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Update README.md

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Ludovico Magnocavallo 2021-03-01 07:23:07 +01:00 committed by GitHub
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networking/filtering-proxy/README.md
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This example shows how to deploy a filtering HTTP proxy to restrict Internet access. Here we show one way to do this using a VPC with two subnets:
- The first subnet (called "apps" in this example) hosts the VMs that will have their Internet access tightly controlled a non-caching filtering forward proxy.
- The second subnet (called "proxy" in this example) hosts a Cloud NAT instance and a Squid Server [Squid](http://www.squid-cache.org/).
- The `apps` subnet hosts the VMs that will have their Internet access tightly controlled by a non-caching filtering forward proxy.
- The `proxy` subnet hosts a Cloud NAT instance and a [Squid](http://www.squid-cache.org/) server.
The VPC is a Shared VPC and all the service projects will be located under a folder enforcing the `compute.vmExternalIpAccess` [organization policies](https://cloud.google.com/resource-manager/docs/organization-policy/org-policy-constraints). This prevents the service projects from having external IPs thus forcing all outbound Internet connections through the proxy.