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	<title>Stuff... &#187; Protocols</title>
	<atom:link href="http://www.moe.co.uk/category/protocols/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.moe.co.uk</link>
	<description>I know I will forget.</description>
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		<title>QR barcodes and Perl</title>
		<link>http://www.moe.co.uk/2011/02/25/qr-barcodes-and-perl/</link>
		<comments>http://www.moe.co.uk/2011/02/25/qr-barcodes-and-perl/#comments</comments>
		<pubDate>Fri, 25 Feb 2011 09:56:50 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Coding]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Protocols]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=650</guid>
		<description><![CDATA[Creating QR Code with perl module Imager::QRCode http://perltraining.com.au/tips/2009-10-08.html http://contentdeveloper.com/2010/01/how-to-customize-qr-codes-with-your-brands-identity/ http://qrcode.kaywa.com/ &#8211; Code generator http://fredtruman.com/how-to-create-qr-codes-using-the-mecard-format &#8211; MECARD format http://code.google.com/p/zxing/ http://code.google.com/p/zxing/wiki/BarcodeContents The following code generates this image: Code: #!/usr/bin/perl use strict; use warnings; use Getopt::Std; use Imager::QRCode; my $MECARD=&#60;&#60;END; MECARD: N:co.uk,moe; ADR:Address Field; NOTE:Testing; TEL:+440123456789; EMAIL:spam\@moe.co.uk; URL:http://www.moe.co.uk;; END $MECARD =~ s/\n//; my %opts = ( o =&#62; [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>HTTP accelerators/proxies</title>
		<link>http://www.moe.co.uk/2011/02/24/http-acceleratorsproxies/</link>
		<comments>http://www.moe.co.uk/2011/02/24/http-acceleratorsproxies/#comments</comments>
		<pubDate>Thu, 24 Feb 2011 11:36:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=655</guid>
		<description><![CDATA[There are a number of different light weight webservers that can proxy/accelerate performance of traditional webservers such as apache/iis. Some of these are: nginx &#8211; lightweight, high-performance web server, reverse proxy and e-mail proxy (IMAP/POP3) litespeed http://www.varnish-cache.org/ Lighttpd &#8211; open-source web server, optimized for speed-critical environments Polipo &#8211; a caching web proxy Have seen good [...]]]></description>
		<wfw:commentRss>http://www.moe.co.uk/2011/02/24/http-acceleratorsproxies/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Google page speed module for Apache</title>
		<link>http://www.moe.co.uk/2010/11/04/google-page-speed-module-for-apache/</link>
		<comments>http://www.moe.co.uk/2010/11/04/google-page-speed-module-for-apache/#comments</comments>
		<pubDate>Thu, 04 Nov 2010 11:48:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Coding]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[apache]]></category>
		<category><![CDATA[google]]></category>
		<category><![CDATA[optimise]]></category>
		<category><![CDATA[page speed]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=636</guid>
		<description><![CDATA[Google have released an Apache module to optimise content on the fly.  Going to try it out soon: http://code.google.com/speed/page-speed/docs/overview.html]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Plesk 9.3 IMP Horde &#8220;Requested message not found&#8221;</title>
		<link>http://www.moe.co.uk/2010/10/21/plesk-9-3-imp-horde-requested-message-not-found/</link>
		<comments>http://www.moe.co.uk/2010/10/21/plesk-9-3-imp-horde-requested-message-not-found/#comments</comments>
		<pubDate>Thu, 21 Oct 2010 11:50:16 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Control Panels]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[horde]]></category>
		<category><![CDATA[imap]]></category>
		<category><![CDATA[imp]]></category>
		<category><![CDATA[Plesk]]></category>
		<category><![CDATA[Requested message not found]]></category>
		<category><![CDATA[webmail]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=607</guid>
		<description><![CDATA[Having strange intermittent issues with horde IMP webmail returning &#8220;Requested message not found&#8221; when clicking on a message in the inbox. Packages: psa-horde-3.1.7-cos5.build93091230.06 php-5.2.14-2.el5.art php-imap-5.2.14-2.el5.art psa-9.3.0-cos5.build93091230.06 courier-imap-3.0.8-cos5.build93091230.06 psa-imp-4.1.6-cos5.build93091230.06 Additions: xcache 1.3.0 mod_security I have tested disabling mod_security which did not help.  Also, tried disabling xcache which also has not helped. Trying to find the problem [...]]]></description>
		<wfw:commentRss>http://www.moe.co.uk/2010/10/21/plesk-9-3-imp-horde-requested-message-not-found/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Horde redirect.php Segmentation fault (11)</title>
		<link>http://www.moe.co.uk/2010/10/06/horde-redirect-php-segmentation-fault-11/</link>
		<comments>http://www.moe.co.uk/2010/10/06/horde-redirect-php-segmentation-fault-11/#comments</comments>
		<pubDate>Wed, 06 Oct 2010 10:19:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Control Panels]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[11]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[horde]]></category>
		<category><![CDATA[imp]]></category>
		<category><![CDATA[Plesk]]></category>
		<category><![CDATA[segmentation fault]]></category>
		<category><![CDATA[webmail]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=593</guid>
		<description><![CDATA[Horde webmail was displaying a blank page on login, or, in firefox asking to download redirect.php. OS: CentOS 5.5 Plesk: 9.3.x In the error_log for the mail webserver saw a lot of errors: [Tue Oct 05 16:38:38 2010] [notice] child pid 4349 exit signal Segmentation fault (11) [Tue Oct 05 16:38:38 2010] [notice] child pid [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Apache browser caching</title>
		<link>http://www.moe.co.uk/2010/09/28/apache-browser-caching/</link>
