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The WiFi Guard Dog project is a complete and embeddable captive portal solution for wireless community groups or individuals who wish to open a free hotspot while still preventing abuse of their Internet connection.

More information and the old issue tracker can be found on Nowadays, development happens on GitHub.

WifiDog Gateway

WifiDog consists of two parts:

  • auth server
  • client daemon (the gateway)

This repository contains the client daemon. The client typically runs on embedded hardware, e.g. the hotspot itself. The client is responsible for redirecting the user to the auth server where they may authenticate themselves. Depending on the response of the auth server, the client lifts the access restrictions for the user. Client and server speak the WifiDog Protocol Version 1, with Version 2 being a draft which has not been implemented so far. A detailed description of the login process involving user, client and server is available as a flow diagram.


See the FAQ.


See README.developers.txt.


The project's software is released under the GPL license and is copyrighted by its respective owners. See COPYING for details.