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	<title>David Xia</title>
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	<link>http://www.davidxia.com</link>
	<description>The cure for boredom is curiosity. There is no cure for curiosity.</description>
	<lastBuildDate>Tue, 21 Feb 2012 21:31:15 +0000</lastBuildDate>
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		<item>
		<title>Making History</title>
		<link>http://www.davidxia.com/2012/02/making-history?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=making-history</link>
		<comments>http://www.davidxia.com/2012/02/making-history#comments</comments>
		<pubDate>Mon, 20 Feb 2012 19:46:33 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Chinese Culture]]></category>
		<category><![CDATA[Personal]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2597</guid>
		<description><![CDATA[Final paper submission on December 12, 2009 for Columbia University&#8217;s Nonfiction Workshop class. China has a long history of forgetting its past. When intellectuals criticized the first emperor in 213 BCE for burning classical books that could undermine his rule, he buried them alive. Two millennia later, Mao Zedong told throngs of teenage Red Guards [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>15 Ways to Increase Your WordPress&#8217; Security</title>
		<link>http://www.davidxia.com/2012/02/15-ways-to-increase-your-wordpress-security?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=15-ways-to-increase-your-wordpress-security</link>
		<comments>http://www.davidxia.com/2012/02/15-ways-to-increase-your-wordpress-security#comments</comments>
		<pubDate>Sat, 18 Feb 2012 21:26:18 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Information Security]]></category>
		<category><![CDATA[Programming & Software]]></category>
		<category><![CDATA[wordpress security]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2572</guid>
		<description><![CDATA[1. Don&#8217;t Display Error Messages on Failed Login WordPress&#8217; admin screen displays &#8220;ERROR: Invalid username.&#8221; if you enter an invalid username. But if you enter a valid username and an incorrect password, it&#8217;ll say &#8220;ERROR: Incorrect password.&#8221; This basic security flaw tells intruders which usernames to target. I don&#8217;t understand why the WordPress team designed [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/02/15-ways-to-increase-your-wordpress-security/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Hear TV Show Characters Say a Quote &#8211; Playing With Twilio</title>
		<link>http://www.davidxia.com/2012/02/hear-tv-show-characters-say-a-quote-playing-with-twilio?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=hear-tv-show-characters-say-a-quote-playing-with-twilio</link>
		<comments>http://www.davidxia.com/2012/02/hear-tv-show-characters-say-a-quote-playing-with-twilio#comments</comments>
		<pubDate>Wed, 15 Feb 2012 21:19:55 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[Programming & Software]]></category>
		<category><![CDATA[twilio]]></category>
		<category><![CDATA[twitter bots]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2552</guid>
		<description><![CDATA[I was inspired by Rob Spectre&#8217;s Laugh-o-tron and made a telephony extension to my Twitter Bots. Try it out. Call 646-480-6046 to talk to various TV show characters. Right now the vast majority of the quotes are spoken by a text-to-speech program because I have to find, crop, and upload audio files for each one. [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/02/hear-tv-show-characters-say-a-quote-playing-with-twilio/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>8 Ways to Defend Against Brute Force SSH Attacks</title>
		<link>http://www.davidxia.com/2012/02/8-ways-to-defend-against-brute-force-ssh-attacks?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=8-ways-to-defend-against-brute-force-ssh-attacks</link>
		<comments>http://www.davidxia.com/2012/02/8-ways-to-defend-against-brute-force-ssh-attacks#comments</comments>
		<pubDate>Sun, 12 Feb 2012 16:08:19 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Information Security]]></category>
		<category><![CDATA[Programming & Software]]></category>
		<category><![CDATA[denyhosts]]></category>
		<category><![CDATA[iptable whitelist]]></category>
		<category><![CDATA[ssh banner]]></category>
		<category><![CDATA[ssh brute force]]></category>
		<category><![CDATA[ssh dictionary attack]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2514</guid>
		<description><![CDATA[I looked at my server&#8217;s auth logs today and was unsettled to find thousands of lines like these: Feb 12 06:49:52 localhost sshd[25416]: Invalid user photo from xxx.xxx.xxx.xxx Feb 12 06:49:52 localhost sshd[25416]: pam_unix(sshd:auth): check pass; user unknown Feb 12 06:49:52 localhost sshd[25416]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=some.random.domain Feb 12 06:49:54 [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/02/8-ways-to-defend-against-brute-force-ssh-attacks/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to Send Email with Postfix on Ubuntu via Gmail SMTP</title>
		<link>http://www.davidxia.com/2012/02/how-to-send-email-with-postfix-on-ubuntu-via-gmail-smtp?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=how-to-send-email-with-postfix-on-ubuntu-via-gmail-smtp</link>
		<comments>http://www.davidxia.com/2012/02/how-to-send-email-with-postfix-on-ubuntu-via-gmail-smtp#comments</comments>
		<pubDate>Fri, 10 Feb 2012 04:19:54 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Programming & Software]]></category>
		<category><![CDATA[gmail smtp]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[ubuntu server]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2435</guid>
