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chilli(8) System Manager's Manual chilli(8) NAME chilli - A Software Access Controller for Captive Portal and WPA SYNOPSIS chilli --help chilli --version chilli [ configuration options ] chilli -fd [ configuration options ] # for debugging in foreground DESCRIPTION chilli is a software access controller typically used in Wireless LAN HotSpot. It supports of two different access methods for a Wireless LAN HotSpot: Universal Access Method (UAM) as well as Wireless Protected Access (WPA). This version of chilli is called CoovaChilli, a fork of the original ChilliSpot. See http://coova.org/ for more information. chilli has three major interfaces: A downlink interface for accepting con- nections from clients, a radius interface for authenticating clients and an uplink network interface for forwarding traffic to other networks. Authentication of clients is performed by an external radius server. For UAM the CHAP-Challenge and CHAP-Password as specified by RFC 2865 is used. For WPA the radius EAP-Message attribute as defined in RFC 2869 is used. The message attributes described in RFC 2548 are used for transferring en- cryption keys from the radius server to chilli. Furthermore the radius in- terface supports accounting. The downlink interface accepts DHCP and ARP requests from clients. The client can be in two states: Unauthenticated and authenticated. In unau- thenticated state, web requests from the client are redirected to an au- thentication web server - the captive portal. In a typical application unauthenticated clients will be forwarded to a web server and prompted for username and password. The web server forwards the user credentials to chilli by means of web browser redirects. On the chilli side, authentication requests are forwarded to a radius server. If authen- tication is successful the state of the client is changed to authenticated. This authentication method is known as Universal Access Method (UAM). As an alternative to UAM, the access points can be configured to authenti- cate the clients by using Wireless Protected Access (WPA). In this case, authentication credentials are forwarded from the WPA access point to chilli by using the radius protocol. The received radius request is proxied by chilli and forwarded to the radius server. The uplink interface is implemented by using the TUN/TAP driver. When chilli is started, a tun interface is established and an optional external configuration script is called. Runtime errors are reported using the syslogd (8) facility. OPTIONS Configuration parameters set on the command line always take precedent over anything configured in a file. See chilli.conf(5) for a complete list of possible configurations. Here are just a few common command line options: --help Print help and exit. --version Print version and exit. --fg Run in foreground (default = off) --debug Run in debug mode (default = off) --conf file Configuration file to use instead of the default below. See chilli.conf(5) for more inforamtion. --pidfile file File to put the process ID instead of the default below. --cmdsock file UNIX socket file for inter-process communication instead of default below. --statedir path Directory of nonvolatile data instead of default below. FILES /usr/local/etc/chilli.conf The main chilli configuration file. /usr/local/etc/chilli/defaults Default configurations used by the chilli init.d and functions scripts. /usr/local/etc/chilli/config Location specific configurations used by chilli init.d and functions scripts. Copy the defaults file mentioned above and edit. /usr/local/etc/chilli/functions Helps configure chilli by loading the above configurations, sets some defaults, and provides functions for writing main.conf, hs.conf, and local.conf based on local and possibily centralized. See chilli.conf(5) /usr/local/etc/init.d/chilli The init.d file for chilli which defaults to using the above config- urations to build a set of configurations files in the /usr/lo- cal/etc/chilli directory - taking local configurations and option- ally centralized configurations from RADIUS or a URL. See chilli.conf(5) /var/run/chilli.sock UNIX socket used to daemon communication. See chilli_query(1) /var/run/chilli.pid Process ID file. /usr/local/etc/chilli/www/ The typical directory for embedded web content served up by chilli using a minimal web server. A convenient place for the splash page, embedded captive portal, and JSON javascript resources. SIGNALS Sending HUP to chilli will cause the configuration file to be reread and DNS lookups to be performed. The configuration options are not affected by sending HUP: fg , conf , pidfile , statedir , net , dynip , statip , uam- listen , uamport , radiuslisten , coaport , coanoipcheck , proxylisten , proxyport , proxyclient , proxysecret , dhcpif , dhcpmac , lease , or eapolenable The above configuration options can only be changed by restarting the dae- mon. SEE ALSO chilli.conf(5) chilli-radius(5) chilli_query(1) chilli_radconfig(1) chilli_response(1) syslogd(8) NOTES See http://coova.org/ for further documentation and community support. The original ChilliSpot project homepage is/was at www.chillispot.org. Besides the long options documented in this man page chilli also accepts a number of short options with the same functionality. Use chilli --help for a full list of all the available options. The TUN/TAP driver is required for proper operation of the chilli server. Linux kernels later than 2.4.7 already include the driver, but typically needs to be loaded manually with modprobe tun or automaticly by adding alias char-major-10-200 tun to the /etc/modules.conf configuration file. For other platforms see http://vtun.sourceforge.net/tun/ for information on how to install and configure the TUN/TAP driver. AUTHORS CoovaChilli and ChilliSpot are licensed under the Gnu Public License. Copyright (C) 2002-2005 by Mondru AB., 2006-2007 David Bird <david@coova.com>, All rights reserved. August 2007 chilli(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SIGNALS | SEE ALSO | NOTES | AUTHORS
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