Ocserv is a Linux-based SSL VPN server that uses the OpenConnect SSL VPN protocol to provide secure remote access to enterprise network resources. In this tutorial, we will show you the steps to install ocserv on OpenSUSE Linux.
Before installing ocserv on your OpenSUSE system, you must have the following prerequisites installed:
Follow the below steps to install ocserv on OpenSUSE Latest:
Step 1: As ocserv is not present in the official OpenSUSE repository, you need to add a third-party repository to your system. Enter the following command in the terminal to add the Virtualization: Appliance: Appliance Tools repository:
sudo zypper ar http://download.opensuse.org/repositories/Virtualization:/Appliance:/ApplianceTools/openSUSE_Leap_15.0/ ApplianceTools
Step 2: Update the repository using the following command:
sudo zypper refresh
Step 3: Now, install ocserv using zypper package manager using the following command:
sudo zypper install ocserv
Step 4: Once installed, you need to set up some configurations to use the ocserv service. Edit the following configuration file /etc/ocserv/ocserv.conf using a text editor like vi or nano.
sudo vi /etc/ocserv/ocserv.conf
Step 5: Make appropriate changes to the following lines in the ocserv configuration file:
auth = "pam"
tcp-port = 443
udp-port = 443
ca-cert = /etc/ssl/certs/my_ca.crt
cert-user-oid = "2.5.4.3"
try-mtu-discovery = false
default-domain=mydomain.com
ipv4-network = 192.168.1.0
ipv4-netmask = 255.255.255.0
dns = 8.8.8.8
Note: Do not forget to add your own domain in place of mydomain.com.
Step 6: Save and exit the file.
Step 7: Start the ocserv service using the following command:
sudo systemctl start ocserv.service
Step 8: You can check the status of the ocserv service using the following command:
sudo systemctl status ocserv.service
If everything is fine, you should see the active status of the service.
You need to allow the ocserv service port in the firewall to allow incoming connections from external clients. Execute the following commands to allow the ocserv port.
sudo firewall-cmd --permanent --add-port=443/tcp
sudo firewall-cmd --reload
In this guide, we have explained how to install Ocserv on OpenSUSE Latest. Once you have completed the setup, you can connect to your network using an OpenConnect SSL VPN client.
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