iptables

[Tom H]

On Fri, Dec 7, 2012 at 11:43 AM, JD <jd1008 at gmail.com> wrote:
>
> I just ran nm-tool and it reports
>
> - Device: wlan0
> ----------------------------------------------------------------
>   Type:              802.11 WiFi
>   Driver:            ath9k
>   State:             unmanaged
>   Default:           no
>   HW Address:        00:23:80:00:03:0A
>
> So how is it that NM no longer manages wlan0?
> And why is it set to default to no?
>
> It was coming up just fine before In installed ufw and enabled it.
> In fact, I was on wifi connection when a respondent to my question
> re: iptables, suggested I use ufw.

Do you have any NIC other than "lo" defined in "/etc/network/interfaces"?