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Consider the follow firewall policy defined below. ID protocol source IP destination IP decision 1 udp 1 0 . 1 . 1 . * 1

Consider the follow firewall policy defined below.
ID protocol source IP destination IP decision
1 udp 10.1.1.*10.3.78.204 deny
2 udp 172.10.23.*192.168.1.24 accept
3 tcp 10.1.2.*10.3.78.* deny
4 tcp 172.16.1.**.*.*.* deny
5 tcp 10.1.2.310.3.78.* accept
6 udp 172.10.23.48192.168.*.* deny
7 udp 10.1.*.**.*.*.* accept
8 tcp 172.16.1.*10.3.78.201 deny
a) What is the decision returned by this policy for a tcp packet coming from the IP source 10.1.2.3 going to the address 10.3.78.204? Which rule did you use to get this decision?
[2 Marks]
b) Identify in this table an example of shadowing. [2 Marks]
c) Identify in this table an example of correlation. [2 Marks]
d) Identify in this table an example of generalisation. [2 Marks]
e) Identify in this table an example of redundancy. [2 Marks]

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