DNSlock - DNSmasq based network wide content/advertisement blocker for debian based operating systems.

DNSlock is a DNS forwarder which can block content/advertisement/domains in your whole network

--> Installation

Single command Installer:

1. Make sure the device or server on which you want to install DNSlock have a static IP address.
2. Get root permissions (sudo su)
3. curl https://raw.githubusercontent.com/raghavdua1995/DNSlock/master/install | bash
4. Configure your devices/router(for network wide content blocking) to use DNSlock as it's primary DNS server

Note : The above installer downloads this script.

--> Commands

DNSlock uses the following commands:

DNSlock --update : Update the hosts file

DNSlock --start : Start DNSlock

DNSlock --status : Check if DNSlock is active or inactive

DNSlock --stop : Stop DNSlock

DNSlock --restart : Restart DNSlock

DNSlock --blacklist <domain1> <domain2> ..... : Blacklist domains

DNSlock --*blacklist <domain1> <domain2> ..... : Remove domains from blacklist

DNSlock --whitelist <domain1> <domain2> ..... : Whitelist domains

DNSlock --*whitelist <domain1> <domain2> ..... : Remove domains from whitelist

DNSlock --wildcard <domain1> <domain2> ..... : Wildcard block domains

DNSlock --*wildcard <domain1> <domain2> ..... : Remove domains from wildcard list

DNSlock --forcesafesearch : Enforce safe search on Google and Youtube

DNSlock --disablesafesearch : Stop enforcing safe search on Google and Youtube.

DNSlock --reset dnsmasq : Resets dnsmasq server to default settings

DNSlock --reset sources : Replaces hosts file sources list with the default one

DNSlock --reset webserver : Restores lighttpd web server's default settings

DNSlock --reset blacklist : Removes all user blacklisted domains

DNSlock --reset whitelist : Removes all user whitelisted domains

DNSlock --reset ip : Resets/Updates DNSlock's IP address/Interface

DNSlock --reset complete : Performs a full reset

Note : DNSlock --reset can accept multiple arguments

DNSlock --tail : Tail DNSlock logs

DNSlock --flush : Flush DNSlock logs

DNSlock --query : Query if a domain is being blocked

--> Hosts file sources

DNSlock's hosts file sources are mentioned in /etc/DNSlock/sources.list You can edit the file and add new sources using any text editor, we will be using nano editor in the following instructions:

1. sudo nano /etc/DNSlock/sources.list , Enter password if prompted.
2. Add link for the hosts file you want to add.
3. DNSlock --update , Update hosts file

You can add virtually any number of hosts file sources you want, Filterlist is a comprehensive directory of hosts files around the internet.

--> Uninstallation

Single command Uninstaller:

1. Get root permissions (sudo su)
2. curl https://raw.githubusercontent.com/raghavdua1995/DNSlock/master/uninstall | bash
3. Configure your devices/router(for network wide content blocking) to use some other DNS server (like the one provided by your ISP or Google's DNS server).

Note : The above uninstaller downloads this script.

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An open source project by Raghav Dua.