![]() ![]() In the VPC network section, select Firewall.Google firewall rules must be configured for traffic to reach the firewall instances. Verify that the networks of the VPC networks do not overlap. The number of virtual networks may not exceed the number of CPU cores on the firewall instance. The VPC network for the firewall instances is now listed in the VPC Networks list.Ĭreate additional virtual networks with subnets in the same region. (optional) For each additional subnet in this virtual network, click ADD SUBNET.Private Google Access – Select the radio button.Do not use a network that overlaps with your on-premises network. IPv4 range – Enter the network in CIDR format.All virtual networks must be in the same region. In the VPC network section, select VPC networks.Click the hamburger menu in the upper-left corner.Create a new project or select your project.Create a subnet for the firewall instances. Download the Google Cloud Takeover script needed for Step 18: gcp-ha-takeover.shĬreate the virtual private network where the two firewall instances will be running.For more information, see How to Create a Custom Role and Service Account for the CloudGen Firewall in the Google Cloud. Create a custom service account and role for the High Availability cluster.Download the Google Cloud Image from the Barracuda Networks Download Portal.Alternatively, it is also possible to probe a web service behind the firewall, but an outage of the web service would result in the firewall to be considered unhealthy. Use the SSL VPN service or the Cloud landing page. To use the load balancer, there must be a service on port 80 or 433 running on or behind the firewall because the Google legacy health check only allows HTTP and HTTP health checks. To use the High Availability cluster with a single public IP address, add a TCP and/or UDP Google Network Load balancer. The script is executed every time the service fails over and rewrites the routes to use the active firewall as the target. To rewrite the routes using the firewall as the target, a script must be placed in the /opt/phion/hooks/ha/ directory of each firewall. For example: for three VPCs, you need an instance with 3 CPU cores or more. The number of network interfaces is determined by the number of CPU cores of the selected instance types. This allows the firewall to act both as the default gateway for Internet-bound traffic and as a segmentation firewall to VPC-to-VPC traffic. Routing table in the VPC networks are configured to use the firewall as the target for traffic to the Internet and to other VPC networks. The firewall instances are configured with one network interface per VPC network. All VPC networks must be in the same region however, the two firewall instances are deployed into two different zones inside this region. Running your CloudGen Firewall in a High Availability cluster in the Google Cloud ensures that even in the event of a datacenter failure in the cloud the other firewall can take over and your applications will remain reachable.
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