diff --git a/README.md b/README.md
index bcee137..fed1714 100644
--- a/README.md
+++ b/README.md
@@ -42,3 +42,5 @@
 	* https://github.com/jbarlow83/OCRmyPDF
 * Fing
     * https://www.fing.com/products/development-toolkit
+* SSH
+    * https://askubuntu.com/questions/48129/how-to-create-a-restricted-ssh-user-for-port-forwarding