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=====IPCop=====

====Set Blue Interface====

The Blue interface is used for Guest access to the Internet typically through a wireless access point.  There are some configuration details that need to be attended to.

You must have three working NICs installed in your IPCop box.

Documentation here:

[[http://www.ipcop.org/docs.php]]

===Assign Blue interface to a NIC===

Login to IPCop SSH as root.

"# setup"
   
   * Networking
   * Network configuration type

Choose Green, Blue, Red

  * Drivers and card assignments

Choose OK to change and assign the free NIC to Blue.

  * Address Settings
  * Blue Interface

=== Assign the IP address and subnet===

This will be the gateway and subnet for the guest or Blue Interface.  It must be a different IP address than Green or Red.

For example:

Red: 72.128.9.50
255.255.255.248

Green: 192.168.1.1
255.255.255.0

Blue: 192.168.2.1
255.255.255.0

If you want the Blue interface to supply DHCP that must be done in the web interface as well as setting authorized IP addresses/MAC addresses to access the RED (Internet) interface.

===Setup DHCP for Blue Interface===

Use your browser to access https://IP_of_Green_IPCop:445

On the Services tab choose "DHCP Server".  You should now see a Blue interface option.  

Tick "Enabled" for the Blue Interface.

Set the start address and end address so they match the IP address scheme you set for the Blue Interface in a range that works for you.  I set it from .66 to .86 so I only had 20 addresses to authorize for access.  I left the other fields at default. The same as the Green Interface.

Save.

===Add authorized addresses===

In the web interface Choose Firewall, Blue Access.

For Source IP: Input the first IP address of your DHCP range.  Tick "Enabled"
Click Add.

Repeat this for all IP addresses in the DHCP range.

Only these IP addresses will be able to access the Internet (Red Interface) from the Wireless Access Point you have setup.
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