DNS spoofing
$ sudo apt update
$ sudo apt upgrade
$ sudo apt dist-upgrade
$ sudo apt install build-essential python-dev python3-dev libnetfilter-queue-dev
$ sudo apt install curl nmap tcpdump libpcap0.8
$ sudo apt install sudo apt install libnfnetlink-dev libnetfilter-conntrack-dev
$ sudo apt install python3-distutils python3-testresources
$ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
$ python3 get-pip.py --user
$ pip install -U pip
$ pip install matplotlib --user
$ pip install --pre scapy[basic] --user
#$ pip install --pre scapy[complete] --user
$ pip install netfilter --user
$ pip install netfilterqueue --user
$ sudo iptables -A OUTPUT -p udp --dport 53 -j NFQUEUE --queue-num 1
$ sudo iptables -L -nv
sudo iptables -D OUTPUT -p udp --dport 53 -j NFQUEUE --queue-num 1
sudo iptables -L --line-numbers
sudo iptables -D OUTPUT line-number
sudo iptables -P OUTPUT ACCEPT