What does the following option in the $/$etc$/$sysctl$.$conf file do$?$

net.ipv$4.$icmp$\_$ignore$\_$bogus$\_$error$\_$responses $=1$

Question $2$ options:

Ignores Internet Control Message Protocol $($ICMP$)$ messages that do not conform to standards

Prevents systems from replying to broadcast ping requests

Protects from SYN floods

Prevents Internet Protocol version $4($IPv$4)$ forwarding on a system