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				Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc.			 
				
					http://nmap.org/zenmap/				
									
							 
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					OSSEC - Open Source Security, Host-Based Intrusion Detection System ... Welcome to the Home of OSSEC. OSSEC is an Open Source Host-based Intrusion Detection System. ...				 
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					Visit this site to find links to public and commercial network monitoring and management tools				 
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					Software designed to produce a hardened Internet firewall device by turning a server, workstation, or redundant PC into a replacement for a hardware firewall router.				 
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					An advanced passive OS/network fingerprinting utility for use in IDS environments, honeypots environments, firewalls and servers.				 
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					ZABBIX is an enterprise-class open source distributed monitoring solution for networks and applications. ... ZABBIX 1.6: The Ultimate Monitoring Solution ...				 
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					Self-contained boot floppy that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect, also prevents or thoroughly hinders all known techniques of hard disk forensic analysis.				 
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					chkrootkit locally checks for signs of a rootkit. Includes ifpromisc.c to check if the interface is in promiscuous mode, chklastlog.c and chkwtmp.c to check for ...				 
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					Denyhosts now has over 70,000 users contributing synchronization data and ... You can Download the latest version of DenyHosts or view the Changelog. ...				 
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					Find easy tutorials about free and opensource tools! Cacti, Snort, Rancid, PHP Weathermap, PHP Syslog-ng, etc ...				 
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