Rule A

Protocol: UDP

Source IP: $192\mathrm{.}16\mathrm{.}3\mathrm{.}27$

Dest IP: $202\mathrm{.}123\mathrm{.}3\mathrm{.}4$

Source Port: Any

Dest Port: $53$

Action: Accept

Rule B

Protocol: TCP

Source IP: $55\mathrm{.}88\mathrm{.}77\mathrm{.}0/24$

Dest IP: $202\mathrm{.}123\mathrm{.}3\mathrm{.}4$

Source Port: Any

Dest Port: $22$

Action: Reject

Rule C

Protocol: TCP

Source IP: $55\mathrm{.}88\mathrm{.}77\mathrm{.}12$

Dest IP: $202\mathrm{.}123\mathrm{.}3\mathrm{.}4$

Source Port: $4500$

Dest Port: $22$

Action: Accept

Rule D

Protocol: TCP

Source IP: $192\mathrm{.}16\mathrm{.}3\mathrm{.}27$

Dest IP: $202\mathrm{.}123\mathrm{.}3\mathrm{.}4$

Source Port: Any

Dest Port: $22$

Action: Reject

Identify firewall policies that are $($potentially$)$ in conflict of these rules. Explain and discuss the impact of the conflict, if any.