Firewall and DNS caching without NetworkManager

[আনন্দ কুমার সমাদ্দার Ananda Samaddar]

On Sat, 18 May 2013 15:18:15 +0100
আনন্দ কুমার সমাদ্দার Ananda Samaddar <ananda at samaddar.co.uk> wrote:

> On Sat, 18 May 2013 08:58:41 -0500
> "Mikkel L. Ellertson" <mellertson at gmail.com> wrote:
> 
> > On 05/18/2013 08:41 AM, আনন্দ কুমার সমাদ্দার Ananda Samaddar wrote:
> > > Hello all,
> > >
> > > I've just installed Fedora 18 X86-64.  I disabled and uninstalled
> > > networkmanager and use the standard networking stuff which seems
> > > to use dhclient. I'm using a standard ethernet connection.
> > >
> > > So I need to do two things.  Feel free to tell me to RTFM if you
> > > can provide a link!
> > >
> > > 1.  How do I enable pre-pending of nameservers?  I want to use
> > > dnsmasq to cache DNS requests so I need to add 127.0.0.1 to the
> > > top of resolv.conf.  Google searchs take me to the Arch Wiki.  I
> > > can't seem to find a dhclient.conf file anywhere in /etc.
> > >
> > > 2.  How do I assign a zone in firewalld to my connection?  I want
> > > to be able to open ports for bittorrent and XMPP jingle
> > > voice/video.  The firewalld wiki on the Fedora site doesn't seem
> > > to be able to answer my question.
> > >
> > > thanks in advance,
> > >
> > > Ananda Samaddar
> > You may want to read /usr/share/doc/initscripts-9.42.2/sysconfig.txt
> > - search for PEERDNS.
> > 
> > Mikkel
> > 
> 
> Thanks Mikkel but I don't think this works.  In the ifcfg settings if
> you specify a DNS server then the network is assumed to have static
> DNS.  So if I put DNS1=127.0.0.1 in the the ifcfg-em1 file all I get
> in resolv.conf is that nameserver and not the one supplied by my
> router underneath.
> 
> Ananda

Apologies for replying to myself.  Issue one has been fixed by creating
the file /etc/dhcp/dhclient-em1.conf and adding the line "prepend
domain-name-servers 127.0.0.1;" to the file.  I still need some info on
firewalld zones though.

Ananda