kamsky te e enviado por pm lo que me has pedido, cuando realizo ettercap y hago un arp poison por ejemplo y luego cierro el ettercap me aparece lo siguiente...
Closing text interface...
ARP poisoner deactivated.
RE-ARPing the victims...
Unified sniffing was stopped.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist.conf.save, it will be ignored in a future release.
WARNING: Failed to open config file blacklist.conf.save: Permission denied
iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.
etc....
todo esto utilizando "sudo ettercap -Tq -i wlan7 -M arp:remote /190.163.67.2/ /192.168.100.1/"
pasa lo mismo con sudo su...
quisas tiene que ver con el problema principal...