https://community.cisco.com/t5/network-security/tools-to-check-network-vulnerability/m-p/819614#M956313 <P>Anydoby advise some tools to discover the network vulnerability ? like nmap.</P><P></P><P>I use nmap to scan one of my networks, I got one message</P><P> "TCP Sequence Prediction: Difficulty=258 (Good luck!)"</P><P>what's that mean, is is good ?</P> Mon, 11 Mar 2019 11:53:45 GMT rico_hao40 2019-03-11T11:53:45Z https://community.cisco.com/t5/network-security/tools-to-check-network-vulnerability/m-p/819614#M956313 <P>Anydoby advise some tools to discover the network vulnerability ? like nmap.</P><P></P><P>I use nmap to scan one of my networks, I got one message</P><P> "TCP Sequence Prediction: Difficulty=258 (Good luck!)"</P><P>what's that mean, is is good ?</P> Mon, 11 Mar 2019 11:53:45 GMT https://community.cisco.com/t5/network-security/tools-to-check-network-vulnerability/m-p/819614#M956313 rico_hao40 2019-03-11T11:53:45Z https://community.cisco.com/t5/network-security/tools-to-check-network-vulnerability/m-p/819615#M956315 <HTML><HEAD></HEAD><BODY><P>I use Nessus for OpenSource.</P><P></P><P>For comercial products, I use Qualys (Cisco</P><P>Partner) or another product from Spirent.</P><P></P><P>CCIE Security</P></BODY></HTML> Fri, 25 Jan 2008 22:16:48 GMT https://community.cisco.com/t5/network-security/tools-to-check-network-vulnerability/m-p/819615#M956315 cisco24x7 2008-01-25T22:16:48Z