Re: guaranteed pingable ip address?

From: Michael C. (mcsuper5_at_usol.com)
Date: 11/04/03 

Date: 4 Nov 2003 18:03:17 GMT

On Tue, 4 Nov 2003 17:01:21 +0000 (UTC),
David Efflandt <efflandt@xnet.com> wrote:
> On Tue, 04 Nov 2003 01:23:49 GMT, V. Turner <renrutv@yahoo.com> wrote:
> > Does anyone know of an IP address out there that is always guaranteed to
> > allow pings? I've always just used 216.239.53.101 which is one of google's
> > servers. Unfortunately, it appears recently they have disallowed pings on
> > their machines, presumably for security reasons. I use pings as a
> > fundamental way to test my connectivity to the internet as well as a way of
> > bypassing DNS if that is having a problem.
> >
> > I was recently unable to ping the 216.239.53.101 and so assumed I had a
> > connectivity problem. Turns out my connectivity was fine, just that they
> > were disallowed. It seems to me that if ever wrote a diagnostic script and
> > hard-coded an IP address, it would be nice to not have to worry about the
> > IP address being non-pingable in the future. I'm thinking along the lines
> > of the newsgroup alt.test which is reserved for one purpose, namely posting
> > test messages.
>
> Set a flag (something in a file) from /etc/ppp/ip-up and ip-down to
> indicate whether your earthlink is connected or not. I used to set my
> local ppp IP in a file when connected (from ip-up) and a zero if not
> (ip-down). Then I could could assume I was connected (and know my IP) if
> the contents of that file was not zero. Works even for demand pppd
> without triggering a connection like ping would.

Wouldn't `ifconfig ppp0` work just as well?

Michael C. 

-- 
mcsuper5@usol.com http://mcsuper5.freeshell.org/
Registered Linux User #303915 http://counter.li.org/

Relevant Pages

  • Re: guaranteed pingable ip address?
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  • Re: guaranteed pingable ip address?
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    (comp.os.linux.networking)
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    (comp.os.linux.networking)
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