Hi, On Sun, Aug 20, 2023 at 01:14:55PM +0000, Jason Long via Openvpn-users wrote: > I googeled my question, but unfortunately, I could not find a correct and > complete article about it and I'm thankful if the experts here, write the > answer step by step and in summary. > > Suppose you have an OpenVPN server. Now, you want to set two public IP > addresses on it. Your public IP addresses are: > > 1.2.3.4 > 1.2.3.5 > > Your OpenVPN server has one NIC as below: > > # ifconfig > enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255
This is not what I would have - I'd have a public IP address on the NIC,
or 2, or 3.
> Can you show how to prepare your OpenVPN server step by step? For example,
> You must first create a virtual network card and assign the IP addresses to
> it then???
How you do that is half "dependent on your service provider" and the
other half "dependent on the Linux distribution you use".
So with my service provider, and using FreeBSD, I would put
ifconfig_en0="1.2.3.4/29"
ifconfig_en0_alias0="1.2.3.5/29"
into /etc/rc.config and reboot. How to do that with your ISP and your
Linux variant, your ISP and google will tell you.
> The goal of this project is that you want different users to connect to
> different IP addresses.
Not sure why you'd want that, but in that case, you can either run
one OpenVPN process per IP address (using --local 1.2.3.4 etc.) or
run one OpenVPN process for all of them (using --multihome) and
differenciate by client cert, username, etc.
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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