howto use curl to get Internet IP

Jim mickeyboa at sbcglobal.net
Sat Jun 7 00:41:36 UTC 2008


Patrick O'Callaghan wrote:
> 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
>
>   

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.


That exactly what I got but they don't like you checking for your Internet IP every hour or so it's
tying up their server.




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