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unbound-blacklist

Service that generates and updates a group of blacklists for unbound DNS server

  • supports multiple blacklists
  • supports domain whitelist
  • TODO: merge blacklists to prevent redundancy

How it works:

  1. Download configured blacklists.
  2. Generate unbound blacklist configuration without whitelisted domains.
  3. Reload unbound service.
  4. After 15 minutes from the system boot and every 24 hours, the systemd timer updates the blacklist.

Installation with deb package

Clone the repository

git clone https://github.com:alexsotoaguilera/unbound-blacklist.git

Generate deb package

cd unbound-blacklist
dpkg-deb --build --root-owner-group unbound-blacklist

Install deb package

sudo dpkg -i unbound-blacklist.deb

Manual installation:

Clone the repository

git clone https://github.com:alexsotoaguilera/unbound-blacklist.git

Copy script to /usr/local/bin/

sudo cp unbound-blacklist/unbound-blacklist/usr/local/bin/unbound-blacklist /usr/local/bin/
sudo chmod ug+x /usr/local/bin/unbound-blacklist

Copy config files to /etc/

sudo cp unbound-blacklist/etc/unbound-blacklist /etc/

Copy service and timer to /etc/systemd/system/

sudo cp unbound-blacklist/unbound-blacklist/etc/systemd/system/unbound-blacklist-updater.service /etc/systemd/system/
sudo cp unbound-blacklist/unbound-blacklist/etc/systemd/system/unbound-blacklist-updater.timer /etc/systemd/system/

Enable timer

sudo systemctl enable unbound-blacklist-updater.timer

Start service and timer

sudo systemctl start unbound-blacklist-updater.service
sudo systemctl start unbound-blacklist-updater.timer

Configuration

Edit configuration at /etc/unbound-blacklist/conf.json

blocking_mode: always_nxdomain, always_null (unbound >= 1.13.1), always_nodata

{
  "blocking_mode": "always_nxdomain",
  "unbound_conf_path": "/etc/unbound/unbound.conf.d/",
  "whitelist_path": "/etc/unbound-blacklist/whitelist",

  "blacklist":{
    "stevenblack": {
      "enabled": true,
      "url": "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts",
      "input_format": "0.0.0.0 DOMAIN",
      "config": "/etc/unbound/unbound.conf.d/unbound-blacklist_stevenblack.conf"
    },
    "oisd": {
      "enabled": false,
      "url": "https://dbl.oisd.nl/",
      "input_format": "DOMAIN",
      "config": "/etc/unbound/unbound.conf.d/unbound-blacklist_oisd.conf"
    }
  }
}

Whitelist

Add on domain per line on /etc/unbound-blacklist/whitelist

example1.com
example2.com

Rebuild blacklist files:

sudo unbound-blacklist

and that's it