A DNS server which runs on localhost to block Advertisements and Malicious Websites, Just point your system or browser DNS queries to localhost:53 and Voila! No more ads and bad websites!
Customizable: Blacklist can include any website you want!
Blacklist gets reloaded into the application at runtime when it is modified old blacklist is used if there are any problems in the new blacklist
Python's logging output file DNSGuard.log gets compressed and versioned, and is uploaded to an S3 bucket for analytical and archival purposes on an hourly basis via a scheduled cron job using the Linux logrotate utility, if it exceeds a certain size
run sudo ./install.sh to install required python3 libraries
Search up how to change the DNS of your respective operating system on internet and set the DNS (IPV4) address to 127.0.0.1 and start the server on command line or using daemons such as runit or monit
$ dig www.example.com @127.0.0.1
The websites which are blocked will not receive a response / will be timed out
sudo python3 DNSGuard.py
usage: DNSGuard.py [-h] [-ip IP] [-p PORT] [-bl BLACKLIST]
optional arguments: -h, --help show this help message and exit
-ip IP, --ip IP Select the ip on which the DNS server is to be active
-p PORT, --port PORT Select the port number on which the DNS server is to be active
-bl BLACKLIST, --blacklist BLACKLIST Select the file from which the blacklist is to be read
https://blog.jayway.com/2014/09/12/automatic-backup-of-log-files-to-s3-from-ec2-instances/