Is Your e3000 Environment Secure? - by Mark Bixby

Is Your e3000 Environment Secure? - HPWorld 2003 page 57August 14, 2003
Filter outbound ICMP timestamp
& netmask replies
§MPE responds to ICMP timestamp & netmask requests
§A hacker who knows your local time could schedule
attacks during the graveyard shift
§A hacker who knows your netmask is learning about
your network topology
§Use an external firewall or other network device to filter
these outbound ICMP replies from your e3000