I have a fairly restrictive ipfw setup on  a FBSD 8.2-STABLE machine.
Pings were not getting through so I added this near the top
of the rule set:

  #####
  # Allow icmp
  #####

  ${FWCMD} add allow icmp from any to any


It does work but, two questions:

1) Is there a better way?
2) Will this cause harm or otherwise expose the server to some vulnerability?
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