Sherine wrote:
> > > > I'm having the strangest problem. I am able to ping everything else in my
> > > > ISP's LAN except their DNS from my firewall/proxy and hence users on my
> > > > LAN cannot go out on the INTERNET...ANYBODY know what is happening?
> > >
> > > Your ISP probably does, but there's no reason to believe that anyone
> > > else will.
> > >
> > > One possible reason is that their DNS server may have been configured
> > > not to respond to pings. If you wish to test whether you can use their
> > > DNS server, try using nslookup or dig. It only matters that it
> > > responds to DNS requests; whether it responds to a ping is irrelevant.
> >
> > So you are saying that's probably not the reason why the users can't
> > browse?
>
> Another thing that I've experimented with was that , I pinged the DNS from
> a windoze machine configured with an external ip address and I can browse
> from there.
> The reason why I think the inability to ping the DNS and hence have access
> to the DNS is the problem is because the error that appears on users'
> machines are that the URLs are unknown.
It definitely appears to be a DNS problem.
My main suspicion is firewall rules (you say that this machine is a
firewall). Does it work if you flush all of the firewall rules and set
the default policy to accept?
--
Glynn Clements <[EMAIL PROTECTED]>
-
To unsubscribe from this list: send the line "unsubscribe linux-net" in
the body of a message to [EMAIL PROTECTED]
