Re: How to tell IP address of remote machine?

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Tim:
>> Perhaps it's overloaded?  I just tried it, and it took ages responding.
>> The other site, responded near instantly.

Timothy Murphy:
> Thanks very much for your response,
> which I shall study carefully.

You're welcome.

> The waiting-time I mentioned was to get a response on my local machine
> when running firefox on the remote machine.
> I actually get much the same delay when accessing any site like that,
> eg when accessing the remote ADSL modem at 192.168.1.1
> from the remote machine.
> I always assumed that it was simply due to the amount of data
> passed by firefox to my local machine.

Yes, that will add a delay, in itself (though not as much as the
slowness of that particular site).  Even doing that over a LAN, with a
100 mbit rate, is slower than running the browser directly on the
machine you're sitting at.

>> Do you have your own webspace, somewhere external from your LAN?  Does
>> it run Apache, or some other webserver where you can run commands, and
>> have the instructions for doing so?  You could run your own script to do
>> the same thing (tell you your IP address).  (See the end of this message
>> for examples.)

> I'm not quite sure what you mean.

Rather than querying some third-party service, which might be slow to
respond, might be shut down, might send you more data than you want to
parse, etc., you'd set up a page on server that just did what you want,
somewhere.  You're asking it to tell you what's your IP that you're
browsing from.

Of course, if it's the IP address of that server that you want to know,
that's easy to do, as well (or instead).  That's just a DNS query.  It'd
update some dynamic service with it's current IP address for its
hostname, and you'd query a DNS server for the current IP for its
hostname.

> But the problem I have at the moment is that I get 3 different IP addresses
> by 3 methods that have been suggested, and I am not sure which is correct:

Have you told us the actual named address you're trying to resolve?  We
might be able to work why you're getting different answers, and how to
tell which is the one you'll want.

-- 
[tim@localhost ~]$ uname -r
2.6.27.25-78.2.56.fc9.i686

Don't send private replies to my address, the mailbox is ignored.  I
read messages from the public lists.

Grrr, but I hate that sodding gmane usenet portal, it sends back to the
mailing list with an overriding instruction to post usenet replies to
itself, rather than e-mail replies the fedora mailing list that it's
ripping mail from.  I have to manually delete the post-to address and
fill in the to adddress, to every message I reply to that came through
it.



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