In v2.2 RC1 do the Foolowing to access the Endian Administration Web.
Connect to the your green endian ip (192.168.1.1) while you are connect to the Green as well.
Log into your endian firewall.
Select "Firewall" from the top menu
once selected you will see a list menu on the left side.
there is one called "system access" the Bottom one on the menu.
then click "Add a new system access rule"
at this poin t you will need to enter ion the IP address of your "blue"
If using dhcp and the ip address will change the use the mac address of the nic that is blue.
leave "service" and "Protocol" as "<any>" untill you are ready to lock it down more
This should do it