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Your rules should ensure that Internet access will be restricted to the following:
Only the following services will be permitted as OUTBOUND traffic (to the Internet from the DMZ or intranet):
Only the following services will be permitted as INBOUND traffic (to the DMZfrom the Internet):
Access between the Intranet and the DMZ will be restricted to the following. Only the following services will be permitted as OUTBOUND traffic (to the DMZ from the intranet):
Only the following services will be permitted as INBOUND traffic (from the DMZ to the intranet) traffic:
The firewall is not to be accessible remotely on any interface - i.e. it should not accept connections on any of its IP addresses EXCEPT on its VPN port on the external interface.
Submission Requirements:
You are required to develop two sets of rules for the firewall. One will process traffic travelling between the Internet to the DMZ and Intranet. The other will process traffic travelling between the Intranet and the DMZ. You need to also explain what each rule does.The Following summarises the protocols and port numbers you may need to use:
Summary of the relevant Port Numbers:
Port Number
Protocol
1521
Oracle (SQLNet)
22
SSH
25
SMTP
443
HTTPS
80
HTTP
110
POP3
445
SMB
4500
VPN Tunnel
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