====== Ubuntu - VPN - OpenVPN - Server configuration file (/etc/openvpn/server.conf) ======

<file bash /etc/openvpn/server.conf>
port 1194
proto tcp
dev tun
ca ca.crt
cert server.crt
key server.key
dh dh.pem
user nobody
group nogroup
topology subnet
server 192.168.2.0 255.255.255.0
ifconfig-pool-persist ipp.txt
cipher AES-256-CBC
auth SHA512
tls-version-min 1.2
tls-cipher TLS-DHE-RSA-WITH-AES-256-GCM-SHA384
push "dhcp-option DNS 192.168.1.1"
push "dhcp-option DOMAIN local.domain"
push "route 192.168.0.0 255.255.0.0"
keepalive 10 120
persist-key
persist-tun
crl-verify crl.pem
tls-server
tls-auth tls-auth.key 0
log /var/log/openvpn/openvpn.log
status /var/log/openvpn/status.log 20
</file>

<WRAP info>
**NOTE:**  Ensure that ther OpenVPN IP pool (the server 192.168.2.0 255.255.255.0 line) does not conflict with the current LAN.

  * All local resources are at 192.168.1.XXX.
  * All OpenVPN clients are at 192.168.2.XXX.
  * **push dhcp-option DNS 192.168.1.1** tells the server to send the address of the local networks DNS server to the client.
  * **push dhcp-option DOMAIN local.domain** tells the server to send the local domain to the client as a place for it to search for hostnames that are used by not [[https://en.wikipedia.org/wiki/Fully_qualified_domain_name|fully qualified]].
</WRAP>