Your new network administrator has recently modified your PIX Firewall’s configuration. You are
suddenly experiencing security breaches involving Internet mail. What change did the
administrator make?
A.
He disabled the PIX Firewall’ssmtp fixup.
B.
He disabled the PIX Firewall’smailport fixup.
C.
He enabled the PIX Firewall’sils fixup on port 25.
D.
He defined the ports on which to activate Mail Guard.