		<description><![CDATA[I just setup email sending on my server by following this clear tutorial. The tutorial walked me through setting up Postfix on an Ubuntu server and sending email via Gmail&#8217;s SMTP. I had to create a certificate, sign it, have my server communicate via some secure transport layer with Gmail using another certificate signed by [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/02/how-to-send-email-with-postfix-on-ubuntu-via-gmail-smtp/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Redesign</title>
		<link>http://www.davidxia.com/2012/02/redesign?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=redesign</link>
		<comments>http://www.davidxia.com/2012/02/redesign#comments</comments>
		<pubDate>Wed, 08 Feb 2012 04:02:04 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Design]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2152</guid>
		<description><![CDATA[I just finished redesigning my site. It was a lot more work than I expected. After becoming interested in Swiss design, both philosophically and aesthetically, I was inspired by the personal websites of Rdio and Django designer Wilson Miner, former New York Times web designer Khoi Vinh, and an Argentinian designer. So I took elements [...]]]></description>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>The Origin of the World Wide Web</title>
		<link>http://www.davidxia.com/2012/02/the-origin-of-the-world-wide-web?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=the-origin-of-the-world-wide-web</link>
		<comments>http://www.davidxia.com/2012/02/the-origin-of-the-world-wide-web#comments</comments>
		<pubDate>Wed, 01 Feb 2012 20:51:47 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[html]]></category>
		<category><![CDATA[http]]></category>
		<category><![CDATA[tim berners-lee]]></category>
		<category><![CDATA[uri]]></category>
		<category><![CDATA[weaving the web]]></category>
		<category><![CDATA[world wide web]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2120</guid>
		<description><![CDATA[I&#8217;m reading Tim Berners-Lee&#8217;s book Weaving the Web about how he conceived of and designed the world wide web. For a long time I never really got the distinction between the &#8220;Internet&#8221; and the &#8220;world wide web.&#8221; To me they were the same thing, and they might be for many other folks too. But in [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/02/the-origin-of-the-world-wide-web/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How the Internet&#8217;s Domain Name System Works</title>
		<link>http://www.davidxia.com/2012/01/how-the-internets-domain-name-system-works?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=how-the-internets-domain-name-system-works</link>
		<comments>http://www.davidxia.com/2012/01/how-the-internets-domain-name-system-works#comments</comments>
		<pubDate>Mon, 09 Jan 2012 03:28:21 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[domain name system]]></category>
		<category><![CDATA[ip address]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2093</guid>
		<description><![CDATA[So what exactly happens when you type &#8220;davidxia.com&#8221; into your browser&#8217;s address field and hit &#8220;Enter&#8221;? A website is simply a collection of online content ranging from text documents to images to video. All this content lives in physical machines called servers. Servers listen for incoming calls or requests from web browsers or applications and [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/01/how-the-internets-domain-name-system-works/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>College Isn&#8217;t and Shouldn&#8217;t Be the Best Years of Your Life</title>
		<link>http://www.davidxia.com/2012/01/college-isnt-and-shouldnt-be-the-best-years-of-your-life?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=college-isnt-and-shouldnt-be-the-best-years-of-your-life</link>
		<comments>http://www.davidxia.com/2012/01/college-isnt-and-shouldnt-be-the-best-years-of-your-life#comments</comments>
		<pubDate>Sat, 07 Jan 2012 22:50:52 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[college best years]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2081</guid>
		<description><![CDATA[&#8220;College will be the best four years of your life.&#8221; If you&#8217;re a high schooler, someone&#8217;s probably told you this. If you&#8217;re an adult, you&#8217;ve probably said this to some impressionable young person. If you think this sentence is bullshit and at worst a harmful sentiment to say or hear, you&#8217;re with me. Imagine a [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/01/college-isnt-and-shouldnt-be-the-best-years-of-your-life/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>What Do Venture Capitalists Do All Day?</title>
		<link>http://www.davidxia.com/2012/01/what-do-venture-capitalists-do-all-day?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=what-do-venture-capitalists-do-all-day</link>
		<comments>http://www.davidxia.com/2012/01/what-do-venture-capitalists-do-all-day#comments</comments>
		<pubDate>Sat, 07 Jan 2012 21:44:27 +0000</pubDate>
		<dc:creator>David</dc:creator>
				<category><![CDATA[Startups & Entrepreneurism]]></category>
		<category><![CDATA[dana mead]]></category>
		<category><![CDATA[kleiner perkins]]></category>
		<category><![CDATA[venture capital]]></category>

		<guid isPermaLink="false">http://www.davidxia.com/?p=2069</guid>
		<description><![CDATA[I just listened to a great episode of Stanford Technology Ventures Program&#8217;s Entrepreneurship podcast. This one has Kleiner Perkins Caufield &#038; Byers partner Dana Mead explaining what venture capitalists do as an industry, as individuals in their day to day life, and how he decides where to invest. Mead&#8217;s talk is very informative. Here are [...]]]></description>
		<wfw:commentRss>http://www.davidxia.com/2012/01/what-do-venture-capitalists-do-all-day/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
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