ICMP Inspection By default, ASA not inspect the ICMP packets. These are small packets and initiates for a short time. But we can enable it using below commands. if it is required. Conf t policy-map global_policy  class inspection_default  inspect ICMP Allowing ICMP/PING (Outside to inside) By default, ASA don’t allow the traffic from outside to … Continue reading Cisco ASA ICMP inspection