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	<title>Linux Server Training &#187; Server Security</title>
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		<title>Checking for rootkits with rkhunter</title>
		<link>http://beginlinux.com/blog/2009/12/checking-for-rootkits-with-rkhunter/</link>
		<comments>http://beginlinux.com/blog/2009/12/checking-for-rootkits-with-rkhunter/#comments</comments>
		<pubDate>Mon, 21 Dec 2009 15:34:30 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[rkhunter]]></category>
		<category><![CDATA[rootkits]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=1126</guid>
		<description><![CDATA[Rootkits A rootkit is software that is installed on your server with the purpose of hiding the fact that your server has been compromised and providing access to your server so that the intruder can easily return.  It is important to understand that in order for an intruder to install a rootkit they  will have [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>Defend Against ARP Spoofing</title>
		<link>http://beginlinux.com/blog/2009/06/defend-against-arp-spoofing/</link>
		<comments>http://beginlinux.com/blog/2009/06/defend-against-arp-spoofing/#comments</comments>
		<pubDate>Wed, 10 Jun 2009 13:10:20 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[arp]]></category>
		<category><![CDATA[arp spoofing]]></category>
		<category><![CDATA[arpwatch]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=646</guid>
		<description><![CDATA[arpwatch is a program that will help you watch changing IP Addresses and MAC Addresses on your network.  It will list the list the information with a timestamp so you can carefully watch the activity. Use arpwatch to Prevent ARP Spoofing ARP Spoofing or Address Resolution Protocol Spoofing is used to create a situation on [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Apache Security with SELinux</title>
		<link>http://beginlinux.com/blog/2009/05/apache-security-with-selinux/</link>
		<comments>http://beginlinux.com/blog/2009/05/apache-security-with-selinux/#comments</comments>
		<pubDate>Thu, 21 May 2009 12:41:50 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[Apache and SELinux]]></category>
		<category><![CDATA[selinux]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=607</guid>
		<description><![CDATA[SELinux is an open source project sponsored by the National Security Agency. The focus is to use SELinux to implement mandatory access control in a limited fashion. SELinux provides security at the kernel level. What this does for security is provide a security system at a fundamental level that will not be as impacted by [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<title>CentOS 5.3: Encrypted Block Devices</title>
		<link>http://beginlinux.com/blog/2009/04/centos-53-encrypted-block-devices/</link>
		<comments>http://beginlinux.com/blog/2009/04/centos-53-encrypted-block-devices/#comments</comments>
		<pubDate>Tue, 07 Apr 2009 11:30:15 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[Centos 5.3]]></category>
		<category><![CDATA[encrypted block devices]]></category>
		<category><![CDATA[Encryption]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=457</guid>
		<description><![CDATA[CentOS 5.3 now comes with disk encryption. When you install the operating system you have the option to encrypt block devices, partitions that you create.  Block device encryption requires a passphrase or key as authentication in order to access the data on that partition.  The advantage of block encryption is that it will enforce the [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Monitor Printers with Nagios 3</title>
		<link>http://beginlinux.com/blog/2009/01/monitor-printers-with-nagios-3/</link>
		<comments>http://beginlinux.com/blog/2009/01/monitor-printers-with-nagios-3/#comments</comments>
		<pubDate>Sun, 18 Jan 2009 11:05:45 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Nagios]]></category>
		<category><![CDATA[Server Security]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[nagios 3]]></category>
		<category><![CDATA[printers nagios]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=160</guid>
		<description><![CDATA[Nagios allows you to monitor network printers so that you will easily be able to verify basic information about your network printers. This will allow you to check if the printer is up and basic toner states.  It will not provide a whole lot of information but if you want more you can always log [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Verify Running Services with netstat</title>
		<link>http://beginlinux.com/blog/2008/11/verify-running-services-with-netstat/</link>
		<comments>http://beginlinux.com/blog/2008/11/verify-running-services-with-netstat/#comments</comments>
		<pubDate>Tue, 18 Nov 2008 15:34:39 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[netstat]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[server connections]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=77</guid>
		<description><![CDATA[netstat -na will list all connections to the server. Notice in the example that there are tcp and udp ports listed and the ones that are active have the LISTEN at the end of the line. The open port is listed. If a connection was current it would be listed in the Foreign Address column [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>SELinux Concepts</title>
		<link>http://beginlinux.com/blog/2008/11/selinux-concepts/</link>
		<comments>http://beginlinux.com/blog/2008/11/selinux-concepts/#comments</comments>
		<pubDate>Fri, 07 Nov 2008 10:51:01 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Server Security]]></category>
		<category><![CDATA[centos selinux]]></category>
		<category><![CDATA[linux security]]></category>
		<category><![CDATA[selinux]]></category>

		<guid isPermaLink="false">http://beginlinux.com/blog/?p=20</guid>
		<description><![CDATA[As security issues continue to rise, new strategies for security are imperative. This is most often true with servers and networked computers because of the implications for down servers and non-functioning workstations.   SELinux or Security Enhanced Linux was developed by the US National Security Agency to address the increased need for security on servers and [...]]]></description>
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		<slash:comments>0</slash:comments>
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