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	<title>Tuts4Tech &#187; networking</title>
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	<link>http://tuts4tech.net</link>
	<description>Tech Tutorials</description>
	<lastBuildDate>Sun, 18 Jul 2010 01:41:08 +0000</lastBuildDate>
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		<item>
		<title>IPv6 Tunnel on pfSense</title>
		<link>http://tuts4tech.net/2010/07/18/ipv6-tunnel-on-pfsense/</link>
		<comments>http://tuts4tech.net/2010/07/18/ipv6-tunnel-on-pfsense/#comments</comments>
		<pubDate>Sun, 18 Jul 2010 01:32:58 +0000</pubDate>
		<dc:creator>Duffy</dc:creator>
				<category><![CDATA[Misc]]></category>
		<category><![CDATA[6in4]]></category>
		<category><![CDATA[connectivity]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[he.net]]></category>
		<category><![CDATA[ipv6]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[pfsense]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[tunnel]]></category>
		<category><![CDATA[tunnelbroker]]></category>

		<guid isPermaLink="false">http://tuts4tech.net/?p=732</guid>
		<description><![CDATA[Hi, in this tutorial I will be showing you how to setup IPv6 connectivity for your network using he.net and pfsense. Pop on over to he.net and create an account Create a regular tunnel and you should be given a page of details like the following Download the following script Open the script with your [...]]]></description>
			<content:encoded><![CDATA[<p>Hi, in this tutorial I will be showing you how to setup IPv6 connectivity for your network using he.net and pfsense.</p>
<ol>
<li>Pop on over to <a href="http://tunnelbroker.net/">he.net</a> and create an account</li>
<li>Create a regular tunnel and you should be given a  page of details like the following<br /><img class="aligncenter size-full wp-image-520" title="details" src="http://tuts4tech.net/tutorials/ipv6/he.net%20details.jpg" alt="details" width="500" height="278" /></li>
<li>Download <a href="http://tuts4tech.net/files/config-ipv6.sh">the following script</a><br />
Open the script with your favorite text editor and set the variables at the top as required</p>
<pre class="brush: plain;">IFIN=&quot;re1&quot;</pre>
<p>This is your LAN interface.</p>
<pre class="brush: plain;">IPv6Router=&quot;2001:470:1f09:3cd::1&quot;
IPv6Server=&quot;2001:470:1f08:3cd::1&quot;
IPv6Client=&quot;2001:470:1f08:3cd::2&quot;</pre>
<p>IPv6 Router is the first address from your routed /64 range given on the he.net details panel<br />
IPv6 Server is simply your IPv6 server address given on the he.net details panel<br />
and IPv6 Client is also just your IPv6 client address given on the he.net details panel.</p>
<pre class="brush: plain;">IPv4Server=&quot;216.66.80.26&quot;
IPv4Client=&quot;88.151.87.116&quot;</pre>
<p>IPv4 Server is simply the IPv4 server address given on the he.net details panel<br />
and IPv4 client is your WAN IP address.</li>
<li>We also need to create a configuration file for rtadvd copy and paste the following
<pre class="brush: plain;">re1:\
   :addrs#1:addr=&quot;2001:470:1f09:3cd::&quot;:prefixlen#64:tc=ether:</pre>
<p>Where re1 is your LAN interface and where 2001:470:1f09:3cd:: is your /64 route. Save the following as rtadvd.conf</li>
<li>Using sftp upload rtadvd.conf to /etc and config-ipv6.sh to /usr/local/etc/rc.d on your pfsense box. Set the permissions for config-ipv6.sh as executable.</li>
<li>Reboot your pfsense box and the script should auto start and bring up your IPv6 tunnel</li>
</ol>
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		</item>
		<item>
		<title>How to spoof your speedtest.net results</title>
		<link>http://tuts4tech.net/2010/04/30/how-to-spoof-your-speedtest-net-results/</link>
		<comments>http://tuts4tech.net/2010/04/30/how-to-spoof-your-speedtest-net-results/#comments</comments>
		<pubDate>Fri, 30 Apr 2010 11:19:53 +0000</pubDate>
		<dc:creator>Duffy</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Misc]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[100mb]]></category>
		<category><![CDATA[fake]]></category>
		<category><![CDATA[fast]]></category>
		<category><![CDATA[fiber]]></category>
		<category><![CDATA[high]]></category>
		<category><![CDATA[httpd]]></category>
		<category><![CDATA[mini]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[results]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[speeds]]></category>
		<category><![CDATA[speedtest]]></category>
		<category><![CDATA[spoof]]></category>

