arpspoof: libnet_init(): UID or EUID of 0 required

i'm a new ubuntu user and i'm trying sslstrip .i did all the steps but when i try to run arpspoof i get this error message "arpspoof: libnet_init(): UID or EUID of 0 required" here is the tuto that i folowed http://www.thoughtcrime.org/software/sslstrip/ help !!!! Thanks (sorry for my english).


You need to run it as root first.I had the same problem. This solved it.

use:

sudo -s  

first.