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setting_up_a_captive_portal_from_scratch_using_debian

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setting_up_a_captive_portal_from_scratch_using_debian [2018/12/06 20:13] – abeverleysetting_up_a_captive_portal_from_scratch_using_debian [2018/12/06 20:15] – abeverley
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   * Create file /etc/ppp/peers/isp0 with the following contents:   * Create file /etc/ppp/peers/isp0 with the following contents:
- 
-<html><code></html> 
  
 <code> <code>
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 0.0.38 0.0.38
 </code> </code>
-<html></code></html>+
  
 Replace username as appropriate Replace username as appropriate
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   * Install PPP using the command   * Install PPP using the command
- 
-<html><code></html> 
  
 <code> <code>
 apt-get install ppp apt-get install ppp
 </code> </code>
-<html></code></html>+
  
 Create file /etc/ppp/chap-secrets with the following contents: Create file /etc/ppp/chap-secrets with the following contents:
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 Create file /etc/ppp/peers/isp0 with the following contents: Create file /etc/ppp/peers/isp0 with the following contents:
- 
-<html><code></html> 
  
 <code> <code>
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 0.38 0.38
 </code> </code>
-<html></code></html>+
  
 Replace username as appropriate Replace username as appropriate
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 A number of additional packages are needed and can be installed using apt. Because the installation was initially done from a CD, no network repositories will be available, so it is best to set one up using the netselect command. However, netselect is not currently installed and is not on the CD! So, setup a temporary network repository first: A number of additional packages are needed and can be installed using apt. Because the installation was initially done from a CD, no network repositories will be available, so it is best to set one up using the netselect command. However, netselect is not currently installed and is not on the CD! So, setup a temporary network repository first:
- 
-<html><code></html> 
  
 <code> <code>
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 apt-get update apt-get update
 </code> </code>
-<html></code></html>+
  
 Then install netselect-apt: Then install netselect-apt:
- 
-<html><code></html> 
  
 <code> <code>
 apt-get install netselect-apt apt-get install netselect-apt
 </code> </code>
-<html></code></html>+
  
 And finally use netselect to setup the best repositories: And finally use netselect to setup the best repositories:
- 
-<html><code></html> 
  
 <code> <code>
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 apt-get update apt-get update
 </code> </code>
-<html></code></html>+
  
   * Now install additional packages using the command:   * Now install additional packages using the command:
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   * Edit /etc/network/interfaces   * Edit /etc/network/interfaces
   * Ensure the eth0 entry looks as follows:   * Ensure the eth0 entry looks as follows:
- 
-<html><code></html> 
  
 <code> <code>
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 netmask 255.255.0.0 netmask 255.255.0.0
 </code> </code>
-<html></code></html>+
  
   * If required set up a second ethernet interface. This can be used to provide internet access for a separate independent network if required. Add the following code to /etc/network/interface:   * If required set up a second ethernet interface. This can be used to provide internet access for a separate independent network if required. Add the following code to /etc/network/interface:
- 
-<html><code></html> 
  
 <code> <code>
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 netmask 255.255.255.0 netmask 255.255.255.0
 </code> </code>
-<html></code></html>+
  
   * Restart networking:   * Restart networking:
- 
-<html><code></html> 
  
 <code> <code>
 /etc/init.d/networking restart /etc/init.d/networking restart
 </code> </code>
-<html></code></html>+
  
 ===== Update config files ===== ===== Update config files =====
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   * Set up web server for captive portal (apache). The following instructions download all the files from this website. They can be edited as required, or alternatively full instructions for this method of setting up a captive portal are detailed elsewhere on this site.   * Set up web server for captive portal (apache). The following instructions download all the files from this website. They can be edited as required, or alternatively full instructions for this method of setting up a captive portal are detailed elsewhere on this site.
- 
-<html><code></html> 
  
 <code> <code>
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 rm portalshaper-www.tar.gz rm portalshaper-www.tar.gz
 </code> </code>
-<html></code></html>+
  
