Question: If a packet filter firewall does not allow reset (RST) packets out, then the TCP ACK scan described in the text will not succeed. a)

If a packet filter firewall does not allow reset (RST) packets out, then the TCP ACK scan described in the text will not succeed.

a) What are some drawbacks to this approach?

b) Could the TCP ACK scan attack be modified to work against such a system? (Explain it please)

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