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# Self-hosted AdGuard DNS # Self-hosted AdGuard DNS
AdGuard DNS is an ad-filtering DNS server with built-in phishing protection and optional family-friendly protection. AdGuard DNS is an alternative way to block ads, trackers and phishing websites, and also a parental control instrument.
## How does AdGuard DNS work? ## How does AdGuard DNS work?
If you configure your network to use this DNS server, every time a website sends an ad or phishing request, the server sends back a null response. AdGuard has a database of domain names that serve for ad, tracking or phishing purposes, and this database is regularly updated. If you configure your network to use this DNS server, every time a website sends an ad or phishing request, our server sends back a null ("empty") response. AdGuard has a database of domain names that serve for an ad, tracking or phishing purposes (and adult content, in case of parental control mode), and this database is regularly updated.
## How is this different from public AdGuard DNS servers? ## How is this different from public AdGuard DNS servers?
Running your own AdGuard DNS offers you more options: Running your own AdGuard DNS offers you more options:
* Enable/disable blocking of ads on the fly. * Enable/disable ad blocking on the fly.
* Enable/disable blocking of phishing and malware websites on the fly. * Enable/disable blocking of phishing and malware websites.
* Enable/disable blocking of adult websites on the fly. * Enable/disable blocking of websites with adult content.
* Enable/disable enforcing of family friendly search results in search engines like Google, Yandex and Bing. * Optional ability to enforce "Safe search" option in Google, Yandex and Bing.
* See which DNS requests are being made by which computer in your network by using query log. * See DNS query log — it shows what requests were sent by which clients and why a request was blocked.
* Add your own filtering rules on the fly. * Add your own custom filtering rules.
This repository describes how to set up and run your self-hosted instance of AdGuard DNS -- it comes with a web dashboard that can be accessed from browser to control the DNS server and change its settings, it also allows you to add your filters in both AdGuard and hosts format. This repository describes how to set up and run your self-hosted instance of AdGuard DNS — it comes with a web dashboard that can be accessed via browser to control the DNS server and change its settings, it also allows to add your own filters written in both "hosts" and AdGuard syntaxes.
If this seems too complicated, you can always use our public AdGuard DNS servers -- they are running same code from this repository and provide same functionality — https://adguard.com/en/adguard-dns/overview.html If this seems too complicated, you can always use our public AdGuard DNS servers — they are running the same code as in this repository and provide the same ad blocking/phishing protection/parental control functionality — https://adguard.com/en/adguard-dns/overview.html
## Installation ## Installation
### Mac ### Mac
Download file [AdguardDNS_0.1_MacOS.zip](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_MacOS.zip), then unpack it and follow [how to run](#how-to-run) instructions below.
Download this file: [AdguardDNS_0.1_MacOS.zip](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_MacOS.zip), then unpack it and follow ["How to run"](#how-to-run) instructions below.
### Linux 64-bit Intel ### Linux 64-bit Intel
Download file [AdguardDNS_0.1_linux_amd64.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_amd64.tar.gz), then unpack it and follow [how to run](#how-to-run) instructions below.
Download this file: [AdguardDNS_0.1_linux_amd64.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_amd64.tar.gz), then unpack it and follow ["How to run"](#how-to-run) instructions below.
### Linux 32-bit Intel ### Linux 32-bit Intel
Download file [AdguardDNS_0.1_linux_386.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_386.tar.gz), then unpack it and follow [how to run](#how-to-run) instructions below.
Download this file: [AdguardDNS_0.1_linux_386.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_386.tar.gz), then unpack it and follow ["How to run"](#how-to-run) instructions below.
### Raspberry Pi (32-bit ARM) ### Raspberry Pi (32-bit ARM)
Download file [AdguardDNS_0.1_linux_arm.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_arm.tar.gz), then unpack it and follow [how to run](#how-to-run) instructions below.
Download this file: [AdguardDNS_0.1_linux_arm.tar.gz](https://github.com/AdguardTeam/AdguardDNS/releases/download/v0.1/AdguardDNS_0.1_linux_arm.tar.gz), then unpack it and follow ["How to run"](#how-to-run) instructions below.
## How to run ## How to run
DNS works on port 53, which requires superuser privileges. Therefore, you need to run it with sudo in terminal: DNS works on port 53, which requires superuser privileges. Therefore, you need to run it with `sudo` in terminal:
```bash ```bash
sudo ./AdguardDNS sudo ./AdguardDNS
``` ```
Now open the browser and point it to http://localhost:3000/ to control your AdGuard DNS server. Now open the browser and navigate to http://localhost:3000/ to control your AdGuard DNS server.
