> Date: Fri, 3 Oct 2008 17:09:39 +0000 > From: richardvoigt > Subject: Re: [Dnsmasq-discuss] Override DNS servers in DHCP packet
> On Wed, Sep 24, 2008 at 12:51 AM, A C <agcme> wrote: > >> On Tue, 23 Sep 2008 15:45:24 -0400 > >> A C <ag...@hotmail.com> wrote: > >> > >> > > >> > Does dnsmasq use the DNS servers listed in /etc/resolv.conf over those > >> > listed in a DHCP packet? I was forced to use DHCP for my public > >> > connection > >> > but I don't want to use the provided DNS servers as they are slower than > >> > the > >> > ones I had manually configured. > >> > >> I think typically the DHCP client would write /etc/resolv.conf with the > >> information it is provided by the DHCP server. Then dnsmasq looks > >> there, unless you configure it otherwise. > >> > >> If you're talking about serving up different DNS servers via dnsmasq's > >> bult-in DHCP server, then take a look at: dnsmasq --help dhcp > >> > > > > I was indeed talking about the first situation and not serving up alternate > > DNS servers. As it turns out, my installation is using udhcpd and writing > > udhcpc more likely Yes udhcpc, I typoed. > > the data to /tmp/resolv.conf while dnsmasq is still looking at > > /etc/resolv.conf. Since I don't have any directives to look at any other > > resolv.conf that I can see, I think it's safe to assume that dnsmasq is > > honoring my own /etc/resolv.conf and ignoring the DHCP packet. > > Sounds like OpenWRT, where /etc/resolv.conf and /tmp/resolv.conf are > actually the same file (symlinked) by default. Not on my installation, they are independent files. So it works out. > Note that there's a dnsmasq configuration option to have it look at a > file other than /etc/resolv.conf ... surely no dhcp client is going to > tamper with a file named /etc/resolv.dnsmasq for instance. I should think not but I had to make sure. _________________________________________________________________ Get more out of the Web. Learn 10 hidden secrets of Windows Live. http://windowslive.com/connect/post/jamiethomson.spaces.live.com-Blog-cns!550F681DAD532637!5295.entry?ocid=TXT_TAGLM_WL_domore_092008
