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	<title>Building The Net &#187; Internet</title>
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	<link>http://www.stuartsheldon.org/blog</link>
	<description>Open Source, The Universe &#38; Everything...</description>
	<lastBuildDate>Fri, 18 Nov 2011 18:54:41 +0000</lastBuildDate>
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		<title>Open Source Groupware &#8211; SOGo</title>
		<link>http://www.stuartsheldon.org/blog/2011/08/open-source-groupware-sogo/</link>
		<comments>http://www.stuartsheldon.org/blog/2011/08/open-source-groupware-sogo/#comments</comments>
		<pubDate>Mon, 01 Aug 2011 18:20:24 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Desktop]]></category>
		<category><![CDATA[Groupware]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[moregroupware]]></category>
		<category><![CDATA[opensource]]></category>
		<category><![CDATA[small business]]></category>
		<category><![CDATA[SOGo]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=961</guid>
		<description><![CDATA[Open Source Groupware &#8211; The Clear Leader is SOGo: Some of the early groups of articles I penned on this blog, were comparisons of Open Source Groupware projects. At that time, the only one I could really recommend was eGroupware. Although I still believe eGroupware is a valid contender for your Groupware server, I have [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2011/08/open-source-groupware-sogo/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>And So, The End is Near&#8230; And We Face, The Final Curtain&#8230;</title>
		<link>http://www.stuartsheldon.org/blog/2011/02/and-so-the-end-is-near-and-we-face-the-final-curtain/</link>
		<comments>http://www.stuartsheldon.org/blog/2011/02/and-so-the-end-is-near-and-we-face-the-final-curtain/#comments</comments>
		<pubDate>Thu, 03 Feb 2011 16:43:21 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IPv6]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[IPv4]]></category>
		<category><![CDATA[routing]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=954</guid>
		<description><![CDATA[The End of IPv4&#8230; The Adoption of IPv6&#8230; &#8220;The King is Dead!, Long Live the King!&#8221; At a ceremony today, February 3, 2011, the last five /8s were delegated to RIRs. For most people, this has little meaning, but to us that make our livings from the IPv4 protocol, and who have spent countless years [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2011/02/and-so-the-end-is-near-and-we-face-the-final-curtain/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SIP Brute Force Attacks Escalate Over Halloween Weekend.</title>
		<link>http://www.stuartsheldon.org/blog/2010/11/sip-brute-force-attacks-escalate-over-halloween-weekend/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/11/sip-brute-force-attacks-escalate-over-halloween-weekend/#comments</comments>
		<pubDate>Mon, 01 Nov 2010 18:53:08 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[VoIP]]></category>
		<category><![CDATA[Abuse]]></category>
		<category><![CDATA[Attack]]></category>
		<category><![CDATA[DDOS]]></category>
		<category><![CDATA[DoS]]></category>
		<category><![CDATA[SIP Attack]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=941</guid>
		<description><![CDATA[SIP brute force attacks escalate over Halloween weekend. Looks like the bad guys were up to no good again this weekend. SIP based PBX operators reported a huge increase in bogus registration attempts against their systems over the Halloween weekend. Our hosted PBX farm experienced this increase first hand. Logs showed an attack from a [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/11/sip-brute-force-attacks-escalate-over-halloween-weekend/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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		<item>
		<title>Setting Up Native IPv6 Connectivity, A Network Operators Overview.</title>
		<link>http://www.stuartsheldon.org/blog/2010/07/setting-up-native-ipv6-connectivity-a-network-operators-overview/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/07/setting-up-native-ipv6-connectivity-a-network-operators-overview/#comments</comments>
		<pubDate>Fri, 02 Jul 2010 23:31:16 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IPv6]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[bgp]]></category>
		<category><![CDATA[dsl]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[load balancing]]></category>
		<category><![CDATA[opensource]]></category>
		<category><![CDATA[routing]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=780</guid>
		<description><![CDATA[Setting up IPv6 connectivity. Back in December `09, my company ACT USA, began testing IPv6. These tests quickly advanced to our production environment. Over the last six months, I have been in the process of setting up native IPv6 connectivity for all our data centers. This connectivity is based on the dual stack model. This [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/07/setting-up-native-ipv6-connectivity-a-network-operators-overview/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Building Redundant Networks in Data Centers</title>
		<link>http://www.stuartsheldon.org/blog/2010/06/building-redundant-networks-in-data-centers/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/06/building-redundant-networks-in-data-centers/#comments</comments>
		<pubDate>Tue, 08 Jun 2010 00:59:02 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[bgp]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[load balancing]]></category>
		<category><![CDATA[ospf]]></category>
		<category><![CDATA[routing]]></category>
		<category><![CDATA[stp]]></category>
		<category><![CDATA[vrrp]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=734</guid>
		<description><![CDATA[Building Redundant Networks in Data Centers. I recently was asked to put together a brief web presentation on the different methods of creating redundant networks. I couldn&#8217;t think of a better place to put it, then right here on my blog. After all, I was overdue for a post anyways&#8230; What do I mean by [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/06/building-redundant-networks-in-data-centers/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Amazon Brute Force SIP Attacks &#8211; Dave Michels Interviews Me</title>
		<link>http://www.stuartsheldon.org/blog/2010/04/amazon-brute-force-sip-attacks-dave-michels-interviews-me/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/04/amazon-brute-force-sip-attacks-dave-michels-interviews-me/#comments</comments>
		<pubDate>Mon, 19 Apr 2010 21:09:34 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Abuse]]></category>
		<category><![CDATA[Amazon]]></category>
		<category><![CDATA[Attack]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[DDOS]]></category>
		<category><![CDATA[DoS]]></category>
		<category><![CDATA[EC2]]></category>
		<category><![CDATA[SIP Attack]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=712</guid>
		<description><![CDATA[Amazon Brute Force SIP Attacks &#8211; Dave Michels Interviews Me. Shortly After my &#8220;SIP Brute Force Attack Originating From Amazon EC2 Hosts&#8221; post, Dave Michels interviewed me for an article Dark Side of the Cloud. This is that interview: Dave:   What do you believe the intent was of the attacks? Free long distance? Stu: Certainly [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/04/amazon-brute-force-sip-attacks-dave-michels-interviews-me/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SIP Brute Force Attack Originating From Amazon EC2 Hosts</title>
		<link>http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/#comments</comments>
		<pubDate>Sun, 11 Apr 2010 21:46:33 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Abuse]]></category>
		<category><![CDATA[Amazon]]></category>
		<category><![CDATA[Attack]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[DDOS]]></category>
		<category><![CDATA[DoS]]></category>
		<category><![CDATA[EC2]]></category>
		<category><![CDATA[SIP Attack]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=708</guid>
		<description><![CDATA[SIP Brute Force Attack Originating From Amazon EC2 Hosts. I woke up Saturday morning to find strangely high network activity on some of our inbound connections. After a quick review, it turned out that most of the traffic was going into several of our hosted PBX systems. After a little more digging, I discovered that [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>The Technology of SCALE8x &#8211; A Post Event Review. PART &#8211; 1</title>
		<link>http://www.stuartsheldon.org/blog/2010/02/the-technology-of-scale8x-a-post-event-review-part-1/</link>
		<comments>http://www.stuartsheldon.org/blog/2010/02/the-technology-of-scale8x-a-post-event-review-part-1/#comments</comments>
		<pubDate>Mon, 22 Feb 2010 23:19:35 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IPv6]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[dsl]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[opensource]]></category>
		<category><![CDATA[presentation]]></category>

