Question: a) For stateful packet inspection firewalls, what do ingress ACLs permit in general? b) What do egress ACLs disallow in general in SPI firewalls? c)

a) For stateful packet inspection firewalls, what do ingress ACLs permit in general?
b) What do egress ACLs disallow in general in SPI firewalls?
c) What do well-known port numbers designate?
d) Is Figure 6-10 an ACL for ingress filtering or egress filtering?
e) Why is Rule 2 in Figure 6-10 safer than Rule 1?
f) Which rule in the ACL in Figure 6-10 represents the default behavior of SPI firewalls for ingress connection-opening attempts?

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