		<guid isPermaLink="false">http://tuts4tech.net/?p=698</guid>
		<description><![CDATA[In this tutorial we will be showing you how to spoof your speedtest.net results. You will require a httpd server to do this, in this tutorial I used lighttpd running on debian. To install lighttpd on debian just simply run apt-get install lighttpd php5-cgi php5-mhash and edit your php.ini to change cgi.force_redirect to 0 nano [...]]]></description>
			<content:encoded><![CDATA[<p>In this tutorial we will be showing you how to spoof your speedtest.net results. You will require a httpd server to do this, in this tutorial I used lighttpd running on debian.</p>
<p><object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,115,0' width='500' height='345'><param name='movie' value='http://screenr.com/Content/assets/screenr_1116090935.swf' ></param><param name='flashvars' value='i=66454' ></param><param name='allowFullScreen' value='true' ></param><embed src='http://screenr.com/Content/assets/screenr_1116090935.swf' flashvars='i=66454' allowFullScreen='true' width='500' height='345' pluginspage='http://www.macromedia.com/go/getflashplayer' ></embed></object></p>
<p>To install lighttpd on debian just simply run</p>
<pre class="brush: plain;">apt-get install lighttpd php5-cgi php5-mhash</pre>
<p>and edit your php.ini to change cgi.force_redirect to 0</p>
<pre class="brush: plain;">nano /etc/php5/cgi/php.ini</pre>
<p>Come down and you'll find ;cgi.force_redirect = 1 and change it to cgi.force_redirect = 0<br />
replace your lighttpd.conf</p>
<pre class="brush: plain;">mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.bak</pre>
<p>download and move in my lighttpd config</p>
<pre class="brush: plain;">
wget http://tuts4tech.net/files/lighttpd.speed.conf
mv lighttpd.speed.conf /etc/lighttpd/lighttpd.conf
</pre>
<p>and then finally restart your httpd</p>
<pre class="brush: plain;">/etc/init.d/lighttpd restart</pre>
<p>To spoof your speedtest.net result you'll need to grab speedtest.net mini you can download this from their website at http://speedtest.net/mini.php or you can just use wget to download it straight onto your server like I did in the tutorial</p>
<pre class="brush: plain;">wget http://files.speedtest.ookla.com/releases/mini.zip</pre>
<p>Extract mini.zip to your html dir, by default this is /var/www</p>
<pre class="brush: plain;">mv mini.zip /var/www;cd /var/www; unzip mini.zip</pre>
<p>Find out the IP address of the speedtest.net server to do this just simply run a speedtest and you will see it say something like Transferring data from host<br />
for me the host was speedtest.airwire.ie and to get the IP address we just ping the host. After finding the IP address you need to add a virtual interface on your httpd server with this IP to do so run the following, where xxx.xxx.xxx.xxx is the IP of the speedtest.net server</p>
<pre class="brush: plain;">ifconfig eth0:0 xxx.xxx.xxx.xxx netmask 255.255.255.0</pre>
<p>Then lastly we need to add a secondary IP address on your windows workstation so it can access the httpd server to do so go into your network connections right click on your networking interface click on properties select internet protocol version 4 and press properties click advanced and under IP addresses click add. Add an IP address that is in the same range as the speedtest.net server.</p>
<p>You should now be able to go to speedtest.net select the server you spoofed and get high speeds.</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Set Preference for IPv4 over IPv6 on Windows 7</title>
		<link>http://tuts4tech.net/2010/04/05/set-preference-for-ipv4-over-ipv6-on-windows-7/</link>
		<comments>http://tuts4tech.net/2010/04/05/set-preference-for-ipv4-over-ipv6-on-windows-7/#comments</comments>
		<pubDate>Mon, 05 Apr 2010 02:58:53 +0000</pubDate>
		<dc:creator>Duffy</dc:creator>
				<category><![CDATA[Windows]]></category>
		<category><![CDATA[6to4]]></category>
		<category><![CDATA[7]]></category>
		<category><![CDATA[ipv4]]></category>
		<category><![CDATA[ipv6]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[prefer]]></category>
		<category><![CDATA[tcp/ip]]></category>
		<category><![CDATA[tunnel]]></category>
		<category><![CDATA[tunnelbroker]]></category>
		<category><![CDATA[vista]]></category>

