Which Statement Represents a Packet-Filtering Best Practice

Multiple Choice

Which statement represents a packet-filtering best practice?

A) Any outbound packet must not have a source address that is in your internal network.
B) Keep all packets that use the IP header source routing feature.
C) Any inbound packet must have a source address that is in your internal network
D) If your Web server is located behind the firewall, you need to allow HTTP or HTTPS (S-HTTP) data through for the Internet at large to view it.