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My building provides internet access. But before you can use it, you need to browse to a website. From there you are redirected to the building's router which asks you for a user name and password, after that it allows one MAC on the network (coffee shop/airport style MAC filtering). This setup is a pain.

What I'm trying to do is set up an ubuntu based box, that will function as a NAT and bridge my own network with my three computers and my phone onto the buildings network using a single MAC address.

The bit I'm stuck on is how to get my NAT box to log in completely autonomously. This has stumped a few people. Any ideas?

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Note: this is called Captive portal –  Vi. Aug 13 '12 at 12:42

1 Answer 1

You can probably do something like this:

  1. Install HTTPFox (or other Firefox addon) to view what exactly is sent to the portal to authenticate;
  2. Construct "curl" (command-line HTTP client) command that does the same
  3. Schedule that curl command to be executed periodically or when connection requires authentication.
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