Is your e3000 Environment Secure? Homestead security

page 26April 24, 2003
Is Your Homestead Secure? - Solution Symposium West
Perform periodic packet sniffing
• :NETCONTROL TRACEON/TRACEOFF to capture
packets, and :NMDUMP to format them
• :NMDUMP is cumbersome and overly verbose, so using
external packet sniffing tools might be a better choice
• Connection attempts to unused TCP or UDP ports can
indicate hacker scanning activity
• tcpdump sniffer – www.tcpdump.org
• Ethereal network analyzer – www.ethereal.com