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		<id>http://directory.fsf.org/wiki?title=Port_Scan_Attack_Detector&amp;feed=atom&amp;action=history</id>
		<title>Port Scan Attack Detector - Revision history</title>
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		<updated>2013-06-18T23:53:19Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://directory.fsf.org/wiki?title=Port_Scan_Attack_Detector&amp;diff=1802&amp;oldid=prev</id>
		<title>WikiSysop: Created page with &quot;{{Entry |Name=Port Scan Attack Detector |Short description=Detects port scans |Full description=Port Scan Attack Detector (psad) works with the Linux kernel firewalling code (ipt...&quot;</title>
		<link rel="alternate" type="text/html" href="http://directory.fsf.org/wiki?title=Port_Scan_Attack_Detector&amp;diff=1802&amp;oldid=prev"/>
				<updated>2011-04-12T13:00:39Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{Entry |Name=Port Scan Attack Detector |Short description=Detects port scans |Full description=Port Scan Attack Detector (psad) works with the Linux kernel firewalling code (ipt...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Entry&lt;br /&gt;
|Name=Port Scan Attack Detector&lt;br /&gt;
|Short description=Detects port scans&lt;br /&gt;
|Full description=Port Scan Attack Detector (psad) works with the Linux kernel firewalling code (iptables in the 2.4.x kernels, and ipchains in the 2.2.x kernels) to detect port scans. It has highly configurable danger thresholds (with sensible defaults provided), verbose alert messages that include the source, destination, scanned port range, begin and end times, TCP flags and corresponding nmap options (Linux 2.4.x kernels only), email alerting, and automatic blocking of offending IP addresses via dynamic configuration of ipchains/iptables firewall rulesets. For the 2.4.x kernels psad incorporates many of the TCP signatures included in Snort to detect suspect scans for various backdoor programs (e.g. EvilFTP, GirlFriend, SubSeven), DDoS tools (mstream, shaft), and advanced port scans (syn, fin, Xmas) can be leveraged against a machine via nmap.&lt;br /&gt;
|User level=none&lt;br /&gt;
|Status=Live&lt;br /&gt;
|Component programs=Unix::Syslog,whois&lt;br /&gt;
|Homepage URL=http://www.cipherdyne.com/&lt;br /&gt;
|VCS checkout command=&lt;br /&gt;
|Computer languages=Perl&lt;br /&gt;
|Documentation note=User README included and available in HTML format from http://www.cipherdyne.com/psad/psaddoc.html&lt;br /&gt;
|Paid support=&lt;br /&gt;
|IRC help=&lt;br /&gt;
|IRC general=&lt;br /&gt;
|IRC development=&lt;br /&gt;
|Related projects=fwknop,pkdump,scanlogd&lt;br /&gt;
|Keywords=firewall,security,TCP,Internet,kernel,ipchains,iptables,attack,psad,Port Scan Attack Detector,IPaddress&lt;br /&gt;
|Is GNU=n&lt;br /&gt;
|Last review by=Janet Casey&lt;br /&gt;
|Last review date=2005-07-15&lt;br /&gt;
|Submitted by=Database conversion&lt;br /&gt;
|Submitted date=2011-04-01&lt;br /&gt;
|Version identifier=1.4.2&lt;br /&gt;
|Version date=2005-07-15&lt;br /&gt;
|Version status=stable&lt;br /&gt;
|Version download=http://www.cipherdyne.com/psad/download/psad-1.4.2.tar.gz&lt;br /&gt;
|License verified date=2002-05-02&lt;br /&gt;
|Version comment=1.4.2 stable released 2005-07-15&lt;br /&gt;
}}&lt;br /&gt;
{{Person&lt;br /&gt;
|Role=Maintainer&lt;br /&gt;
|Real name=Michael Rash&lt;br /&gt;
|Email=mbr@cipherdyne.com&lt;br /&gt;
|Resource URL=&lt;br /&gt;
}}&lt;br /&gt;
{{Person&lt;br /&gt;
|Role=Contributor&lt;br /&gt;
|Real name=See the CREDITS file in the distribution for a complete list&lt;br /&gt;
|Email=&lt;br /&gt;
|Resource URL=&lt;br /&gt;
}}&lt;br /&gt;
{{Resource&lt;br /&gt;
|Resource audience=Developer&lt;br /&gt;
|Resource kind=VCS Repository Webview&lt;br /&gt;
|Resource URL=http://www.cipherdyne.com/cgi/viewcvs.cgi/psad/&lt;br /&gt;
}}&lt;br /&gt;
{{Resource&lt;br /&gt;
|Resource audience=Bug Tracking,Developer,Support&lt;br /&gt;
|Resource kind=E-mail&lt;br /&gt;
|Resource URL=mailto:mbr@cipherdyne.com&lt;br /&gt;
}}&lt;br /&gt;
{{Software category&lt;br /&gt;
|Interface=daemon&lt;br /&gt;
|Security=firewall&lt;br /&gt;
|Use=security&lt;br /&gt;
}}&lt;br /&gt;
{{Project license&lt;br /&gt;
|License=GPLv2orlater&lt;br /&gt;
|License verified by=Janet Casey&lt;br /&gt;
|License verified date=2002-05-02&lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>	</entry>

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