diff --git a/include/ircd/resource/resource.h b/include/ircd/resource/resource.h
index d109c9a7b..71c7ad50b 100644
--- a/include/ircd/resource/resource.h
+++ b/include/ircd/resource/resource.h
@@ -40,7 +40,10 @@ struct ircd::resource
 	std::unique_ptr<method> default_method_head;
 	std::unique_ptr<method> default_method_options;
 
-	string_view allow_methods_list(const mutable_buffer &buf) const;
+	using method_closure = std::function<bool (const method &)>;
+	string_view method_list(const mutable_buffer &buf, const method_closure &) const;
+	string_view method_list(const mutable_buffer &buf) const;
+
 	response handle_options(client &, const request &) const;
 	response handle_head(client &, const request &) const;
 
diff --git a/ircd/resource.cc b/ircd/resource.cc
index 891623c4b..1be399584 100644
--- a/ircd/resource.cc
+++ b/ircd/resource.cc
@@ -198,7 +198,7 @@ catch(const std::out_of_range &e)
 	thread_local char buf[512];
 	const http::header headers[]
 	{
-		{ "Allow", allow_methods_list(buf) }
+		{ "Allow", method_list(buf) }
 	};
 
 	throw http::error
@@ -230,7 +230,19 @@ const
 }
 
 ircd::string_view
-ircd::resource::allow_methods_list(const mutable_buffer &buf)
+ircd::resource::method_list(const mutable_buffer &buf)
+const
+{
+	return method_list(buf, []
+	(const method &)
+	{
+		return true;
+	});
+}
+
+ircd::string_view
+ircd::resource::method_list(const mutable_buffer &buf,
+                            const method_closure &closure)
 const
 {
 	size_t len(0);
@@ -240,9 +252,16 @@ const
 	auto it(begin(methods));
 	if(it != end(methods))
 	{
-		len = strlcat(buf, it->first);
+		assert(it->second);
+		if(closure(*it->second))
+			len = strlcat(buf, it->first);
+
 		for(++it; it != end(methods); ++it)
 		{
+			assert(it->second);
+			if(!closure(*it->second))
+				continue;
+
 			len = strlcat(buf, " ");
 			len = strlcat(buf, it->first);
 		}