Functionality

verify-cn is checking CN into the file CN_list.txt and if the CN is there it will accept to connect, else deny.

• Compatible with OpenVPN 2.4 and newer
• Compatible with Ubuntu 18.04 and newer
• Compatible with OpenWRT 19.07 and newer

OpenVPN server params

# Whitelist
script-security 2
tls-verify "/etc/openvpn/verify-cn.sh /etc/openvpn/CN_list.txt"

CN_list.txt example

server1
server2
TMP: 12345678
client1
client2