archives/2009/02/16/climate-wars-on-cbc-ideas/</link>
			</item>
	<item>
		<title>Bash process substitution</title>
		<description><![CDATA[Bash tip: Use process substitution to avoid the use of temporary files.
Bash Process Substitution article at Linux Journal.
]]></description>
		<link>http://www.coverfire.com/archives/2009/01/18/bash-process-substitution/</link>
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