diff --git a/[Script-MikroTik] Port Knocking Security.txt b/[Script-MikroTik] Port Knocking Security.txt
new file mode 100644
index 0000000..c034dc3
--- /dev/null
+++ b/[Script-MikroTik] Port Knocking Security.txt	
@@ -0,0 +1,6 @@
+/ip firewall filter
+add action=accept chain=input comment="Port Knocking Security" connection-state=established,related
+add action=add-src-to-address-list address-list=Temporary address-list-timeout=1m chain=input dst-port=1234 protocol=tcp
+add action=add-src-to-address-list address-list=Valid address-list-timeout=1m chain=input dst-port=4321 protocol=tcp src-address-list=Temporary
+add action=accept chain=input src-address-list=Valid
+add action=drop chain=input
\ No newline at end of file