   - Edit settings.php and set all variables at beginning of the file as required, including the passwords   - Edit settings.php and set all variables at beginning of the file as required, including the passwords
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   * Configure URL redirect for captive portal by enabling mod_rewrite:   * Configure URL redirect for captive portal by enabling mod_rewrite:
- 
-<html><code></html> 
  
 <code> <code>
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 ln -s ../mods-available/rewrite.load ln -s ../mods-available/rewrite.load
 </code> </code>
-<html></code></html> 
  
-  * Edit /etc/apache2/sites-enabled/000-default and add rewrite rules after ServerAdmin (be sure to edit server name qualso and add any other webserver names): 
  
-<html><code></html>+  * Edit /etc/apache2/sites-enabled/000-default and add rewrite rules after ServerAdmin (be sure to edit server name qualso and add any other webserver names):
  
 <code> <code>
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 RewriteRule . http://qualso.wardroom/index.php/%{HTTP_HOST}%{REQUEST_URI}?%{QUERY_STRING} [L,R] RewriteRule . http://qualso.wardroom/index.php/%{HTTP_HOST}%{REQUEST_URI}?%{QUERY_STRING} [L,R]
 </code> </code>
-<html></code></html>+
  
   * Restart Apache: ''%%apache2ctl%%'' ''%%restart%%''   * Restart Apache: ''%%apache2ctl%%'' ''%%restart%%''
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   * Edit /etc/bind/named.conf.local   * Edit /etc/bind/named.conf.local
   * Add the following after the "localhost" domain:   * Add the following after the "localhost" domain:
- 
-<html><code></html> 
  
 <code> <code>
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 }; };
 </code> </code>
-<html></code></html>+
  
   * Go to /etc/bind   * Go to /etc/bind
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   * Edit db.wardroom   * Edit db.wardroom
   * Add required hostnames at the end of the file. These entries setup 3 different names for the main server (spaces should be tabs, and make sure that you increase the serial number). qualso is the name you gave your server earlier, earth is the name of the server as assumed by the web server and the captive portal web scripts.   * Add required hostnames at the end of the file. These entries setup 3 different names for the main server (spaces should be tabs, and make sure that you increase the serial number). qualso is the name you gave your server earlier, earth is the name of the server as assumed by the web server and the captive portal web scripts.
- 
-<html><code></html> 
  
 <code> <code>
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 mail        A      10.0.0.1 mail        A      10.0.0.1
 </code> </code>
-<html></code></html>+
  
   * Reload BIND with ''%%/etc/init.d/bind9%%'' ''%%reload%%''   * Reload BIND with ''%%/etc/init.d/bind9%%'' ''%%reload%%''
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   - Add ''%%allow%%'' ''%%booting;%%'' and ''%%allow%%'' ''%%bootp;%%'' after the above lines (only if using network boot clients - see later)   - Add ''%%allow%%'' ''%%booting;%%'' and ''%%allow%%'' ''%%bootp;%%'' after the above lines (only if using network boot clients - see later)
   - Add the following at the end of the file:   - Add the following at the end of the file:
- 
-<html><code></html> 
  
 <code> <code>
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 } }
 </code> </code>
-<html></code></html>+
  
 The last 3 lines are only for network booting of clients. On a separate page (see link later) it is shown how to set up some network booting deskstations that will boot a network live copy of Ubunutu. The last 3 lines are only for network booting of clients. On a separate page (see link later) it is shown how to set up some network booting deskstations that will boot a network live copy of Ubunutu.
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 /etc/init.d/isc-dhcp-server restart /etc/init.d/isc-dhcp-server restart
 </code> </code>
-<html></code></html>+
  
 ===== Install IPSet ===== ===== Install IPSet =====
  
 IPSet is a program that allows sets of IP addresses to be stored within iptables rules. It is used to collate a list of clients using P2P software. IPSet consists of both a kernel module and a userspace program. The module is not yet in the kernel provided with Debian. The following will install both the userspace program and the kernel module. IPSet is a program that allows sets of IP addresses to be stored within iptables rules. It is used to collate a list of clients using P2P software. IPSet consists of both a kernel module and a userspace program. The module is not yet in the kernel provided with Debian. The following will install both the userspace program and the kernel module.
- 
-<html><code></html> 
  
