To: whitelight1
A lot of ISPs block ICMP packets, because they can be used for Denial of Service attacks (basically, someone uses a bunch of ICMP packets to tie up the server and prevent it from responding to legitimate requests) or for footprinting a network (mapping a network so that it can be attacked).
89 posted on
11/06/2001 2:03:34 PM PST by
Poohbah
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson