A layer-4 firewall (a device that can look at all protocol headers up to the transport layer) CANNOT a. block entire HTTP traffic during 9:00PM and 5 :0OAM b. block all ICMP trafficc. stop incoming traffic from a specific IP address but allow outgoing traffic to the same IP address d. block TCP traffic from a specific user on a multi-user system during 9:00PM and 5:00AM

A layer-4 firewall (a device that can look
at all protocol headers up to the transport
layer) CANNOT
a. block entire HTTP traffic during
9:00PM and 5 :0OAM
b. block all ICMP traffic
c. stop incoming traffic from a specific
IP address but allow outgoing traffic
to the same IP address
d. block TCP traffic from a specific
user on a multi-user system during
9:00PM and 5:00AM
by

1 Answer

Answer :

d. block TCP traffic from a specific
user on a multi-user system during
9:00PM and 5:00AM
by

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