 <code> <code>
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 module-assistant auto-install ipset-source module-assistant auto-install ipset-source
 </code> </code>
-<html></code></html>+
  
 ===== Install specialist internet scripts ===== ===== Install specialist internet scripts =====
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   * This program removes cached tracks from the tracking table for a particular client. When a client is registered or unregistered from the network, this makes sure the correct web pages are presented on browsing the internet, otherwise any redirects are not properly flushed.   * This program removes cached tracks from the tracking table for a particular client. When a client is registered or unregistered from the network, this makes sure the correct web pages are presented on browsing the internet, otherwise any redirects are not properly flushed.
  
-<html><code></html> 
  
 <code> <code>
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 chmod +x rmtrack chmod +x rmtrack
 </code> </code>
-<html></code></html> 
  
-  * The following checks that the PPP link is up and reconnects if it is not 
  
-<html><code></html>+  * The following checks that the PPP link is up and reconnects if it is not
  
 <code> <code>
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 insserv test-ppp.init insserv test-ppp.init
 </code> </code>
-<html></code></html>+
  
   * The next 3 show the current internet bandwidth use in classes   * The next 3 show the current internet bandwidth use in classes
- 
-<html><code></html> 
  
 <code> <code>
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 chmod +x tc-viewer chmod +x tc-viewer
 </code> </code>
-<html></code></html> 
  
-  * And finally the firewall which sets up all the required iptables rules including the captive portal and shaping. This downloads the scripts and forces them to run when the network is brought up. 
  
-<html><code></html>+  * And finally the firewall which sets up all the required iptables rules including the captive portal and shaping. This downloads the scripts and forces them to run when the network is brought up.
  
 <code> <code>
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 rm portalshaper-sh.tar.gz rm portalshaper-sh.tar.gz
 </code> </code>
-<html></code></html>+
  
   * Edit ''%%/usr/local/portal/settings%%'' as required   * Edit ''%%/usr/local/portal/settings%%'' as required
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   * Edit /etc/network/interfaces adding the following:   * Edit /etc/network/interfaces adding the following:
- 
-<html><code></html> 
  
 <code> <code>
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         post-up /usr/local/portalshaper/master         post-up /usr/local/portalshaper/master
 </code> </code>
-<html></code></html> 
  
-  * If using a second interface add it as well: 
  
-<html><code></html>+  * If using a second interface add it as well:
  
 <code> <code>
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         post-up /usr/local/portalshaper/master         post-up /usr/local/portalshaper/master
 </code> </code>
-<html></code></html>+
  
   * Add pre-connection helper script (will need editing if using a speedtouch modem):   * Add pre-connection helper script (will need editing if using a speedtouch modem):
  
-<html><code></html>+
  
 <code> <code>
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 chmod +x solos-preload chmod +x solos-preload
 </code> </code>
-<html></code></html>+
  
   * Disconnect the current connection:   * Disconnect the current connection:
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   * Run ''%%visudo%%'' and add the following lines. Sudo is used to allow the apache web server to add and remove the needed iptables rules each time a user signs up to access the internet, as well as update the Squid session helper when displaying announcement pages   * Run ''%%visudo%%'' and add the following lines. Sudo is used to allow the apache web server to add and remove the needed iptables rules each time a user signs up to access the internet, as well as update the Squid session helper when displaying announcement pages
  
-<html><code></html> 
  
 <code> <code>
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 www-data ALL = (proxy) NOPASSWD: /usr/lib/squid3/ext_session_acl www-data ALL = (proxy) NOPASSWD: /usr/lib/squid3/ext_session_acl
 </code> </code>
-<html></code></html>+
  
 Note: sudo does not use regular expressions, so the last statement is not as accurate as it should be Note: sudo does not use regular expressions, so the last statement is not as accurate as it should be
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 ===== Configure Squid ===== ===== Configure Squid =====
  
