iptables

[Tom H]

On Sat, Dec 8, 2012 at 12:29 PM, Tom H <tomh0665 at gmail.com> wrote:
>
> For the upstream dns servers: I've never used NM with dnsmasq,
> resolvconf, and a static ip address! I would've liked to test the
> following before posting but I don't have an Ubuntu box available
> right now. NM runs its own version of dnsmasq and, AFAIK, picks up its
> config from "/etc/NetworkManager/dnsmasq.d/". dnsmasq has a "server="
> configuration option so you could set that to an upstream dns server.
> Make sure that you chmod the file to 0600 or 0700 because NM usually's
> strict about file modes.
>
> For the default gateway: Have you checked the ipv4 settings in the NM
> applet? If you choose static, you have to enter ip address, netmask,
> and *gateway*.

Quite frankly, rather than doing this, given that you're using a
static setup and have had weird network problems, I'd simply disable
resolvconf and dnsmasq and just use the NM applet to set the ip
address, netmask, gateway, and name server(s).