# [knot-resolver-gael](https://snapcraft.io/knot-resolver-gael)
This is NOT an original piece of work, just a snap of Knot Resolver
Knot Resolver is a caching full resolver implementation written in C and LuaJIT, both a resolver library and a daemon. The core architecture is tiny and efficient, and provides a foundation and a state-machine like API for extensions. There are three modules built-in - iterator, validator, cache, and a few more are loaded by default. Most of the rich features are written in Lua(JIT) and C. Batteries are included, but optional.
The LuaJIT modules, support DNS privacy and DNSSEC, and persistent cache with low memory footprint make it a great personal DNS resolver or a research tool to tap into DNS data. TL;DR it's the OpenResty of DNS.
First use
Read the doc at https://knot-resolver.readthedocs.io/en/stable/ on how to get started.
Configure the resolver
sudo vi /var/snap/knot-resolver-gael/current/kresd.conf
sudo snap start --enable knot-resolver-gael.kresd
sudo snap logs -n 30 knot-resolver-gael.kresd
Deny domain resolution (refreshed every 4 hrs)
sudo vi /var/snap/knot-resolver-gael/common/policies/deny_hosts.url
# Sample deny host files URLs
https://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts;showintro=0
https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts
https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt
http://sysctl.org/cameleon/hosts
sudo vi /var/snap/knot-resolver-gael/common/policies/deny_domains.url
# Sample deny domains URLs
https://gitlab.com/quidsup/notrack-blocklists/raw/master/notrack-blocklist.txt
https://s3.amazonaws.com/lists.disconnect.me/simple_ad.txt
https://s3.amazonaws.com/lists.disconnect.me/simple_tracking.txt
https://v.firebog.net/hosts/AdguardDNS.txt
https://v.firebog.net/hosts/Easyprivacy.txt
sudo snap start --enable knot-resolver-gael.deny-policy
sudo snap logs -n 30 knot-resolver-gael.deny-policy
sudo vi /var/snap/knot-resolver-gael/current/kresd.conf
policy.add(policy.rpz(policy.DENY, '/var/snap/knot-resolver-gael/common/policies/deny_policy.rpz',true))
sudo snap restart knot-resolver-gael.kresd
sudo journalctl --follow --lines 30 -u snap.knot-resolver-gael.kresd
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sudo snap install knot-resolver-gael
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