Tag Archives: Promiscuous

Ports to Promisc Linux

It may be that you need to configure your network ports to listen in promiscuous mode – packet sniffing, IDS etc. Quick and easy configuration on Linux is available through /etc/network/interfaces and the addition of the following lines will do it assuming (eth2):

auto eth2
iface eth2 inet manual
up ifconfig $IFACE up
up ip link set $IFACE promisc on
down ip link set $IFACE promisc off
down ifconfig $IFACE down

Just a quick tip 😉

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