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On Mon, 4 Sep 2000, Bob Williams wrote:
> Thanks Lisa,
>
> I think it was your posts I was thinking of...
>
This is another thing which I've been wondering about as well, but not for
web serving. Now that I've gotten a working copy of lsh (so so much
easier to install than OpenSSH, but SSH2 only) which should be installed
at my shop within the week, I may probably be able to perform remote
administration much more easily, *if* I can find a way to get its IP
address easily.
> I checked out using ICQ a long time ago and didn't like it because you
> often have to go to a server somewhere far away even if the link your
> trying to establish is local to your ISP...
>
I'm wondering how this is done, actually. A few minutes wait is not such
a hard thing, I guess. It's a solution I never thought about.
> OTOH, posting the address to a web site has the disadvantages of being a
> bit more public then you may want ) and if you lose the link before
> tearing down that page it leaves the wrong address posted until you change
> it.
>
Well, if you post it on a website, well, it is public, but that can easily
be remedied with an ASCII-armoring encryption program, which I am
developing right now, actually... Whenever your server reconnects to your
ISP, you could let it always update the page. If you're not connected, or
if connection is lost at some point, you're screwed anyway and the page
will have the wrong address. The only problem is if you unexpectedly lose
the link; you may wind up waiting for a connection that won't work.
Another idea I thought up was to send a UDP broadcast on your ISP's subnet
and watching who answers. Set a daemon up on your server to respond to
such broadcast packets. Granted, a lot of people aren't going to like it
(ISP included), but it solves the problem very neatly. I don't think it
would be too hard to write such a program (another project for the week!),
but the disadvantage is it's going to be trouble if you live behind a
firewall or your ISP filters certain types of traffic.
- --
Rafael R. Sevilla <[EMAIL PROTECTED]> +63 (2) 4342217
ICSM-F Development Team, UP Diliman +63 (917) 4458925
PGP Key available at http://home.pacific.net.ph/~dido/dido.pgp
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