### Running without superuser ### Running without superuser
You can run it without superuser privileges, but you need to instruct it to use other port rather than 53. You can do that by opening `AdguardDNS.yaml` and adding this line: You can run AdGuard DNS without superuser privileges, but you need to instruct it to use a different port rather than 53. You can do that by editing `AdguardDNS.yaml` and finding these two lines:
```yaml ```yaml
coredns: coredns:
port: 53535 port: 53
``` ```
If the file does not exist, create it and put these two lines down. You can change port 53 to anything above 1024 to avoid requiring superuser privileges.
If the file does not exist, create it in the same folder, type these two lines down and save.
### Additional configuration ### Additional configuration
Open first execution, a file `AdguardDNS.yaml` will be created, with default values written in it. You can modify the file while your AdGuard DNS is not running, otherwise any changes to the file will be lost because they will be overwritten by the program. Upon the first execution, a file named `AdguardDNS.yaml` will be created, with default values written in it. You can modify the file while your AdGuard DNS is not running. Otherwise, any changes to the file will be lost because the running program will overwrite them.
Explanation of settings: Settings are stored in [YAML format](https://en.wikipedia.org/wiki/YAML), possible parameters that you can configure are listed below:
* `bind_host` -- Web interface IP address to listen on * `bind_host` — Web interface IP address to listen on
* `bind_port` -- Web interface IP port to listen on * `bind_port` — Web interface IP port to listen on
* `auth_name` -- Web interface optional authorization username * `auth_name` — Web interface optional authorization username
* `auth_pass` -- Web interface optional authorization password * `auth_pass` — Web interface optional authorization password
* `coredns` -- CoreDNS configuration section * `coredns` — CoreDNS configuration section
* `port` -- DNS server port to listen on * `port` — DNS server port to listen on
* `filtering_enabled` -- Filtering of DNS requests based on filter lists * `filtering_enabled` — Filtering of DNS requests based on filter lists
* `safebrowsing_enabled` -- Filtering of DNS requests based on safebrowsing * `safebrowsing_enabled` — Filtering of DNS requests based on safebrowsing
* `safesearch_enabled` -- Enforcing safe search when accessing search engines * `safesearch_enabled` — Enforcing "Safe search" option for search engines, when possible
* `parental_enabled` -- Filtering of DNS requests based on parental safety * `parental_enabled` — Parental control-based DNS requests filtering
* `parental_sensitivity` -- Age group for filtering based on parental safety * `parental_sensitivity` — Age group for parental control-based filtering, must be either 3, 10, 13 or 17
* `querylog_enabled` -- Query logging, also used to calculate top 50 clients, blocked domains and requested domains for stats * `querylog_enabled` — Query logging (also used to calculate top 50 clients, blocked domains and requested domains for statistic purposes)
* `upstream_dns` -- List of upstream DNS servers * `upstream_dns` — List of upstream DNS servers
* `filters` -- List of filters, each filter has these values: * `filters` — List of filters, each filter has the following values:
* `url` -- URL pointing to the filter contents * `url` — URL pointing to the filter contents (filtering rules)
* `enabled` -- Enable/disable current filter * `enabled` — Current filter's status (enabled/disabled)
* `user_rules` -- User-defined filtering rules * `user_rules` — User-specified filtering rules
Removing an entry from settings file will reset it to default value. Deleting the file will reset all settings to default values. Removing an entry from settings file will reset it to the default value. Deleting the file will reset all settings to the default values.
## How to build your own ## How to build from source
### Prerequisites ### Prerequisites
You will need: You will need:
* [go](https://golang.org/dl/) * [go](https://golang.org/dl/)
* [node.js](https://nodejs.org/en/download/) * [node.js](https://nodejs.org/en/download/)
You can either install it from these websites or use [brew.sh](https://brew.sh/) if you're on Mac: You can either install it via the provided links or use [brew.sh](https://brew.sh/) if you're on Mac:
```bash ```bash
brew install go node brew install go node
``` ```
### Building ### Building
Open Terminal and execute these commands: Open Terminal and execute these commands:
```bash ```bash
git clone https://github.com/AdguardTeam/AdguardDNS git clone https://github.com/AdguardTeam/AdguardDNS
cd AdguardDNS cd AdguardDNS
@ -108,4 +120,4 @@ You are welcome to fork this repository, make your changes and submit a pull req
## Reporting issues ## Reporting issues
If you come across any problem, or have a suggestion, head to [this page](https://github.com/AdguardTeam/AdguardDNS/issues) and click on the `New issue` button. If you run into any problem or have a suggestion, head to [this page](https://github.com/AdguardTeam/AdguardDNS/issues) and click on the `New issue` button.