Re: resolv.conf ??

[Bruno Wolff III <bruno@xxxxxxxx>]

On Sun, Aug 05, 2012 at 20:19:19 -0400,
  Jim <binarynut@xxxxxxxxxxx> wrote:
> F17
>
> How do I LOCK-IN namserver ijn resolv.conf so it cannot be changed by 
> Fedora ?

I run a local caching resolver on most of my machines, and I have found that 
it isn't hard to override the name server and search list while still using 
dchp. It does seem hard to find out how to do this though.

I put the following in /etc/dhcp/dhclient.conf:
supersede domain-name-servers 127.0.0.1;
supersede domain-search "wolff.to";
supersede host-name "laptop";
request subnet-mask,  broadcast-address, routers, interface-mtu;

Then I made sym links from /etc/dhcp/dhclient-wlan0.conf and 
/etc/dhcp/dhclient-em1.conf to /etc/dhcp/dhclient.conf to make the rules 
apply to connections from the em1 and wlan0 interfaces. You might want to 
use eth0 instead of em1 if that's what your interface is named.

Doing this will probably break wifi connections that lock you down until 
you visit their captive web page when you authenticate and/or agree to a 
usage policy.
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