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Step 2

Global settings



No Fieldname Discription Example input
OpenVPN on Red
This enables/disables ther server, on the RED IPCop device, to be able to start the server we  check this box.
checked
OpenVPN on Blue
This enables/disables ther server, on the BLUE IPCop device, for this howto we leve this unchecked, Note this is only visible when you have an active BLUE device
unchecked
OpenVPN on  Orange
This enables/disables ther server, on the ORANGE IPCop device, for this howto we leve this unchecked, Note this is only visible when you have an active ORANGE device
unchecked
Local VPN  Hostanme/IP
IP or hostname under wich we will except connections from outside on the RED DEVICE, normaly you will fill in your red ip, or if you don't have any static red ip this could also be a dynamic hostname
192.168.181.2
OpenVPN Subnet
OpenVPN needs an extra virtual subnet to operate, this subnet may not be used elsewhere on IPCop or on the client side otherwise it won't work
10.0.10.0/255.255.255.0
OpenVPN device
Choose the desired device till now only tun is supported later tab will also be choosable. tun is for routed connections and tab for bridged
tun
Protocol
Either udp or tcp can be choosen, this depends at least on your desire. udp is faster then tcp.
udp
Destination Port
choose any free protocol/port combination wich isn't used on IPCop and isn't beeing forwarded. OpenVPN 2.0 default protocol/port is udp/1194
1194
MTU Size
The default MTU value  is 1400, OpenVPN adds, like other VPN protocols, a header to every transmited package, so adjust this value to avoid unnecessary IP fragmentation
1400
LZO-Comperssion
This enables/disables the use off LZO compression, default is checked 
checked
Encryption
Choose here your desired encryption type , it depens on how paranoid you are ;-), default is BF-CBC
BF-CBC



After you filled all data hit the save button, to save the server configuration.

After doing so, the the Global settings will look like this:


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