When setting up PF I found the recommendation to use the following rule
to allow ICMP to pass.
# macros
icmp_types="echoreq"
# filter rules
pass in inet proto icmp all icmp-type $icmp_types keep state
I do not understand why this is necessary!
Will someone Please explain to me why it's necessary if I must have it,
or if I can delete that rule.
Thanks
/Leslie
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