		<guid isPermaLink="false">http://tuts4tech.net/?p=687</guid>
		<description><![CDATA[By default on Windows 7 IPv6 is preferred over IPv4, this is a nuisance when your IPv6 connectivity is supplied via a 6 to 4 tunnel. This tutorial will show you how to set preference for IPv4 Open regedit Start -> Search -> regedit Navigate to the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tcpip6\Parameters\ Create a DWORD value [...]]]></description>
			<content:encoded><![CDATA[<p>By default on Windows 7 IPv6 is preferred over IPv4, this is a nuisance when your IPv6 connectivity is supplied via a 6 to 4 tunnel. This tutorial will show you how to set preference for IPv4</p>
<ol>
<li>Open regedit Start -> Search -> regedit</li>
<li>Navigate to the following registry key:<br />
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tcpip6\Parameters\</li>
<li>Create a DWORD value named DisabledComponents, please note this is case-sensitive</li>
<li>Edit the DisabledComponents value and set it to 20
<p><img src="http://tuts4tech.net/tutorials/ipv4preference/dword.PNG" alt="dword" title="dword" width="369" height="242" class="aligncenter size-full" /></li>
<p></p>
<li>Restart the computer for changes to take effect.</li>
</ol>
<p>An alternative way off doing this would be to just to import a .reg file containing the following</p>
<pre class="brush: plain;">Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters]
&quot;DisabledComponents&quot;=dword:00000020</pre>
]]></content:encoded>
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		</item>
		<item>
		<title>IPTables and Bashrc Aliases</title>
		<link>http://tuts4tech.net/2009/08/30/iptables-and-bashrc-aliases/</link>
		<comments>http://tuts4tech.net/2009/08/30/iptables-and-bashrc-aliases/#comments</comments>
		<pubDate>Sun, 30 Aug 2009 10:59:07 +0000</pubDate>
		<dc:creator>RCP</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[netfilter]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[Servers]]></category>

		<guid isPermaLink="false">http://tuts4tech.net/?p=571</guid>
		<description><![CDATA[We all know IPTables can be difficult. By adding the following lines to your ~/.bashrc you can simplify the tasks of blocking packets from a certian ip. First your going to need to install IPTables: Gentoo: emerge iptables   (Must be  Root to use/install iptables) Ubuntu/Debian: sudo apt-get install iptables Then edit your .bashrc file and [...]]]></description>
			<content:encoded><![CDATA[<p>We all know IPTables can be difficult. By adding the following lines to your ~/.bashrc you can simplify the tasks of blocking packets from a certian ip.</p>
<p>First your going to need to install IPTables:<br />
Gentoo: emerge iptables   (Must be  Root to use/install iptables)<br />
Ubuntu/Debian: sudo apt-get install iptables</p>
<p>Then edit your .bashrc file and add the following</p>
<pre class="brush: bash;">alias blockedips=&quot;iptables -L&quot;
alias blockip=&quot;iptables -I INPUT -j DROP -s &quot;
alias unblockip=&quot;iptables -D INPUT -j DROP -s &quot;</pre>
<p>Reload your .bashrc by running source .bashrc and you should then be able to run the commands below</p>
<pre class="brush: bash;">blockedips - Will Show all Blocked hosts
blockip IP-HERE - Will Block that ip
unblockip IP-HERE - Unblocks that ip</pre>
<p><img class="alignnone size-full wp-image-572" src="http://tuts4tech.net/wp-content/uploads/2009/08/screenshot-rootredfire.png" alt="screenshot-rootredfire" width="403" height="461" /></p>
]]></content:encoded>
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		</item>
		<item>
		<title>Disabling IPV6 on Debian</title>
		<link>http://tuts4tech.net/2009/07/07/disabling-ipv6-on-debian/</link>
		<comments>http://tuts4tech.net/2009/07/07/disabling-ipv6-on-debian/#comments</comments>
		<pubDate>Tue, 07 Jul 2009 15:50:48 +0000</pubDate>
		<dc:creator>Duffy</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[disable]]></category>
		<category><![CDATA[ipv4]]></category>
		<category><![CDATA[ipv6]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[tcp]]></category>
		<category><![CDATA[tutorial]]></category>

		<guid isPermaLink="false">http://tuts4tech.net/?p=458</guid>
		<description><![CDATA[If you don't use ivp6 for anything and your ISP doesn't support it theres not much of a need to have it enabled. To disable it we need to edit /etc/modprobe.d/aliases nano /etc/modprobe.d/aliases By default you will have the following line alias net-pf-10 ipv6 Replace it with the following alias net-pf-10 off alias ipv6 off [...]]]></description>
			<content:encoded><![CDATA[<p>If you don't use ivp6 for anything and your ISP doesn't support it theres not much of a need to have it enabled. To disable it we need to edit /etc/modprobe.d/aliases
<pre class="brush: bash;">nano /etc/modprobe.d/aliases</pre>
<p>By default you will have the following line
<pre class="brush: plain;">alias net-pf-10 ipv6</pre>
<p>Replace it with the following
<pre class="brush: plain;">alias net-pf-10 off
alias ipv6 off</pre>
<p>You can now remove all the ipv6 stuff from /etc/hosts and once you reboot ipv6 will be disabled</p>
]]></content:encoded>
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