44 lines
2.1 KiB
Markdown
44 lines
2.1 KiB
Markdown
# Cloudflare Gateway Adblocking
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Serverless adblocking via Cloudflare Zero Trust Gateway
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### What is this?
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This is a serverless adblocking solution that uses Cloudflare's Zero Trust Gateway to block ads by parsing a hosts file and creating a firewall rule to block the domains. It can be used as an alternative to Pi-Hole or other adblocking solutions.
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This project was heavily inspired by [this blog post](https://blog.marcolancini.it/2022/blog-serverless-ad-blocking-with-cloudflare-gateway/)
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### Pre-requisites
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* Python > 3.10
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* A Cloudflare account with Zero Trust enabled
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* A Cloudflare API tolken with the following permissions:
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* Zero Trust: Edit
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* Account Firewall Access Rules: Edit
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* Access: Apps and Policies: Edit
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* A device with the WARP client installed and configured to use a Zero Trust account
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<!--
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### Installation
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#### From PyPi
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`pip install cloudflare-gateway-adblocking`
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-->
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### Usage
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#### Setting Cloudflare credentials
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##### Environment variables
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The following environment variables can be used to set the Cloudflare credentials:
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* `CLOUDFLARE_ACCOUNT_ID`
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* `CLOUDFLARE_TOKEN`
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These can either be set in the environment or in a `.env` file in the current working directory.
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#### Command line flags
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The following command line flags can be used to set the Cloudflare credentials:
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* Cloudflare Account ID: `--account-id` / `-a`
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* Cloudflare Token: `--token` / `-t`
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#### Passing blocklists
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Blocklists can be passed to the program via the command line flag `--blocklist` / `-b`. This flag can either point to a hosts file or a directory containing hosts files. If this flag is not passed, the program will look for a file or directory named `blocklists` in the current working directory.
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#### Uploading blocklists and creating a firewall policy
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To upload the blocklists to Cloudflare and create a firewall policy, use the `upload` subcommand.
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For example:
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`cloudflare-gateway-adblocking upload`
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#### Deleting blocklists and firewall policy
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To delete the blocklists from Cloudflare and delete the firewall policy, use the `delete` subcommand.
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For example:
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`cloudflare-gateway-adblocking delete` |