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Last active January 18, 2024 19:23
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generate a knot-resolver (kresd) blacklist.rpz from pihole sources
-- Refer to manual: https://knot-resolver.readthedocs.io/en/latest/daemon.html#configuration
-- Listen on all interfaces (localhost would not work in Docker)
net.listen('0.0.0.0')
net.listen('0.0.0.0', 853, {tls=true})
-- Auto-maintain root TA
trust_anchors.file = '/data/root.keys'
-- Load Useful modules
modules = {
'policy', -- Block queries to local zones/bad sites
'serve_stale < cache', -- Allows stale-ness by up to one day, after roughly four seconds trying to contact the servers
'workarounds < iterate', -- Alters resolver behavior on specific broken sub-domains
'predict', -- Prefetch expiring/frequent records
'stats', -- Track internal statistics
http = { -- HTTP server for serving stats etc...
host = '192.168.2.110',
port = 8053,
cert = false,
},
}
-- Smaller cache size
cache.size = 20 * MB
-- Block Ads and Malware Domains
policy.add(policy.rpz(policy.DENY, '/data/blacklist.rpz'))
-- Forward DNS to CloudFlare using TLS
policy.add(policy.all(
policy.TLS_FORWARD({
{'1.1.1.1', hostname='cloudflare-dns.com', ca_file='/data/DigiCertGlobalRootCA.crt' },
{'1.0.0.1', hostname='cloudflare-dns.com', ca_file='/data/DigiCertGlobalRootCA.crt' },
})
))
# Copyright (c) 2019 Jimmy Zelinskie
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import re
from contextlib import closing
from urllib2 import urlopen
domain_blacklist = [
"",
"localhost",
"127.0.0.1",
"0.0.0.0",
"255.225.225.255",
"::1",
]
IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
HOST_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])"
HOSTSFILE_PREFIX = IP_REGEX + "|" + HOST_REGEX
HOSTSFILE_PREFIX_REGEX = re.compile(HOSTSFILE_PREFIX + "(\s+)")
HOSTSFILES_URLS = [
"http://sysctl.org/cameleon/hosts",
"https://hosts-file.net/ad_servers.txt",
"https://hosts-file.net/grm.txt",
"https://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts;showintro=0",
"https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts",
"https://raw.githubusercontent.com/StevenBlack/hosts/master/data/KADhosts/hosts",
"https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt",
"https://reddestdream.github.io/Projects/MinimalHosts/etc/MinimalHostsBlocker/minimalhosts",
]
DOMAIN_LIST_URLS = [
"https://gitlab.com/quidsup/notrack-blocklists/raw/master/notrack-blocklist.txt",
"https://mirror1.malwaredomains.com/files/justdomains",
"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",
"https://zeustracker.abuse.ch/blocklist.php?download=domainblocklist",
]
def strip_comment(line):
return line.split("#")[0].strip()
def domains_from_domain_list(fstream):
for linebytes in fstream:
line = linebytes.decode("utf-8").strip()
if line.startswith("#"):
continue
domain = strip_comment(line)
if domain not in domain_blacklist:
yield domain
def domains_from_hostfile(fstream):
for linebytes in fstream:
line = linebytes.decode("utf-8").strip()
prefix = HOSTSFILE_PREFIX_REGEX.match(line)
if prefix is None:
continue
domain = strip_comment(line[prefix.end():])
if domain in domain_blacklist:
continue
yield domain
def main():
print "$TTL\t2\n" \
"@\tIN\tSOA\tlocalhost.\troot.localhost.\t(\n" \
"\t\t2\t;\tserial\n" \
"\t\t2w\t;\trefresh\n" \
"\t\t2w\t;\tretry\n" \
"\t\t2w\t;\texpiry\n" \
"\t\t2w\t;\tminimum\n" \
"\t\tIN\tNS\tlocalhost.\n\n"
domains = set()
for url in HOSTSFILES_URLS:
with closing(urlopen(url)) as f:
domains = domains.union(set([domain for domain in domains_from_hostfile(f)]))
for url in DOMAIN_LIST_URLS:
with closing(urlopen(url)) as f:
domains = domains.union(set([domain for domain in domains_from_domain_list(f)]))
for domain in sorted(domains):
print domain + "\tCNAME\t."
print "*." + domain + "\tCNAME\t."
if __name__ == '__main__':
main()
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