Merge pull request #11496 from Security-Onion-Solutions/fix/ping

accept icmp on input chain

salt/firewall/iptables.jinja

@@ -89,7 +89,6 @@ COMMIT
 -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
 -A INPUT -i lo -j ACCEPT
 -A INPUT -m conntrack --ctstate INVALID -j DROP
--A INPUT -j REJECT --reject-with icmp-host-prohibited
 -A INPUT -p icmp -j ACCEPT
 -A INPUT -j LOGGING
 -A FORWARD -j DOCKER-USER
@@ -103,6 +102,7 @@ COMMIT
 -A FORWARD -m conntrack --ctstate INVALID -j DROP
 -A FORWARD -j REJECT --reject-with icmp-host-prohibited
 -A OUTPUT -o lo -j ACCEPT
+# block icmp timestamp reply
 -A OUTPUT -p icmp -m icmp --icmp-type 14 -j DROP
 
 {%- for rule in D2 %}