diff --git a/README.md b/README.md
index 0810837..4ea6cfc 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,11 @@
 
 An alternative to AVPNC for Fedora users.
 
+## How does it work?
+
+Aviatrix VPN requires a special authentification string in order to allow login.
+To retrieve it, the client is redirected to a web page, and the webpage pings local port 15395 to send the authentification string.
+
 ## How ?
 
 Compile:
@@ -20,3 +25,13 @@ Got your token! Email is: pmarie@aviatrix.com
 Launching OpenVPN. Check log file: /tmp/openvpn-avx.log
 ...
 ```
+
+## Using ssh with a remote box
+
+If lightvpn is on a remote box (ie: ec2), it is required to redirect your local 15395 to distant's. Use:
+
+```sh
+ssh -L 15395:localhost:15395 <your-ec2-box>
+```
+
+Then initiate `light-vpn` in a persistent virtual terminal (like `screen` or `tmux`), and follow the instructions.