In order to add to your layered defense, you wish to implement some security configurations on
your router. If you wish to have the router work on blocking TCP SYN attacks, what do you add to
the end of an ACL statement?

A.
The IP addresses for allowed networks

B.
The port range of allowed applications

C.
The word Established

D.
The word Log

E.
The string: no service udp-small-servers