Redirect all internet connections to one website?
Asked by
XOIIO (
18328
)
August 25th, 2011
I was wondering if there is some way, possibly a program, that once you connect to a LAN (wired or wireless) that you could redirect all web browsers to one web page. I think it would be neat to do so, and I would like to try it out on my own wifi network, but not actually use it unless I need to tell people to call the cops XD
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6 Answers
Yes, it’s a “man in the middle attack”, you can do almost anything. Replace websites, do phishing… or better yet just prank people and tell them to patch their holes :)
@phoebusg any other info, forum or programs and the lik?
I believe what you’re looking for is called a “captive portal”.
A captive portal forces all browsers on a given network to a particular Web page. For example, if you walked into a coffee shop and associated your laptop to their AP and then fired up your browser, you would be redirected to the coffee shop’s home page for example.
OpenWRT can do captive portals, as can WifiDog and the Untangle suite.
@koanhead Brilliant! I’m guessing when you say associate your laptop to the AP you just mean connect, right?
also, will they be able to leave the page after it loads up once, or can the program send them to that page once, maybe in a new tab and then let them move on?
@XOIIO Yes, when I talk about associating with the AP that’s part of the connection process (once you are associated you’ve got a physical link and a “link layer” link (an ARP table entry) and then you can get an IP address, etc. from there) and I should have probably just said “connection” and left it at that since obviously you can’t use a browser if you have no IP address yet.
You can configure your captive portal to allow visitors to leave or not, as you see fit.
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