1.

What do you mean by perimeter? What kind of connections does the firewall permit on the perimeter?

Answer»

Typically, a perimeter acts as a security boundary or border that PROVIDES the main defence of an INTERNAL (private) network and other public networks (such as the internet or external network). Firewalls on the perimeter of the network handle all incoming/outgoing TRAFFIC. Firewalls on perimeters usually allow the following connections:

  • Connections to DNS (DOMAIN Name System) servers.
  • VPN (Virtual Private Network) connections.
  • Specified external connections.
  • Outgoing connections to the Internet.
  • Connections to servers in the DMZ (Demilitarized ZONE).
  • Connections from the internal network to the internal network.


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