5bd5eb54d1
Some of the Ubuntu package names have changed for PHP. Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
251 lines
7 KiB
Text
251 lines
7 KiB
Text
Hotspot 2.0 OSU server
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======================
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The information in this document is based on the assumption that Ubuntu
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16.04 server (64-bit) distribution is used and the web server is
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Apache2. Neither of these are requirements for the installation, but if
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other combinations are used, the package names and configuration
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parameters may need to be adjusted.
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NOTE: This implementation and the example configuration here is meant
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only for testing purposes in a lab environment. This design is not
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secure to be installed in a publicly available Internet server without
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considerable amount of modification and review for security issues.
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Build dependencies
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------------------
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Ubuntu 16.04 server
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- default installation
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- upgraded to latest package versions
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sudo apt-get update
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sudo apt-get upgrade
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Packages needed for running the service:
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sudo apt-get install sqlite3
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sudo apt-get install apache2
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sudo apt-get install php-sqlite3 php-xml libapache2-mod-php
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Additional packages needed for building the components:
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sudo apt-get install build-essential
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sudo apt-get install libsqlite3-dev
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sudo apt-get install libssl-dev
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sudo apt-get install libxml2-dev
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Installation location
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---------------------
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Select a location for the installation root directory. The example here
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assumes /home/user/hs20-server to be used, but this can be changed by
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editing couple of files as indicated below.
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sudo mkdir -p /home/user/hs20-server
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sudo chown $USER /home/user/hs20-server
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mkdir -p /home/user/hs20-server/spp
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mkdir -p /home/user/hs20-server/AS
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Build
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-----
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# hostapd as RADIUS server
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cd hostapd
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#example build configuration
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cat > .config <<EOF
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CONFIG_DRIVER_NONE=y
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CONFIG_PKCS12=y
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CONFIG_RADIUS_SERVER=y
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CONFIG_EAP=y
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CONFIG_EAP_TLS=y
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CONFIG_EAP_MSCHAPV2=y
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CONFIG_EAP_PEAP=y
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CONFIG_EAP_GTC=y
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CONFIG_EAP_TTLS=y
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CONFIG_EAP_SIM=y
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CONFIG_EAP_AKA=y
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CONFIG_EAP_AKA_PRIME=y
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CONFIG_SQLITE=y
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CONFIG_HS20=y
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EOF
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make hostapd hlr_auc_gw
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cp hostapd hlr_auc_gw /home/user/hs20-server/AS
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# build hs20_spp_server
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cd ../hs20/server
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make clean
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make
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cp hs20_spp_server /home/user/hs20-server/spp
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# prepare database (web server user/group needs to have write access)
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mkdir -p /home/user/hs20-server/AS/DB
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sudo chgrp www-data /home/user/hs20-server/AS/DB
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sudo chmod g+w /home/user/hs20-server/AS/DB
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sqlite3 /home/user/hs20-server/AS/DB/eap_user.db < sql.txt
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sudo chgrp www-data /home/user/hs20-server/AS/DB/eap_user.db
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sudo chmod g+w /home/user/hs20-server/AS/DB/eap_user.db
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# add example configuration (note: need to update URLs to match the system)
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sqlite3 /home/user/hs20-server/AS/DB/eap_user.db < sql-example.txt
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# copy PHP scripts
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# Modify config.php if different installation directory is used.
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# Modify PHP scripts to get the desired behavior for user interaction (or use
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# the examples as-is for initial testing).
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cp -r www /home/user/hs20-server
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# Build local keys and certs
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cd ca
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# Display help options.
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./setup.sh -h
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# Remove old keys, fill in appropriate values, and generate your keys.
