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	<title>The Grumpy Old Techie &#187; network</title>
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	<description>Rants and Raves about Technology by the Grumpy Old Techie</description>
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		<title>The internet is a scary place!</title>
		<link>http://www.grumpyoldtechie.com/wordpress2/2009/05/05/the-internet-is-a-scary-place/</link>
		<comments>http://www.grumpyoldtechie.com/wordpress2/2009/05/05/the-internet-is-a-scary-place/#comments</comments>
		<pubDate>Tue, 05 May 2009 12:47:26 +0000</pubDate>
		<dc:creator>Grumpy Old Techie</dc:creator>
				<category><![CDATA[Stuff]]></category>
		<category><![CDATA[Tech]]></category>
		<category><![CDATA[e-mail]]></category>
		<category><![CDATA[glug]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[internet connectivity solutions]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[linux users group]]></category>
		<category><![CDATA[local network]]></category>
		<category><![CDATA[luser]]></category>
		<category><![CDATA[mail]]></category>
		<category><![CDATA[mail list]]></category>
		<category><![CDATA[man in the middle attack]]></category>
		<category><![CDATA[network]]></category>
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		<category><![CDATA[windows]]></category>

		<guid isPermaLink="false">http://www.grumpyoldtechie.com/wordpress2/?p=1006</guid>
		<description><![CDATA[If you are an IT professional providing customers with Internet connectivity solutions you know that the internet is a scary place. Back in the dark ages (before 1993) when things started out everyone using the internet trusted each other. Unfortunately things changed drastically and trust is a thing of the past on the internet. When [...]]]></description>
			<content:encoded><![CDATA[<p>If you are an IT professional providing customers with Internet connectivity solutions you know that the internet is a scary place. Back in the dark ages (before 1993) when things started out everyone using the internet trusted each other. Unfortunately things changed drastically and trust is a thing of the past on the internet.</p>
<p>When you set up an internet connection for a customer you do everything you can to protect them, you set up a restrictive firewall, you have a proxy that enforces policy for web surfing as far as possible. You also use all possible means to block spam and viruses in e-mail before they reach the lusers that still believe Bill Gates will give them free Nokia cellphones.</p>
<p>After you did all the technical stuff, you tell everyone (you know it falls on deaf ears, but you have to try) that they must not visit those porn sites, that they must copy links in e-mail and paste them into their browser rather than simply clicking on them etc. So what happens when one of the lusers that actually listened goes to a legitimate website and still have his windows computer exploited? Or if they are lucky the lusers get a warning from their anti-virus software and the site gets blocked.<br />
<span id="more-1006"></span><br />
The sad part is that even very competent IT professionals have extreme difficulty to prevent all exploits on the internet even when they do all the right things. You can read a fascinating account in  the Gauteng Linux Users Group mail list archives of such a case where someone&#8217;s web site got exploited by quite a nasty man in the middle attack. </p>
<p>In  short, a windows server (every one says, we are not surprised) was compromised in a data centre and intercepted traffic from other servers on the same local network. By doing this it managed to redirect innocent visitors of well managed websites to malicious websites that attempted to compromise the visitors&#8217; machines. You can read the gory details at <a href="http://www.linux.org.za/Lists-Archives/glug-tech-0905/msg00009.html">http://www.linux.org.za/Lists-Archives/glug-tech-0905/msg00009.html</a> and more detail at <a href="http://www.linux.org.za/Lists-Archives/glug-tech-0905/msg00026.html">http://www.linux.org.za/Lists-Archives/glug-tech-0905/msg00026.html</a>.  Links to the whole thread is at <a href="http://www.linux.org.za/Lists-Archives/glug-tech-0905/threads.html"> http://www.linux.org.za/Lists-Archives/glug-tech-0905/threads.html</a></p>
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<p>The real scary part is that you cannot do much about something like this because even if you do have a secure local net and the web server you visit has a secure local net, this type of attack can be done anywhere in the path between you and the web server you are visiting.</p>
<p>Be careful out there.</p>

	Tags: <a href="http://www.grumpyoldtechie.com/wordpress2/tag/e-mail/" title="e-mail" rel="tag">e-mail</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/glug/" title="glug" rel="tag">glug</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/internet/" title="internet" rel="tag">internet</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/internet-connectivity-solutions/" title="internet connectivity solutions" rel="tag">internet connectivity solutions</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/linux/" title="linux" rel="tag">linux</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/linux-users-group/" title="linux users group" rel="tag">linux users group</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/local-network/" title="local network" rel="tag">local network</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/luser/" title="luser" rel="tag">luser</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail/" title="mail" rel="tag">mail</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail-list/" title="mail list" rel="tag">mail list</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/man-in-the-middle-attack/" title="man in the middle attack" rel="tag">man in the middle attack</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/network/" title="network" rel="tag">network</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/software/" title="software" rel="tag">software</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/tech/" title="Tech" rel="tag">Tech</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/website/" title="website" rel="tag">website</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/windows/" title="windows" rel="tag">windows</a><br />
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		<title>Will they ever learn?</title>
