diff --git a/firefox/10-manual.yml b/firefox/10-manual.yml
index 047ff8a3..40a493dc 100644
--- a/firefox/10-manual.yml
+++ b/firefox/10-manual.yml
@@ -8,16 +8,13 @@ manual:
     variable: _.proxy_mode
     when_not: Manual proxy configuration
 
-  http_proxy:  # HTTP Proxy
+  http_proxy:
+    description: HTTP Proxy
+    type: proxy
 
     address:
-      description: HTTP address
-      type: domainname
-      params:
-        allow_ip: true
+      default: null
 
     port:
-      description: HTTP Port
-      type: port
       default: 8080
 ...
diff --git a/types/proxy/00_type.yml b/types/proxy/00_type.yml
new file mode 100644
index 00000000..6877fb89
--- /dev/null
+++ b/types/proxy/00_type.yml
@@ -0,0 +1,20 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxy:
+
+  address:
+    description: Proxy address
+    type: domainname
+    params:
+      allow_ip: true
+    default:
+      variable: __.http_proxy.address
+
+  port:
+    description: Proxy port
+    type: port
+    default:
+      variable: __.http_proxy.port
+...