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? Thanx
> > > for the help.
> > 
> > My guess is that your ISP is not running the echo daemon.
> > I believe that you could not ping Infoseek for the same reason.
> > 
> > ISP's do this to prevent a denial of service attack in the event
> > of someone flooding one of their server services. 
> 
> Could you please explain a bit more about the echo daemon?

There isn't an `echo daemon'. Ping requests are handled by the kernel.

> Also to supply a bit more information......Let's say the name of the
> firewall is Super. What I did in Super's host table was to call the
> internal  ip
> address of Super, Superport1 and the external ip address Superport2 for
> entry in the ISP's domain table. Do you think this will affect anything?

Highly unlikely. DNS servers don't care about the DNS entries for the
host from which a query was sent.

-- 
Glynn Clements <[EMAIL PROTECTED]>
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