		<link>http://www.grumpyoldtechie.com/wordpress2/2009/04/04/will-they-ever-learn/</link>
		<comments>http://www.grumpyoldtechie.com/wordpress2/2009/04/04/will-they-ever-learn/#comments</comments>
		<pubDate>Fri, 03 Apr 2009 22:09:27 +0000</pubDate>
		<dc:creator>Grumpy Old Techie</dc:creator>
				<category><![CDATA[Stuff]]></category>
		<category><![CDATA[Tech]]></category>
		<category><![CDATA[bittorrent]]></category>
		<category><![CDATA[blog]]></category>
		<category><![CDATA[business model]]></category>
		<category><![CDATA[commercialise]]></category>
		<category><![CDATA[computer]]></category>
		<category><![CDATA[creative commons licenses]]></category>
		<category><![CDATA[decent money]]></category>
		<category><![CDATA[downloaders]]></category>
		<category><![CDATA[e-mail]]></category>
		<category><![CDATA[free art]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[jamendo]]></category>
		<category><![CDATA[mail]]></category>
		<category><![CDATA[musicians]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[ogg vorbis]]></category>
		<category><![CDATA[pirate bay]]></category>
		<category><![CDATA[share]]></category>
		<category><![CDATA[three strikes laws]]></category>
		<category><![CDATA[unauthorised copies]]></category>
		<category><![CDATA[war]]></category>

		<guid isPermaLink="false">http://www.grumpyoldtechie.com/wordpress2/?p=999</guid>
		<description><![CDATA[The big media companies and their cronies are getting more and more desperate to try save their totally outdated business model. Modern computers make it ridiculously easy and cheap to copy and distribute any media. The media companies are however trying very hard to overcharge people for what they can do very easily themselves. Most [...]]]></description>
			<content:encoded><![CDATA[<p>The big media companies and their cronies are getting more and more desperate  to try save their totally outdated business model. Modern computers make it ridiculously easy and cheap to copy and distribute any media. The media companies are however trying very hard to overcharge people for what they can do very easily themselves. Most people know that it is illegal to make unauthorised copies of copyrighted materials, but if the holders of the copyright charge way too much and chances are that you will not get caught people will simply copy the material illegally.<br />
<span id="more-999"></span><br />
They now have also started to get governments to implement so called &#8220;three strike&#8221; laws to prevent people from downloading music, movies etc from the internet. These laws work like this:<br />
Illegal downloaders will be warned that they better stop, by sending them an e-mail,  followed by a letter, and eventually go as far as cutting off their internet connection. Hence the “three strikes” denomination. </p>
<p>It is of course quite easy to stay relatively anonymous on the internet and services like <a href="http://www.piratebay.com/">Pirate Bay</a> are already offering ways to work around these new laws.</p>
<p>There are however people that figured out how to make use of the new technologies to distribute media and still make decent money. <a href=" http://www.jamendo.com">Jamendo</a>  is one of these companies. All music on Jamendo is free to download and licensed through one of several Creative Commons licenses or the Free Art License, making it legal to copy and share, as well as to modify and make commercial use of for some, depending on the license. Jamendo allows streaming of all of its thousands of albums in either Ogg Vorbis or MP3 format, and downloads through the BitTorrent and eDonkey networks. Jamendo also helps musicians to commercialise  their music via their <a href="http://pro.jamendo.com/en/">Jamendo Pro</a> services.</p>
<p>On 23 March Jamendo published an ironic statement against the &#8220;Three strikes&#8221; laws. It is called <a href="http://blog.jamendo.com/2009/03/23/three-strikes-vs-more-strikes/">&#8220;Three strikes vs. three thanks&#8221;</a>. In a nutshell &#8211; they will reward people for downloading music, instead of punishing them showing &#8220;&#8230;that there are plenty of talented artists who know how to profit from the opportunities offered by the internet and embrace innovative monetization models&#8230;&#8221; Hopefully many more artists will join them.</p>
<p>BTW if you are in Johannesburg and want to hear a really great band that publish all their music under a creative commons license, <a href="http://www.nul.com.sg/">NUL</a> are playing at the Bohemian tonight 4/4/2009.</p>
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	Tags: <a href="http://www.grumpyoldtechie.com/wordpress2/tag/bittorrent/" title="bittorrent" rel="tag">bittorrent</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/blog/" title="blog" rel="tag">blog</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/business-model/" title="business model" rel="tag">business model</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/commercialise/" title="commercialise" rel="tag">commercialise</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/computer/" title="computer" rel="tag">computer</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/creative-commons-licenses/" title="creative commons licenses" rel="tag">creative commons licenses</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/decent-money/" title="decent money" rel="tag">decent money</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/downloaders/" title="downloaders" rel="tag">downloaders</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/e-mail/" title="e-mail" rel="tag">e-mail</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/free-art/" title="free art" rel="tag">free art</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/internet/" title="internet" rel="tag">internet</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/jamendo/" title="jamendo" rel="tag">jamendo</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail/" title="mail" rel="tag">mail</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/musicians/" title="musicians" rel="tag">musicians</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/network/" title="network" rel="tag">network</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/ogg-vorbis/" title="ogg vorbis" rel="tag">ogg vorbis</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/pirate-bay/" title="pirate bay" rel="tag">pirate bay</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/share/" title="share" rel="tag">share</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/tech/" title="Tech" rel="tag">Tech</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/three-strikes-laws/" title="three strikes laws" rel="tag">three strikes laws</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/unauthorised-copies/" title="unauthorised copies" rel="tag">unauthorised copies</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/war/" title="war" rel="tag">war</a><br />
