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	<title>Sys Admin Guides, How To&#039;s, etc  by Marios Maravelias &#187; Hacking</title>
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	<description>where prophets and madmen...walk hand in hand</description>
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		<title>Checking if a server is under ddos attack</title>
		<link>http://www.sys-admin.gr/32/security/checking-if-a-server-is-under-ddos/</link>
		<comments>http://www.sys-admin.gr/32/security/checking-if-a-server-is-under-ddos/#comments</comments>
		<pubDate>Mon, 04 Jun 2007 13:39:02 +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[attack]]></category>
		<category><![CDATA[Checking]]></category>
		<category><![CDATA[ddos]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[if]]></category>
		<category><![CDATA[is]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[under]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/32</guid>
		<description><![CDATA[A quick and usefull command for checking if a server is under ddos is: netstat -anp &#124;grep &#8216;tcp\&#124;udp&#8217; &#124; awk &#8216;{print $5}&#8217; &#124; cut -d: -f1 &#124; sort &#124; uniq -c &#124; sort -n That will list the IPs taking the most amount of connections to a server. It is important to remember that the [...]]]></description>
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		<item>
		<title>Email Header Injection in PHP</title>
		<link>http://www.sys-admin.gr/28/security/email-header-injection-in-php/</link>
		<comments>http://www.sys-admin.gr/28/security/email-header-injection-in-php/#comments</comments>
		<pubDate>Mon, 04 Jun 2007 13:13:24 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[Header]]></category>
		<category><![CDATA[How]]></category>
		<category><![CDATA[in]]></category>
		<category><![CDATA[Injection]]></category>
		<category><![CDATA[to]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/28</guid>
		<description><![CDATA[It has become apparent that spammers are getting even smarter than we take them for. Rather than abuse open relays, which are almost non-existent, these scum-of-the-earth &#8216;traders&#8217; are now abusing contact forms. However, the problem isn&#8217;t necessarily that they are attempting to use the contact forms. The problem that exists is that the average coder [...]]]></description>
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		<item>
		<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>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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		<item>
		<title>One-way Web Hacking</title>
		<link>http://www.sys-admin.gr/7/security/one-way-web-hacking/</link>
		<comments>http://www.sys-admin.gr/7/security/one-way-web-hacking/#comments</comments>
		<pubDate>Thu, 03 May 2007 17:44:24 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[one]]></category>
		<category><![CDATA[One-way]]></category>
		<category><![CDATA[way]]></category>
		<category><![CDATA[Web]]></category>

		<guid isPermaLink="false">http://sys-admin.gr/archives/security/7</guid>
		<description><![CDATA[Please follow this link here to know how easy it is for a webserver to be compromised&#8230; Its a fantastic article, but in the end you will learn that its almost impossible to keep your server secure.]]></description>
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