diff --git a/xdr.json b/xdr.json
index 5903d10..3ceed67 100644
--- a/xdr.json
+++ b/xdr.json
@@ -7,6 +7,7 @@
 	  "Sublayer_name" : "Palo Alto Networks Corporation - Cortex XDR Network Isolation",
 	  "Sublayer_ID" : "{849BDEF4-C2D5-4464-96E8-3CBE11841AD6}" 
   },
+  "Block_port": "443",
   "Block": [
     {"Live-EU": "35.244.251.25"},
     {"Live-CH": "34.65.213.226"},
@@ -31,4 +32,4 @@
     {"EDR-IN": "34.120.213.187"},
     {"EDR-PL": "35.190.13.237"}
   ]
-}
\ No newline at end of file
+}