Should ICMP packets be allowed both over the Internet or should it be allowed to pass only in the local networks? I have a firewall appliance and trying to make sure that I am being secured properly. Thanks! No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.503 / Virus Database: 269.16.14/1171 - Release Date: 12/4/2007 7:31 PM