Step 1: Install OpenConnect
sudo apt update sudo apt install ocserv systemctl status ocserv sudo systemctl start ocserv sudo ufw allow 80,443/tcp code
Step 2: Install Certbot
sudo apt install certbot certbot --version
Step 3: Obtain TLS Certificate
Standalone
sudo certbot certonly --standalone --preferred-challenges http \ --agree-tos --email [email protected] -d vpn.example.com
Apache (Webroot)
sudo nano /etc/apache2/sites-available/vpn.example.com.conf sudo mkdir /var/www/ocserv sudo chown www-data:www-data /var/www/ocserv -R sudo a2ensite vpn.example.com sudo systemctl reload apache2 sudo certbot certonly --webroot --agree-tos \ --email [email protected] -d vpn.example.com -w /var/www/ocserv
Nginx (Webroot)
sudo nano /etc/nginx/conf.d/vpn.example.com.conf sudo mkdir -p /var/www/ocserv sudo chown www-data:www-data /var/www/ocserv -R sudo systemctl reload nginx sudo certbot certonly --webroot --agree-tos \ --email [email protected] -d vpn.example.com -w /var/www/ocserv
Step 4: Configure ocserv
sudo nano /etc/ocserv/ocserv.conf sudo systemctl restart ocserv
Step 5: Create VPN Accounts
sudo ocpasswd -c /etc/ocserv/ocpasswd username
Step 6: Enable IP Forwarding
echo "net.ipv4.ip_forward = 1" | sudo tee /etc/sysctl.d/60-custom.conf sudo sysctl -p /etc/sysctl.d/60-custom.conf
Step 7: Configure IP Masquerading
sudo apt install ufw sudo ufw allow 22/tcp ip addr sudo nano /etc/ufw/before.rules sudo ufw enable sudo systemctl restart ufw sudo iptables -t nat -L POSTROUTING
Step 8: Open VPN Ports
sudo ufw allow 443/tcp sudo ufw allow 443/udp
Done: your OpenConnect VPN server is ready.
Was this helpful?
Help others find useful content by rating this article
Your feedback helps improve our content and SEO ranking