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	<title>DailyStuff &#187; TOR</title>
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	<description>toen Internet stil stond en weer doorging</description>
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		<title>Blocking the piratebay</title>
		<link>http://blog.dailystuff.nl/2012/02/blocking-the-piratebay/</link>
		<comments>http://blog.dailystuff.nl/2012/02/blocking-the-piratebay/#comments</comments>
		<pubDate>Sat, 04 Feb 2012 07:46:44 +0000</pubDate>
		<dc:creator>Hans</dc:creator>
				<category><![CDATA[Internet, Unix en security]]></category>
		<category><![CDATA[Maatschappij & leven]]></category>
		<category><![CDATA[2012]]></category>
		<category><![CDATA[censorship]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[TOR]]></category>

		<guid isPermaLink="false">http://blog.dailystuff.nl/?p=1132</guid>
		<description><![CDATA[In a previous post it became clear that censorship in The Netherlands has started. Due to the nature of the Internet and how it has been implemented in most lands, it means there is no central point of control to stop all to an IP-address. This means every network owner needs to take action, but [...]]]></description>
			<content:encoded><![CDATA[<p>In a <a href="http://blog.dailystuff.nl/2012/02/censorship-in-chinawthe-netherlands/" title="Censorship in China^WThe Netherlands">previous post</a> it became clear that censorship in The Netherlands has started. Due to the nature of the Internet and how it has been implemented in most lands, it means there is no central point of control to stop all to an IP-address. This means every network owner needs to take action, but how do they do it?</p>
<p>In the case of thepiratebay.org it looks like it has been done by manipulating DNS-answers. The first attempt is just using the DNS-resolver from the internet access provider and the second is an attempt using Google public resolvers.</p>

<div class="wp_syntax"><div class="code"><pre class="shell" style="font-family:monospace;">$ dig thepiratebay.org
&nbsp;
; &lt; &lt;&gt;&gt; DiG 9.8.1 &lt; &lt;&gt;&gt; thepiratebay.org
;; global options: +cmd
;; Got answer:
;; -&gt;&gt;HEADER&lt; &lt;- opcode: QUERY, status: NOERROR, id: 6811
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
&nbsp;
;; QUESTION SECTION:
;thepiratebay.org.		IN	A
&nbsp;
;; ANSWER SECTION:
thepiratebay.org.	10	IN	A	194.109.6.92
&nbsp;
;; ADDITIONAL SECTION:
thepiratebay.org.	10	IN	TXT	&quot;Forged by XS4ALL for Stichting B.R.E.I.N.&quot;
&nbsp;
;; Query time: 19 msec
;; SERVER: 192.168.178.1#53(192.168.178.1)
;; WHEN: Sat Feb  4 08:15:35 2012
;; MSG SIZE  rcvd: 104
&nbsp;
$ dig thepiratebay.org @8.8.8.8
&nbsp;
; &lt;&lt;&gt;&gt; DiG 9.8.1 &lt; &lt;&gt;&gt; thepiratebay.org @8.8.8.8
;; global options: +cmd
;; Got answer:
;; -&gt;&gt;HEADER&lt; &lt;- opcode: QUERY, status: NOERROR, id: 4847
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
&nbsp;
;; QUESTION SECTION:
;thepiratebay.org.		IN	A
&nbsp;
;; ANSWER SECTION:
thepiratebay.org.	2596	IN	A	194.71.107.50
&nbsp;
;; Query time: 26 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sat Feb  4 08:16:16 2012
;; MSG SIZE  rcvd: 50</pre></div></div>

<p>By just changing DNS resolvers on the client or internet router the censorship can be bypassed for now. The question remaining is how long this is going to stand when the first article is published by a big computer magazine on how to bypass it. Or when sites also get an .onion to bypass DNS completely.</pre>
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		<item>
		<title>TOR op OpenSolaris</title>
		<link>http://blog.dailystuff.nl/2009/09/tor-op-opensolaris/</link>
		<comments>http://blog.dailystuff.nl/2009/09/tor-op-opensolaris/#comments</comments>
		<pubDate>Thu, 24 Sep 2009 21:35:27 +0000</pubDate>
		<dc:creator>Hans</dc:creator>
				<category><![CDATA[Privacy & veiligheid]]></category>
		<category><![CDATA[OpenSolaris]]></category>
		<category><![CDATA[TOR]]></category>

		<guid isPermaLink="false">http://blog.dailystuff.nl/?p=871</guid>
		<description><![CDATA[Sun Solaris is een platform met een militairniveau van beveiliging en nog veel maar. Met de komst van OpenSolaris en SourceJuicer lijkt het platform opener te voor wat gebruikers daadwerkelijk op hun platform willen. Zo ook met TOR, the onion router, en privoxy. Beide kunnen samen worden gebruikt om anoniemer te surfen op Internet en [...]]]></description>
			<content:encoded><![CDATA[<p>Sun Solaris is een platform met een militairniveau van beveiliging en nog veel maar. Met de komst van <a href="http://www.opensolaris.com/">OpenSolaris</a> en SourceJuicer lijkt het platform opener te voor wat gebruikers daadwerkelijk op hun platform willen. Zo ook met <a href="https://www.torproject.org/">TOR</a>, the onion router, en privoxy. Beide kunnen samen worden gebruikt om anoniemer te surfen op Internet en zijn ook beschikbaar in OpenSolaris.<br />
<code><br />
$ pfexec pkg install SUNWtor SUNWprivoxy<br />
</code><br />
Voeg aan <em>/etc/privoxy/config</em> de volgende regel toe (inclusief de laatste punt):<br />
<code><br />
forward-socks4a / 127.0.0.1:9050 .<br />
</code><br />
Enable de juiste services:<br />
<code><br />
$ svcadm enable tor privoxy<br />
</code><br />
Vanaf dit moment kun je gebruik maken van het TOR-netwerk door bv de <a href="https://www.torproject.org/torbutton/">Torbutton</a> toe te voegen aan FireFox. Deze addon maakt het mogelijk om snel te switchen tussen het wel of niet gebruiken van het TOR-netwerk. Dit is nodig om vertrouwen te krijgen en te kijken waarvoor het te gebruiken ipv direct op te nemen in de globale proxysetttings.</p>
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