topology subnet
dev tun1
data-ciphers AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305
proto udp
port 65301
persist-tun
persist-key
duplicate-cn
verb 3
server 10.255.250.0 255.255.255.0
ca /etc/openvpn/ca/pki/ca.crt
cert /etc/openvpn/ca/pki/issued/server.crt
key /etc/openvpn/ca/pki/private/server.key
dh /etc/openvpn/server/dh2048.pem
crl-verify /etc/openvpn/ca/pki/crl.pem
keepalive 10 240
txqueuelen 1000
sndbuf 262144
push "sndbuf 262144"
rcvbuf 262144
push "rcvbuf 262144"
tun-mtu 1420
tls-server
tls-version-min 1.2
push "route 10.255.250.1 255.255.255.255"
client-config-dir ccd
#ifconfig-pool-persist ccd/ipp_udp.txt
fast-io
passtos