Manage the Firewall Policy

Umbrella's cloud-delivered firewall provides firewall services without the need to deploy, maintain and upgrade physical or virtual appliances at each site. Umbrella’s cloud-delivered firewall (CDFW) provides visibility and control for internet traffic across all branch offices. With Umbrella’s cloud-delivered firewall, all activity is logged and unwanted traffic blocked using IP, port, and protocol rules. To forward traffic, you establish an IPsec (Internet Protocol Security) IKEv2 (Internet Key Exchange, version 2) tunnel from any network device and as new tunnels are added, rules are automatically applied for easy setup and consistent enforcement.


RFC 1918

The Umbrella cloud-delivered firewall (CDFW) expects an RFC 1918 IP address as the source IP address for outbound packets. If you use routable IP addresses on your internal network, you must contact Umbrella Support and provide the range of IP addresses that you use. Without this information, Umbrella cannot determine the IP address and may drop packets. For information about address allocation and private networks, see RFC 1918.

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