OpenVPN Support Forum

I am new so my OpenVPN configuration is very typical. Clients logins to my Linux based OpenVPN server using user/pass credentials. On the same server I have several services running, each on separate port of course.
I want to grand access for example for user1 access only to port 12000 and for user2 only to port 162. Users can log in from different address from Internet.
Any help how can I do it? Any help in iptables rules. And I don know at all, how assign specific privilages for particular user, different for each.
Be kind to answer for newbie.....

You must assign each user a specific VPN IP:
HOWTO: Expanding the scope of the VPN to include additional machines

Then use a firewall to specify access by source IP:
Configuring client-specific rules and access policies

THX. But it explains how to restrict particular user access to specific host in network. But I want restrict access of particular user to specific port on the same machine with OpenVPN server running. In other words. Linux based server has several apps running on it. That includes OpenVPN, Apache, Samba, NFS and specific app running on port 162 (snmp-trap). I want several users to give access over OpenVPN only to port 162 and OpenVPN port of course. All other will have full access to network (just like at this moment). Thats my goal. Any idea?

Sorry for opening the old post ..... I have the same question, so I would like to allow client 1 access to the service on port eg 1234, and client 2 access to port eg 5678. Ip address is the same.

192.168.0.16:1234 <- access only for clinet 1
192.168.0.16:5678 <- access only for client 2

Is this possible?

I use OpenVPN on RaspberryPI, installed via pivpn.

Thanks for any help!