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	<title>lost-carrier.org</title>
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	<link>http://lost-carrier.org</link>
	<description>internetworking issues and hints</description>
	<lastBuildDate>Sun, 31 Jan 2010 00:38:35 +0000</lastBuildDate>
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		<title>IPSec Site-to-Site VPN in 10 seconds</title>
		<link>http://lost-carrier.org/ipsec-site-to-site-vpn-in-10-seconds/</link>
		<comments>http://lost-carrier.org/ipsec-site-to-site-vpn-in-10-seconds/#comments</comments>
		<pubDate>Sun, 31 Jan 2010 00:38:35 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[security]]></category>
		<category><![CDATA[vpn]]></category>
		<category><![CDATA[example]]></category>

		<guid isPermaLink="false">http://lost-carrier.org/?p=52</guid>
		<description><![CDATA[This is a very basic configuration example for a site-to-site IPSec VPN. You should understand what the parameters mean, before you set it up for production.]]></description>
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		<title>How to protect your network from malicious traffic</title>
		<link>http://lost-carrier.org/howto-protect-your-network-from-malicious-traffic/</link>
		<comments>http://lost-carrier.org/howto-protect-your-network-from-malicious-traffic/#comments</comments>
		<pubDate>Thu, 24 Dec 2009 23:06:54 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[hints]]></category>
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		<guid isPermaLink="false">http://lost-carrier.org/?p=43</guid>
		<description><![CDATA[Lately I stumbled upon a Cisco 877 security hardening guide. The suggestion is to block (via source IP) private, reserved and unallocated IP ranges. I will explain why this is a bad idea and how to properly block malicious traffic.]]></description>
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		<title>Howto upgrade your stackable 3750 with limited service disruption</title>
		<link>http://lost-carrier.org/howto-upgrade-your-stackable-3750-with-limited-service-disruption/</link>
		<comments>http://lost-carrier.org/howto-upgrade-your-stackable-3750-with-limited-service-disruption/#comments</comments>
		<pubDate>Sun, 20 Dec 2009 16:14:35 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[hints]]></category>
		<category><![CDATA[3750]]></category>
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		<guid isPermaLink="false">http://lost-carrier.org/?p=37</guid>
		<description><![CDATA[When you have two or more 3750 in a Stack Configuration and need to upgrade the image, you will have a long service disruption (it can take about  7 - 10 minutes, because - depending on the image - the bootloader will be upgraded too and POST tests also take their time). However, if you have a redundant configuration, you can limit the downtime to a few seconds.]]></description>
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		<title>The Cisco Wireless Controller nightmare™</title>
		<link>http://lost-carrier.org/the-cisco-wireless-controller-nightmare/</link>
		<comments>http://lost-carrier.org/the-cisco-wireless-controller-nightmare/#comments</comments>
		<pubDate>Wed, 25 Nov 2009 01:45:37 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[bugs]]></category>
		<category><![CDATA[bug]]></category>
		<category><![CDATA[cisco]]></category>
		<category><![CDATA[wireless]]></category>

		<guid isPermaLink="false">http://lost-carrier.org/?p=14</guid>
		<description><![CDATA[We have a wireless network with about 80 APs and 2 4404 WLC's running, however, we ran into several issue when working with the Wireless Controllers.]]></description>
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		<title>Why disabling ICMP unreachables is a bad thing</title>
		<link>http://lost-carrier.org/why-disabling-icmp-unreachables-is-a-bad-thing/</link>
		<comments>http://lost-carrier.org/why-disabling-icmp-unreachables-is-a-bad-thing/#comments</comments>
		<pubDate>Sun, 22 Nov 2009 22:56:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[hints]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[hint]]></category>
		<category><![CDATA[urban-legend]]></category>

		<guid isPermaLink="false">http://lost-carrier.org/?p=8</guid>
		<description><![CDATA[In this post I will talk about ICMP unreachables, the security concerns about them and why you shouldn't disable it on your routing boxes.]]></description>
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