-|<HTML>\\ <center>\\ </HTML>\\ <html><strong></html>Squid is configured to show splash page announcements and mark packets for traffic shaping. Both of these require recent patches which are only contained in the latest beta version of Squid. Therefore, a very recent version of Squid will need to be compiled and installed over the standard Debian build<html></strong></html>\\ \\ <HTML>\\ </center>\\ </HTML>|+|\\ <html><strong></html>Squid is configured to show splash page announcements and mark packets for traffic shaping. Both of these require recent patches which are only contained in the latest beta version of Squid. Therefore, a very recent version of Squid will need to be compiled and installed over the standard Debian build\\ \\ >|
  
 The web proxy is used to speed up requests, as well as log all requests and show a splash page periodically. The web proxy is used to speed up requests, as well as log all requests and show a splash page periodically.
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   * Add the following to the beginning of the file:   * Add the following to the beginning of the file:
  
-<html><code></html> 
  
 <code> <code>
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 qos_flows mark miss=0x1000000/0xF000000 qos_flows mark miss=0x1000000/0xF000000
 </code> </code>
-<html></code></html>+
  
   * Change "http_port 3128" to "http_port 3128 transparent"   * Change "http_port 3128" to "http_port 3128 transparent"
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   * Locate the section "INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS" and add the following rules (replacing qualso as required):   * Locate the section "INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS" and add the following rules (replacing qualso as required):
  
-<html><code></html> 
  
 <code> <code>
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 http_access allow our_networks http_access allow our_networks
 </code> </code>
-<html></code></html>+
  
   * Create a session database. This is used to display the splash pages periodically. The associated /var/www/announce_days.txt file should be created when the web files are installed.   * Create a session database. This is used to display the splash pages periodically. The associated /var/www/announce_days.txt file should be created when the web files are installed.
- 
-<html><code></html> 
  
 <code> <code>
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 chown proxy:proxy /var/lib/squid/session/ chown proxy:proxy /var/lib/squid/session/
 </code> </code>
-<html></code></html>+
  
   * Install the date/time external ACL helper:   * Install the date/time external ACL helper:
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   * Create a file /etc/postfix/relay_passwd with the following contents, replacing values as required:   * Create a file /etc/postfix/relay_passwd with the following contents, replacing values as required:
  
-<html><code></html> 
  
 <code> <code>
 isp.server.name USERNAME:PASSWORD isp.server.name USERNAME:PASSWORD
 </code> </code>
-<html></code></html>+
  
   * Change the permissions on the file:   * Change the permissions on the file:
  
-<html><code></html>+
  
 <code> <code>
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 chmod 600 /etc/postfix/relay_passwd   chmod 600 /etc/postfix/relay_passwd  
 </code> </code>
-<html></code></html>+
  
   * Setup the files hash:   * Setup the files hash:
  
-<html><code></html> 
  
 <code> <code>
 postmap /etc/postfix/relay_passwd postmap /etc/postfix/relay_passwd
 </code> </code>
-<html></code></html>+
  
   * Edit /etc/postfix/main.cf and add the following lines below the relayhost option:   * Edit /etc/postfix/main.cf and add the following lines below the relayhost option:
  
-<html><code></html> 
  
 <code> <code>
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 smtp_sasl_security_options = smtp_sasl_security_options =
 </code> </code>
-<html></code></html>+
  
   * Edit /etc/mailname and set a valid FQDN (eg. qualso.simplelists.com). This will be the default mail domain for mail sent from the server.   * Edit /etc/mailname and set a valid FQDN (eg. qualso.simplelists.com). This will be the default mail domain for mail sent from the server.
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   * Add a linux local user to the system with appropriate password. Users will use this account to authenticate against the SMTP server:   * Add a linux local user to the system with appropriate password. Users will use this account to authenticate against the SMTP server:
- 
-<html><code></html> 
  
 <code> <code>
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 passwd mailuser passwd mailuser
 </code> </code>
-<html></code></html>+
  
   * After adding the user edit /etc/passwd and add ''%%/bin/false%%'' on the end of the line for the new user. This will stop people logging into the server using that username and password!   * After adding the user edit /etc/passwd and add ''%%/bin/false%%'' on the end of the line for the new user. This will stop people logging into the server using that username and password!
setting_up_a_captive_portal_from_scratch_using_debian.txt · Last modified: 2018/12/06 20:16 by abeverley