are they? do you remember 'firewalking'?
hi,
Most routers will regard any ICMP request to them as a low priority issue.
do they? icmp is not only about 'echo'. there's lot of other functions via type/code - fragmentation, mtu etc, vital for traffic signalization. administrators, who blindly closes all icmp traffic are plain stupid idiots.
all the best,
W.
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