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# For instance:
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./clean.sh
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rm -fr rootCA"
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old_hostname=myserver.local
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./setup.sh -C "Hotspot 2.0 Trust Root CA - CT" \
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-o $old_hostname-osu-client \
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-O $old_hostname-oscp -p lanforge -S $old_hostname \
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-V $old_hostname-osu-revoked \
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-m local -u http://$old_hostname:8888/
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# Configure subscription policies
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mkdir -p /home/user/hs20-server/spp/policy
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cat > /home/user/hs20-server/spp/policy/default.xml <<EOF
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<Policy>
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<PolicyUpdate>
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<UpdateInterval>30</UpdateInterval>
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<UpdateMethod>ClientInitiated</UpdateMethod>
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<Restriction>Unrestricted</Restriction>
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<URI>https://policy-server.osu.example.com/hs20/spp.php</URI>
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</PolicyUpdate>
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</Policy>
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EOF
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# Install Hotspot 2.0 SPP and OMA DM XML schema/DTD files
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# XML schema for SPP
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# Copy the latest XML schema into /home/user/hs20-server/spp/spp.xsd
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# OMA DM Device Description Framework DTD
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# Copy into /home/user/hs20-server/spp/dm_ddf-v1_2.dtd
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# http://www.openmobilealliance.org/tech/DTD/dm_ddf-v1_2.dtd
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# Configure RADIUS authentication service
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# Note: Change the URL to match the setup
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# Note: Install AAA server key/certificate and root CA in Key directory
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cat > /home/user/hs20-server/AS/as-sql.conf <<EOF
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driver=none
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radius_server_clients=as.radius_clients
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eap_server=1
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eap_user_file=sqlite:DB/eap_user.db
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ca_cert=Key/ca.pem
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server_cert=Key/server.pem
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private_key=Key/server.key
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private_key_passwd=passphrase
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eap_sim_db=unix:/tmp/hlr_auc_gw.sock db=eap_sim.db
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subscr_remediation_url=https://subscription-server.osu.example.com/hs20/spp.php
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EOF
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# Set RADIUS passphrase for the APs
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# Note: Modify to match the setup
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cat > /home/user/hs20-server/AS/as.radius_clients <<EOF
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0.0.0.0/0 radius
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EOF
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Start RADIUS authentication server
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----------------------------------
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cd /home/user/hs20-server/AS
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./hostapd -B as-sql.conf
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OSEN RADIUS server configuration notes
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The OSEN RADIUS server config file should have the 'ocsp_stapling_response'
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configuration in it. For example:
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# hostapd-radius config for the radius used by the OSEN AP
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interface=eth0#0
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driver=none
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logger_syslog=-1
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logger_syslog_level=2
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logger_stdout=-1
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logger_stdout_level=2
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ctrl_interface=/var/run/hostapd
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ctrl_interface_group=0
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eap_server=1
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eap_user_file=/home/user/hs20-server/AS/hostapd-osen.eap_user
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server_id=ben-ota-2-osen
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radius_server_auth_port=1811
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radius_server_clients=/home/user/hs20-server/AS/hostap.radius_clients
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ca_cert=/home/user/hs20-server/ca/ca.pem
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server_cert=/home/user/hs20-server/ca/server.pem
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private_key=/home/user/hs20-server/ca/server.key
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private_key_passwd=whatever
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ocsp_stapling_response=/home/user/hs20-server/ca/ocsp-server-cache.der
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The /home/user/hs20-server/AS/hostapd-osen.eap_user file should look
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similar to this, and should coorelate with the osu_nai entry in
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the non-OSEN VAP config file. For instance:
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# cat hostapd-osen.eap_user
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# For OSEN authentication (Hotspot 2.0 Release 2)
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"osen@w1.fi" WFA-UNAUTH-TLS
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# Run OCSP server:
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cd /home/user/hs20-server/ca
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./ocsp-responder.sh&
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# Update cache (This should be run periodically)
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./ocsp-update-cache.sh
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Configure web server
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--------------------
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Edit /etc/apache2/sites-available/default-ssl
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Add following block just before "SSL Engine Switch" line":
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Alias /hs20/ "/home/user/hs20-server/www/"
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<Directory "/home/user/hs20-server/www/">
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Options Indexes MultiViews FollowSymLinks
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AllowOverride None
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Require all granted
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</Directory>
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Update SSL configuration to use the OSU server certificate/key.
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They keys and certs are called 'server.key' and 'server.pem' from
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ca/setup.sh.
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Enable default-ssl site and restart Apache2:
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sudo a2ensite default-ssl
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sudo a2enmod ssl
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sudo service apache2 restart
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Management UI
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-------------
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The sample PHP scripts include a management UI for testing
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purposes. That is available at https://<server>/hs20/users.php
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AP configuration
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----------------
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APs can now be configured to use the OSU server as the RADIUS
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authentication server. In addition, the OSU Provider List ANQP element
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should be configured to use the SPP (SOAP+XML) option and with the
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following Server URL:
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https://<server>/hs20/spp.php/signup?realm=example.com
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