A Solaris 10 system has IP Filter enabled and configured. A section of the /etc/ipf/ipf.conf configuration file is reported below: block return-rst in quick proto tcp from any to any port = 23 flags S block return-icmp (port-unr) in proto udp from any to any port > 3000 Which two statements are true? (Choose two.)

A.
The system blocks TCP RST packets.

B.
The system will block incoming telnet connections and returns a TCP RST packet.

C.
The system will block all incoming echo requests and replies with an ICMP port unreachable packet.

D.
The system does NOT return ICMP-type packets for UDP incoming connections received on ports greater than 3000.

E.
The system will block and replay with an ICMP port unreachable packet to UDP connections received for ports greater than 3000.