[GRLUG] live USB web server

[Dave Chiodo]

1. Yes, it can hit something like whatismyip.com to get its IP, and
then communicate that any way it wants.

2. Generally, not unless the webserver initiates the connection, but
if the router supports UPNP, *maybe*.

On Wed, Mar 27, 2013 at 11:08 PM, Eric Beversluis
<ebever at researchintegration.org> wrote:
> If I'm running apache on my laptop and have dynamic DNS service, can I
> function as a website from a NATted LAN without having access to the
> LAN's router to set up port forwarding--eg, in a public hotspot?
>
> A browser can have two-way communication from a NATted position. But as
> I understand it, that's because the browser initiates the contact and
> the router can recognize replies to that initiated contact.
>
> This seems to break down to two questions:
> 1. Can my computer on the "foreign" LAN communicate the LAN's public IP
> address to the dynamic DNS service? I'm guessing that I could manually
> let the dynamic DNS know, once I use something like "WhatismyIP.com."
>
> 2. If that's done, is there a way that someone who thereby knows my
> domain's temporary public IP address can get beyond the router to my web
> server?
>
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