I have a Web/DNS server behind a PIX firewall. I cannot ping it. What access-list do I need to allow ping traffic through? Or is it even nessesary to allow pings, could that be a security risk for things such as DOS?
When you enter above lines in their respective order in configure terminal mode in CLI, ICMP will be allowed without a need of ACL. When you finish your test disallow by typing
no inspect icmp