]]></content:encoded>
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		</item>
		<item>
		<title>How to fight Zombies</title>
		<link>http://www.grumpyoldtechie.com/wordpress2/2008/04/09/how-to-fight-zombies/</link>
		<comments>http://www.grumpyoldtechie.com/wordpress2/2008/04/09/how-to-fight-zombies/#comments</comments>
		<pubDate>Wed, 09 Apr 2008 19:02:36 +0000</pubDate>
		<dc:creator>Grumpy Old Techie</dc:creator>
				<category><![CDATA[Bad Tech]]></category>
		<category><![CDATA[Stuff]]></category>
		<category><![CDATA[brute force]]></category>
		<category><![CDATA[clueless]]></category>
		<category><![CDATA[Countermeasures]]></category>
		<category><![CDATA[countries]]></category>
		<category><![CDATA[FUSSP]]></category>
		<category><![CDATA[ICT]]></category>
		<category><![CDATA[idiot]]></category>
		<category><![CDATA[Mac]]></category>
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		<category><![CDATA[mail server]]></category>
		<category><![CDATA[microsoft]]></category>
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		<category><![CDATA[open relays]]></category>
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		<category><![CDATA[police]]></category>
		<category><![CDATA[postfix]]></category>
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		<category><![CDATA[spam problem]]></category>
		<category><![CDATA[Spammers]]></category>
		<category><![CDATA[suck]]></category>
		<category><![CDATA[Tech]]></category>
		<category><![CDATA[ultimate solution]]></category>
		<category><![CDATA[user]]></category>
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		<category><![CDATA[weapons]]></category>
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		<category><![CDATA[zombies]]></category>

		<guid isPermaLink="false">http://grumpyoldtechie.com/wordpress2/?p=410</guid>
		<description><![CDATA[<p>Anyone that runs a mail server very quickly learns how to fight spam if he wants to do his job properly. It is also one of the favourite pastimes of the clueless to think up stupid ways to fight spam. Today I saw a brilliant answer to one of these ideas on the postfix mail list. <a href='http://www.grumpyoldtechie.com/wordpress2/2008/04/09/how-to-fight-zombies/' rel="nofollow">more....</a></p>Tags: brute force, clueless, Countermeasures, countries, FUSSP, ICT, idiot, Mac, machine guns, mail, mail list, mail server, microsoft, network, open relays, open source, police, postfix, software, spam problem, Spammers, suck, Tech, ultimate solution, user, war, weapons, windows, work, zombies]]></description>
			<content:encoded><![CDATA[<p>Anyone that runs a mail server very quickly learns how to fight spam if he wants to do his job properly. It is also one of the favourite pastimes of the clueless to think up stupid ways to fight spam. Today I saw a brilliant answer to one of these ideas on the postfix mail list. <a href='http://www.grumpyoldtechie.com/wordpress2/2008/04/09/how-to-fight-zombies/' rel="nofollow">more....</a></p>
	Tags: <a href="http://www.grumpyoldtechie.com/wordpress2/tag/brute-force/" title="brute force" rel="tag">brute force</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/clueless/" title="clueless" rel="tag">clueless</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/countermeasures/" title="Countermeasures" rel="tag">Countermeasures</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/countries/" title="countries" rel="tag">countries</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/fussp/" title="FUSSP" rel="tag">FUSSP</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/ict/" title="ICT" rel="tag">ICT</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/idiot/" title="idiot" rel="tag">idiot</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mac/" title="Mac" rel="tag">Mac</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/machine-guns/" title="machine guns" rel="tag">machine guns</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail/" title="mail" rel="tag">mail</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail-list/" title="mail list" rel="tag">mail list</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/mail-server/" title="mail server" rel="tag">mail server</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/microsoft/" title="microsoft" rel="tag">microsoft</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/network/" title="network" rel="tag">network</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/open-relays/" title="open relays" rel="tag">open relays</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/open-source/" title="open source" rel="tag">open source</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/police/" title="police" rel="tag">police</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/postfix/" title="postfix" rel="tag">postfix</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/software/" title="software" rel="tag">software</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/spam-problem/" title="spam problem" rel="tag">spam problem</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/spammers/" title="Spammers" rel="tag">Spammers</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/suck/" title="suck" rel="tag">suck</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/tech/" title="Tech" rel="tag">Tech</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/ultimate-solution/" title="ultimate solution" rel="tag">ultimate solution</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/user/" title="user" rel="tag">user</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/war/" title="war" rel="tag">war</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/weapons/" title="weapons" rel="tag">weapons</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/windows/" title="windows" rel="tag">windows</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/work/" title="work" rel="tag">work</a>, <a href="http://www.grumpyoldtechie.com/wordpress2/tag/zombies/" title="zombies" rel="tag">zombies</a><br />
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