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	<title>Sys Admin Guides, How To&#039;s, etc  by Marios Maravelias &#187; anti</title>
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	<description>where prophets and madmen...walk hand in hand</description>
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		<title>SSH vs Script Kiddies How-to Guide</title>
		<link>http://www.sys-admin.gr/26/security/ssh-vs-script-kiddies-how-to-guide/</link>
		<comments>http://www.sys-admin.gr/26/security/ssh-vs-script-kiddies-how-to-guide/#comments</comments>
		<pubDate>Thu, 31 May 2007 13:58:43 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[anti]]></category>
		<category><![CDATA[antihacking]]></category>
		<category><![CDATA[Guide]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[How]]></category>
		<category><![CDATA[Kiddies]]></category>
		<category><![CDATA[Script]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[to]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[vs]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/26</guid>
		<description><![CDATA[Scope Some idiot created a SSH worm that uses a dictionary attack to try to log into a computer over port 22. The worm tries to set up shop on your computer and tries to find the next vulnerable computer. This clogs up networks with bazillions of SSH login attempts. A number of people created [...]]]></description>
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		<title>PHP Email Contact form with Captcha</title>
		<link>http://www.sys-admin.gr/21/php/contact-form-with-captcha/</link>
		<comments>http://www.sys-admin.gr/21/php/contact-form-with-captcha/#comments</comments>
		<pubDate>Wed, 30 May 2007 13:43:20 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[anti]]></category>
		<category><![CDATA[antispam]]></category>
		<category><![CDATA[Captcha]]></category>
		<category><![CDATA[Contact]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[form]]></category>
		<category><![CDATA[image]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[verification]]></category>
		<category><![CDATA[with]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/php/21</guid>
		<description><![CDATA[PHP Contact form with image verification. If you use a normal contact form then spammers will fond a way to automatically send junk messages through that form, so you need a way to verify that the sender is an actual person and not an automated script. A good solution for this is to use an [...]]]></description>
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		<title>What is a null route?</title>
		<link>http://www.sys-admin.gr/19/security/what-is-a-null-route/</link>
		<comments>http://www.sys-admin.gr/19/security/what-is-a-null-route/#comments</comments>
		<pubDate>Wed, 30 May 2007 12:50:27 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Network]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[anti]]></category>
		<category><![CDATA[hack]]></category>
		<category><![CDATA[is]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[null]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[route]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[What]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/19</guid>
		<description><![CDATA[What is a null route? A null route is a route that goes to nowhere. The reason for creating a null route is to prevent your system from sending any data to a remote system. Creating a null route Null routes are usually created using the `route` command. This works under both Windows and Unix, [...]]]></description>
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		<title>Unix: Disable Direct Root Logins</title>
		<link>http://www.sys-admin.gr/11/security/disable-direct-root-logins/</link>
		<comments>http://www.sys-admin.gr/11/security/disable-direct-root-logins/#comments</comments>
		<pubDate>Tue, 29 May 2007 12:01:28 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[anti]]></category>
		<category><![CDATA[antihacking]]></category>
		<category><![CDATA[Direct]]></category>
		<category><![CDATA[Disable]]></category>
		<category><![CDATA[hack]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[hardening]]></category>
		<category><![CDATA[Logins]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[Root]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://sys-admin.gr/archives/security/11</guid>
		<description><![CDATA[Allowing the root user to login directly is a major security issue, we&#8217;ll show you how to disable it so you can still login as root but just not directly, reducing the security issue. This will force a hacker to have to guess 2 seperate passwords to gain root access. (you do have 2 seperate [...]]]></description>
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