Re: networking/dns all screwed up ?
From: wex (epicwinter_at_hotmail.com)
Date: 12/22/03
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- In reply to: David Efflandt: "Re: networking/dns all screwed up ?"
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Date: 21 Dec 2003 23:09:44 -0800
Well I do have both a *.mydomain.com and domain mydomain.com. In the
past I thought I had the same set up but maybe not. So could you
explain why this happens and more importantly the solution is to
remove one or the other? What are the advantages/disadvantages to the
removal options?
thanks
efflandt@xnet.com (David Efflandt) wrote in message news:<slrnbubooa.2is.efflandt@typhoon.xnet.com>...
> On 21 Dec 2003 00:47:17 -0800, wex <epicwinter@hotmail.com> wrote:
> > I am running redhat 8.0, with a 2.4.20 kernel. I have apache running
> > and host several websites. I run a deny first policy iptables
> > firewall. I have two nics one goes to the world the other goes to a
> > masqueraded internal network. I am not running dns but it seems like
> > a dns problem. I am experiencing some wierd networking problems.
> > Lets say mydomain name is mydomain.com. If I go in my mozilla an go
> > to a domain name that doesn't exist like "www.znasdasd.com" instead of
> > taking me to the this domain name does not respond I get the homepage
> > of mydomain.com but it says "www.znasdasd.com/index.html" in the
> > location bar. At the same time if i ping "www.znasdasd.com" i get
> > this:
> > #ping www.znasdasd.com
> > PING www.znasdasd.com.mydomain.com (x.x.x.x) from x.x.x.x : 56(84)
> > bytes of data.
> > 64 bytes from mydomain.com (x.x.x.x): icmp_seq=1 ttl=64 time=0.151 ms
> > 64 bytes from mydomain.com (x.x.x.x): icmp_seq=2 ttl=64 time=0.118 ms
> >
> > --- www.znasdasd.com.mydomain.com ping statistics ---
> > 2 packets transmitted, 2 received, 0% loss, time 999ms
> > rtt min/avg/max/mdev = 0.118/0.134/0.151/0.020 ms
> >
> > Same thing happens when i traceroute. Now if i shutdown apache and go
> > in the browser i get connection refused from host but i get the exact
> > same results as earlier with the ping. Also I get the same ping
> > experience from my internal net???
>
> Sounds like you have a wildcard *.mydomain.com for your domain and 'domain
> mydomain.com' or 'search mydomain.com' in /etc/resolv.conf. Therefore,
> anything.at.all will resolve to anything.at.all.mydomain.com (you).
>
> I have dynamic DNS with a wildcard like that, but I do NOT list that name
> in /etc/resolv.conf, and therefore, do not have that problem.
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