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To permit/deny ICMP packets you would have to enter a new ACE for that particular protocol, and locate it as second ACE top to down. Below is a document for IPv4 ACL setup where on step 6 you must select ICMP and on step 16 you can decide either "Any" ICMP packet or some in particular.
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This document is attempt to recreate content of original document created by famous @Patrick Born. Cisco has considered to destroy such valuable document for an unknown reason.Cisco SPA series phones and ATAs can use certificate-authenticated HTTPS (SSL) ...
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