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Re: pon okay, browsers not.

on Sun, Apr 25, 2004 at 03:34:22PM +0200, Hans (hansfong@zonnet.nl) wrote:
> Sebastiaan wrote:
> > On Sun, 25 Apr 2004, Hans wrote:

> > > Interesting problem, which I have never encountered. I set up my dial-in
> > > with pppconfig, run pon and I connect to my ISP fine. Mozilla, lynx or
> > > any other browser can't connect to anything on the net, however. Wrong
> > > nameservers were my first thought, but they are dynamic, not static. Any
> > > hints on where to look? Thanks.

> > How is your routing table? route -n
> > There should be a default gateway, where it points to depends on your
> > ISP.
> > 
> > For DNS to work, first check if you can ping anything on the outside
> > network, like:
> >
> >     ping
> > 
> > If that works, your connection is fine. Try a 'host www.google.nl' or
> > something to check if DNS works.
> > 
> > If both of this works you really should have a connection. If the
> > ping fails, your connection/routing is wrong. If the hostname
> > resolution fails, there is something wrong with your DNS.

> I can ping outside my network, like the DNS server of my ISP. The 
> hostname resolutions indeed fails, so what's wrong with my DNS then?

Well, clearly, it's not working.

Check that you've got the right nameserver(s) listed in
/etc/resolv.conf.  If these are nonlocal, check that they're working.
Both the 'host' and 'dig' commands can reference specific nameservers.

Tools such as ethereal and iptraf will show the actual packet traffic on
your local network link, and may help further in diagnostics.

If your PPP connection is on a gateway box on your local network, you'll
also have to turn on IP Masquerading support in your kernel.  There's a
HOWTO which covers this clearly.


Karsten M. Self <kmself@ix.netcom.com>        http://kmself.home.netcom.com/
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