[HOWTO] Fix netdiscover not working properly on Kali 2020.1

The libpcap0.8 is upgraded from 1.8.1-6 to 1.9.1-2 since Kali 2019.4. The "-r" switch of netdiscover is no longer workable since then as it is no longer updated since Oct 8, 2019.

It is required to downgrade the libpcap0.8 to the version 1.8.1-6 and it should be held in order to prevent it from upgrade automatically in the future until netdiscover is upgraded accordingly.

wget http://ftp.us.debian.org/debian/pool/main/libp/libpcap/libpcap0.8_1.8.1-6_amd64.deb

sudo dpkg -i libpcap0.8_1.8.1-6_amd64.deb

sudo apt-mark hold libpcap0.8

Now, you can run it with "-r" switch.

sudo netdiscover -r 10.0.2.0/24


That's all! See you.