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><channel><title>Chronophage.net Blog &#187; Security</title> <atom:link href="http://blog.chronophage.net/category/security/feed/" rel="self" type="application/rss+xml" /><link>http://blog.chronophage.net</link> <description>A Complete Waste of Time.</description> <lastBuildDate>Fri, 03 Feb 2012 04:07:11 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=</generator> <item><title>IPv6</title><link>http://blog.chronophage.net/2011/03/30/ipv6/</link> <comments>http://blog.chronophage.net/2011/03/30/ipv6/#comments</comments> <pubDate>Wed, 30 Mar 2011 16:00:54 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[Administration]]></category> <category><![CDATA[E-Mail]]></category> <category><![CDATA[Hardware]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Software]]></category> <category><![CDATA[UNIX 101]]></category> <category><![CDATA[Virtualization]]></category> <category><![CDATA[6to4]]></category> <category><![CDATA[advocacy]]></category> <category><![CDATA[apache]]></category> <category><![CDATA[DNS]]></category> <category><![CDATA[dovecot]]></category> <category><![CDATA[ipv6]]></category> <category><![CDATA[linux]]></category> <category><![CDATA[mail]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[pop-imap]]></category> <category><![CDATA[postfix]]></category> <category><![CDATA[teredo]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[virtulization]]></category> <category><![CDATA[web]]></category><guid
isPermaLink="false">http://blog.chronophage.net/?p=892</guid> <description><![CDATA[So&#8230; It&#8217;s been awhile. Recently, I&#8217;ve decided to make sure that all of my servers were IPv6 addressable. This was made infinitely easier by working at a forward thinking ISP. So a quick email to our network admin and bam! IPv6 routed to my vlan! Now, what to do with it? First. My software firewall [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2011/03/30/ipv6/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Nicholas and the Not So Stateful Firewall</title><link>http://blog.chronophage.net/2010/12/03/nicholas-and-the-not-so-stateful-firewall/</link> <comments>http://blog.chronophage.net/2010/12/03/nicholas-and-the-not-so-stateful-firewall/#comments</comments> <pubDate>Sat, 04 Dec 2010 03:36:19 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[Administration]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Virtualization]]></category><guid
isPermaLink="false">http://blog.chronophage.net/?p=782</guid> <description><![CDATA[Maybe I&#8217;m in a children&#8217;s book mood while I wait for my daughter to be born, but that title popped into my head. It&#8217;s been awhile, sorry. Anyways, I&#8217;ve got a semi-production set of virtual servers running on an ESXi machine, and I thought it was about time to firewall them off. One problem, firewalls [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2010/12/03/nicholas-and-the-not-so-stateful-firewall/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Sud&#8217;oh!</title><link>http://blog.chronophage.net/2010/04/16/sudoh/</link> <comments>http://blog.chronophage.net/2010/04/16/sudoh/#comments</comments> <pubDate>Fri, 16 Apr 2010 14:04:42 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[Administration]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2010/04/16/sudo-doh/</guid> <description><![CDATA[&#8220;Sudo&#8217;s command matching routine expects actual commands to include one or more slash (&#8216;/&#8217;) characters. The flaw is that sudo&#8217;s path resolution code did not add a &#8220;./&#8221; prefix to commands found in the current working directory. This creates an ambiguity between a &#8220;sudoedit&#8221; command found in the cwd and the &#8220;sudoedit&#8221; pseudo-command in the [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2010/04/16/sudoh/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Greylisting&#8230;Again</title><link>http://blog.chronophage.net/2009/12/02/greylisting-again/</link> <comments>http://blog.chronophage.net/2009/12/02/greylisting-again/#comments</comments> <pubDate>Wed, 02 Dec 2009 18:03:09 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[E-Mail]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Software]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2009/12/02/greylisting-again/</guid> <description><![CDATA[Certain&#8230;Parties&#8230; Have intoned I am  goofy for implementing weird &#8220;mail bouncy thing&#8221; that is sometimes frustrating and is a silly anti-spam technique. Well, that would be Greylisting, and while it&#8217;s weird, it also drops a lot of spam getting through. Greylisting is a very simple technique. It basically is a daemon attached to database that [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2009/12/02/greylisting-again/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Calls from AT&amp;T to Google Voice are not allowed.</title><link>http://blog.chronophage.net/2009/08/26/calls-from-att-to-google-voice-are-not-allowed/</link> <comments>http://blog.chronophage.net/2009/08/26/calls-from-att-to-google-voice-are-not-allowed/#comments</comments> <pubDate>Wed, 26 Aug 2009 19:46:31 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Uncategorized]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2009/08/26/calls-from-att-to-google-voice-are-not-allowed/</guid> <description><![CDATA[It seems that they are being blocked. I called technical support and requested that the &#8220;Case be escalated.&#8221; From my limited experience, this seems to be an AT&#038;T issue, as I can reach my Google Voice number from a landline, and I&#8217;m not getting a fast busy, or other such errors. If this is not [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2009/08/26/calls-from-att-to-google-voice-are-not-allowed/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Curiosity</title><link>http://blog.chronophage.net/2009/08/21/curiosity/</link> <comments>http://blog.chronophage.net/2009/08/21/curiosity/#comments</comments> <pubDate>Fri, 21 Aug 2009 15:50:25 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[DNS]]></category> <category><![CDATA[Software]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2009/08/21/curiousity/</guid> <description><![CDATA[People are so curious nowadays&#8230; Today I&#8217;ve received one NMAP ping from Colorado State (I&#8217;m guessing since I recently downloaded NMAP) and one &#8220;Version&#8221; query from ISC.org. Or at least, I think I have. Oh well, no harm done. Posts Related to CuriosityPostfix MySQL and You!Postfix is surprisingly flexible. When I initially set it up [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2009/08/21/curiosity/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>DNS and you!</title><link>http://blog.chronophage.net/2009/07/31/dns-and-you/</link> <comments>http://blog.chronophage.net/2009/07/31/dns-and-you/#comments</comments> <pubDate>Sat, 01 Aug 2009 04:00:39 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[DNS]]></category> <category><![CDATA[Software]]></category> <category><![CDATA[UNIX 101]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2009/07/31/dns-and-you/</guid> <description><![CDATA[Say what you want about Kaminsky. I mean, the man is crazy. However, being on call when your employer, a regional ISP, reboots both the primary and secondary DNS servers, makes you appreciate how important DNS is in the grand scheme of internet things. Granted, his attack is fairly novel, but yeah&#8230; I&#8217;m glad ISC [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2009/07/31/dns-and-you/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>It&#8217;s the most wonderful time of the year&#8230;</title><link>http://blog.chronophage.net/2009/07/29/its-the-most-wonderful-time-of-the-year/</link> <comments>http://blog.chronophage.net/2009/07/29/its-the-most-wonderful-time-of-the-year/#comments</comments> <pubDate>Thu, 30 Jul 2009 02:58:19 +0000</pubDate> <dc:creator>Nick</dc:creator> <category><![CDATA[News]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[joke]]></category><guid
isPermaLink="false">http://blog.chronophage.net/2009/07/29/its-the-most-wonderful-time-of-the-year/</guid> <description><![CDATA[Where the hackers are crowing and exploits are flowing, seeding new ph34r. It&#8217;s the most wonderful time of the year. It&#8217;s the hap-happiest season of all, when your software&#8217;s updating and admins are hating users not on the ball. It&#8217;s the hap-happiest season of all! Seriously, can we spread out BH DefCon et al? I [...]]]></description> <wfw:commentRss>http://blog.chronophage.net/2009/07/29/its-the-most-wonderful-time-of-the-year/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
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