howto use curl to get Internet IP

[Patrick O'Callaghan]

On Fri, 2008-06-06 at 18:02 -0400, max wrote:
> > What approach would you suggest that is better to use ?
> > I have a DSL AP 2Wire783 in front of my  computer that does not have
> the 
> > capability of giving me the Internet IP.
> > 
> > 
> You sure about that? I'll admit I have only used about 4 or 5
> different 
> dsl modems but all of them could be put in bridging mode.

I presume he uses NAT because he wants to, e.g. because he has more than
one machine and his ISP only issues a single IP, or for security.

OTOH it's likely that there is a way to scrape the modem's web control
page for the IP number without having to ping external addresses. Might
be a bit messy though.

Actually the cleanest solution is probably just to use a service such as
dyndns and register a domain name (the basic service is free), then just
look it up when you need to. It means installing ddclient, but it's in
the Fedora repos.

poc