Update VPN article

content/Bypassing Ports.md

@@ -27,7 +27,7 @@ Install the following requirements:
 
 ```
 $ sudo apt update
-$ sudo apt install openvpn ufw
+$ sudo apt install openvpn easy-rsa ufw
 ```
 
 ### OpenVPN Server
@@ -49,6 +49,8 @@ Replace `tanner` with your Linux username, this is temporary.
 
 ```
 $ cd easy-rsa/
+$ export EASYRSA_CERT_EXPIRE=36500
+$ export EASYRSA_CA_EXPIRE=36500
 $ ./easyrsa init-pki
 $ head /dev/urandom > pki/.rnd
 $ ./easyrsa build-ca