PIX / ASA - How to enable ICMP Inspect
Below shows you how to enable ICMP inspection on a PIX 8.0(4)28.
Please Note : Below presumes you all ready have a policy map defined with the name of global_policy and this has already been assigned to your device using the service-policy command.
PIX(config-cmap)# policy-map global_policy
PIX(config-pmap)# class inspection_default
PIX(config-pmap-c)# inspect icmp