		<guid isPermaLink="false">http://www.stuartsheldon.org/blog/?p=682</guid>
		<description><![CDATA[The Technology of SCALE8x &#8211; A Post Event Review. PART &#8211; 1 Every February in Los Angeles CA, a group of dedicated volunteers get together to put on what many believe to be the largest all volunteer organized open source technology conventions in the US. This three day event features talks and exhibits specifically targeted [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2010/02/the-technology-of-scale8x-a-post-event-review-part-1/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Choosing A Web Content Management Software.</title>
		<link>http://www.stuartsheldon.org/blog/2009/07/choosing-a-web-content-management-software/</link>
		<comments>http://www.stuartsheldon.org/blog/2009/07/choosing-a-web-content-management-software/#comments</comments>
		<pubDate>Wed, 29 Jul 2009 01:01:34 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[content]]></category>
		<category><![CDATA[drupal]]></category>
		<category><![CDATA[joomla]]></category>
		<category><![CDATA[online]]></category>
		<category><![CDATA[online content]]></category>
		<category><![CDATA[wordpress]]></category>

		<guid isPermaLink="false">http://www.actusa.net/~stu/blog/?p=324</guid>
		<description><![CDATA[Choosing the right software for your dynamic web content management is important. There are tons of hosted and installable software packages out there that do web content management. Some good, some not so good. Only one thing is certain, you&#8217;ll have your work cut out for you if you choose the wrong one. I&#8217;m going [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2009/07/choosing-a-web-content-management-software/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Is The Internet Killing Main Street?</title>
		<link>http://www.stuartsheldon.org/blog/2009/07/is-the-internet-killing-main-street/</link>
		<comments>http://www.stuartsheldon.org/blog/2009/07/is-the-internet-killing-main-street/#comments</comments>
		<pubDate>Thu, 16 Jul 2009 15:20:07 +0000</pubDate>
		<dc:creator>Stuart Sheldon</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[new economy]]></category>
		<category><![CDATA[small business]]></category>

		<guid isPermaLink="false">http://www.actusa.net/~stu/blog/?p=122</guid>
		<description><![CDATA[Is the Internet killing Main Street, or was it already dead? When I was a kid, I could walk down Las Tunas Blvd. and not go more then 3 store fronts without knowing the the business owner&#8217;s names. Well, at least their family names, because back then you called people by their last name, usually [...]]]></description>
		<wfw:commentRss>http://www.stuartsheldon.org/blog/2009/07/is-the-internet-killing-main-street/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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