diff --git a/metropolis/node/ports.go b/metropolis/node/ports.go
new file mode 100644
index 0000000..c63ec38
--- /dev/null
+++ b/metropolis/node/ports.go
@@ -0,0 +1,28 @@
+// Copyright 2020 The Monogon Project Authors.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package node
+
+const (
+	NodeServicePort     = 7835
+	ConsensusPort       = 7834
+	MasterServicePort   = 7833
+	ExternalServicePort = 7836
+	DebugServicePort    = 7837
+	WireGuardPort       = 7838
+	KubernetesAPIPort   = 6443
+	DebuggerPort        = 2345
+)