diff --git a/content/self-host/_index.en.md b/content/self-host/_index.en.md
index 1c33995..168f5a5 100755
--- a/content/self-host/_index.en.md
+++ b/content/self-host/_index.en.md
@@ -27,4 +27,8 @@ Additionally TCP ports 21118-21119 can be opened if you want to use the [RustDes
 
 For Pro users without an SSL Proxy you will need to open TCP port 21114 for the API to work alternatively using an SSL Proxy open TCP port 443.
 
+# Test Ports are opened
+
+To check ports are opened and working you can use `test-netconnection domain.com -p 21115` with powershell or https://canyouseeme.org/.
+
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