A Solaris 10 OS server on your network has the packet filter enabled. The rule of Solaris IP Filter
firewall is:
block in proto icmp all
This rule, stored in the /etc/ipf/ipf.conf file, blocks all Internet Control Message Protocol (ICMP)
traffic.
Which command modifies this rule so it prevents only ping traffic?
A.
block in proto icmp all icmp-type dest-unreach
B.
block in proto icmp from any to any icmp-type dest-unreach
C.
block in proto icmp from any to any
D.
block in proto icmp all icmp-type echo