		<comments>http://www.moe.co.uk/2010/09/28/apache-browser-caching/#comments</comments>
		<pubDate>Tue, 28 Sep 2010 09:59:31 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[apache]]></category>
		<category><![CDATA[mod_expires]]></category>
		<category><![CDATA[page speed]]></category>
		<category><![CDATA[results]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=571</guid>
		<description><![CDATA[Tried these values in a .htaccess file to make page speed results better.  Seems to have increased overall responsiveness in browser: &#60;IfModule mod_expires.c&#62; ExpiresActive On ExpiresDefault &#8220;access plus 1 seconds&#8221; ExpiresByType text/html &#8220;access plus 1 seconds&#8221; ExpiresByType image/gif &#8220;access plus 7 days&#8221; ExpiresByType image/jpeg &#8220;access plus 7 days&#8221; ExpiresByType image/png &#8220;access plus 7 days&#8221; ExpiresByType [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Top spammers by country</title>
		<link>http://www.moe.co.uk/2010/09/22/top-spammers-by-country/</link>
		<comments>http://www.moe.co.uk/2010/09/22/top-spammers-by-country/#comments</comments>
		<pubDate>Wed, 22 Sep 2010 18:36:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Networking]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[country]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[top]]></category>
		<category><![CDATA[USA]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=580</guid>
		<description><![CDATA[In the previous post we were Importing country ISO 3166 codes into MySQL database, because, we wanted to run a script over all the junk mail caught in our catch all mailboxes. The script checked the received headers of the email and finds the IP address of the sender.  Then, looks up the country that [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Command output: ERR: authdaemon: s_connect() failed: Permission denied maildrop</title>
		<link>http://www.moe.co.uk/2010/08/19/command-output-err-authdaemon-s_connect-failed-permission-denied-maildrop/</link>
		<comments>http://www.moe.co.uk/2010/08/19/command-output-err-authdaemon-s_connect-failed-permission-denied-maildrop/#comments</comments>
		<pubDate>Thu, 19 Aug 2010 13:18:09 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[authdaemon]]></category>
		<category><![CDATA[authentication]]></category>
		<category><![CDATA[Command output]]></category>
		<category><![CDATA[denied]]></category>
		<category><![CDATA[failure]]></category>
		<category><![CDATA[maildrop]]></category>
		<category><![CDATA[permission]]></category>
		<category><![CDATA[s_connect()]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=565</guid>
		<description><![CDATA[Was receiving the following errors in the mail.log after upgrade from Ubuntu 8.04 LTS to Ubuntu 10.4 LTS: Aug 19 12:32:55 mail postfix/pipe[2208]: 88FD22BC84: to=&#60;user@domain&#62;, relay=maildrop, delay=1180, delays=1180/0.02/0/0.04, dsn=4.3.0, status=deferred (temporary failure. Command output: ERR: authdaemon: s_connect() failed: Permission denied /usr/local/maildrop/bin/maildrop.bin: Temporary authentication failure. ) I had previously installed maildrop from source, but, decided to [...]]]></description>
		<wfw:commentRss>http://www.moe.co.uk/2010/08/19/command-output-err-authdaemon-s_connect-failed-permission-denied-maildrop/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Deleting the postfix defer and deferred queues</title>
		<link>http://www.moe.co.uk/2010/03/16/deleting-the-postfix-defer-and-deferred-queues/</link>
		<comments>http://www.moe.co.uk/2010/03/16/deleting-the-postfix-defer-and-deferred-queues/#comments</comments>
		<pubDate>Tue, 16 Mar 2010 16:34:37 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[defer]]></category>
		<category><![CDATA[deferred]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[postsuper]]></category>
		<category><![CDATA[queue]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=347</guid>
		<description><![CDATA[The /var/spool/postfix/defer and /var/spool/postfix/deferred queues had gone crazy on a server and was filling up the log files with rubbish.  Needed to delete the defer and deferred queues. postsuper -d ALL defer postsuper -d ALL deferred Did the trick nicely.  postsuper(1) appears to be quite helpful for this.]]></description>
		<wfw:commentRss>http://www.moe.co.uk/2010/03/16/deleting-the-postfix-defer-and-deferred-queues/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>PHP HTML email to Exchange server not displaying in Outlook</title>
		<link>http://www.moe.co.uk/2010/03/02/php-html-email-to-exchange-server-not-displaying-in-outlook/</link>
		<comments>http://www.moe.co.uk/2010/03/02/php-html-email-to-exchange-server-not-displaying-in-outlook/#comments</comments>
		<pubDate>Tue, 02 Mar 2010 14:59:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Operating System]]></category>
		<category><![CDATA[Protocols]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[exchange]]></category>
		<category><![CDATA[linefeed]]></category>
		<category><![CDATA[markup]]></category>
		<category><![CDATA[outlook]]></category>
		<category><![CDATA[php]]></category>
		<category><![CDATA[php4]]></category>
		<category><![CDATA[php5]]></category>
		<category><![CDATA[PHPFMG_LNCR]]></category>
		<category><![CDATA[qmail]]></category>
		<category><![CDATA[return]]></category>
		<category><![CDATA[webserver]]></category>

		<guid isPermaLink="false">http://www.moe.co.uk/?p=327</guid>
		<description><![CDATA[Was using Free PHP Formmail Generator : http://phpfmg.sourceforge.net to send the contents of a form and when sending to most mail servers/mail clients it would work great.  When sending to a Microsoft Exchange server the HTML contents of the email was displayed as text (not marked up). Tried this with PHP4 and PHP5 and had [...]]]></description>
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		<slash:comments>1</slash:comments>
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