diff --git a/backend/schema/endpoints/streams.json b/backend/schema/endpoints/streams.json
index da3de83e..b0773525 100644
--- a/backend/schema/endpoints/streams.json
+++ b/backend/schema/endpoints/streams.json
@@ -20,6 +20,18 @@
       "minimum": 1,
       "maximum": 65535
     },
+    "domain_name_port": {
+      "type": "string",
+      "pattern": "^(?:[^.*:]+\\.?)+[^.]:(?:(?:6553[0-5])|(?:655[0-2][0-9])|(?:65[0-4][0-9]{2})|(?:6[0-4][0-9]{3})|(?:[1-5][0-9]{4})|(?:[0-9]{1,4}))$"
+    },
+    "ipv4_port": {
+      "type": "string",
+      "pattern": "^(?:\\b25[0-5]|\\b2[0-4][0-9]|\\b[01]?[0-9][0-9]?)(?:\\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}:(?:(?:6553[0-5])|(?:655[0-2][0-9])|(?:65[0-4][0-9]{2})|(?:6[0-4][0-9]{3})|(?:[1-5][0-9]{4})|(?:[0-9]{1,4}))$"
+    },
+    "ipv6_port": {
+      "type": "string",
+      "pattern": "^(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(:0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])):(?:(?:6553[0-5])|(?:655[0-2][0-9])|(?:65[0-4][0-9]{2})|(?:6[0-4][0-9]{3})|(?:[1-5][0-9]{4})|(?:[0-9]{1,4}))$"
+    },
     "host": {
       "anyOf": [
         {
@@ -35,6 +47,19 @@
         }
       ]
     },
+    "host_port": {
+      "anyOf": [
+        {
+          "$ref": "#/definitions/domain_name_port"
+        },
+        {
+          "$ref": "#/definitions/ipv4_port"
+        },
+        {
+          "$ref": "#/definitions/ipv6_port"
+        }
+      ]
+    },
     "forwarding_hosts": {
       "anyOf": [
         {
@@ -46,7 +71,14 @@
           "maxItems": 15,
           "uniqueItems": true,
           "items": {
-            "$ref": "#/definitions/host"
+            "anyOf": [
+              {
+                "$ref": "#/definitions/host"
+              },
+              {
+                "$ref": "#/definitions/host_port"
+              }
+            ]
           }
         }
       ]