Is Your e3000 Environment Secure? - by Mark Bixby

Is Your e3000 Environment Secure? - HPWorld 2003 page 26August 14, 2003
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