diff --git a/plinth/modules/ejabberd/views.py b/plinth/modules/ejabberd/views.py
index c80d1b8d1..896014829 100644
--- a/plinth/modules/ejabberd/views.py
+++ b/plinth/modules/ejabberd/views.py
@@ -36,6 +36,7 @@ class EjabberdServiceView(ServiceView):
     diagnostics_module_name = 'ejabberd'
     form_class = EjabberdForm
     manual_page = ejabberd.manual_page
+    port_forwarding_info = ejabberd.port_forwarding_info
 
     def get_initial(self):
         initdict = super().get_initial()
diff --git a/plinth/modules/infinoted/__init__.py b/plinth/modules/infinoted/__init__.py
index 0f7f5f3e7..38d930952 100644
--- a/plinth/modules/infinoted/__init__.py
+++ b/plinth/modules/infinoted/__init__.py
@@ -78,6 +78,7 @@ class InfinotedServiceView(ServiceView):
     diagnostics_module_name = "infinoted"
     description = description
     clients = clients
+    port_forwarding_info = port_forwarding_info
 
 
 def setup(helper, old_version=None):
diff --git a/plinth/modules/minetest/views.py b/plinth/modules/minetest/views.py
index dd400d27a..aa4a2654c 100644
--- a/plinth/modules/minetest/views.py
+++ b/plinth/modules/minetest/views.py
@@ -39,6 +39,7 @@ class MinetestServiceView(ServiceView):  # pylint: disable=too-many-ancestors
     form_class = MinetestForm
     clients = minetest.clients
     manual_page = minetest.manual_page
+    port_forwarding_info = minetest.port_forwarding_info
 
     def get_initial(self):
         """Return the values to fill in the form."""
diff --git a/plinth/modules/mumble/__init__.py b/plinth/modules/mumble/__init__.py
index 3e5f11de7..a315939c3 100644
--- a/plinth/modules/mumble/__init__.py
+++ b/plinth/modules/mumble/__init__.py
@@ -83,6 +83,7 @@ class MumbleServiceView(ServiceView):
     description = description
     clients = clients
     manual_page = manual_page
+    port_forwarding_info = port_forwarding_info
 
 
 def setup(helper, old_version=None):
diff --git a/plinth/modules/openvpn/views.py b/plinth/modules/openvpn/views.py
index 255951402..ecb260030 100644
--- a/plinth/modules/openvpn/views.py
+++ b/plinth/modules/openvpn/views.py
@@ -61,6 +61,7 @@ def index(request):
             'title': openvpn.name,
             'description': openvpn.description,
             'manual_page': openvpn.manual_page,
+            'port_forwarding_info': openvpn.port_forwarding_info,
             'status': status,
             'form': form
         })
diff --git a/plinth/modules/quassel/__init__.py b/plinth/modules/quassel/__init__.py
index 6b1250253..69d3f1509 100644
--- a/plinth/modules/quassel/__init__.py
+++ b/plinth/modules/quassel/__init__.py
@@ -89,6 +89,7 @@ class QuasselServiceView(ServiceView):
     description = description
     clients = clients
     manual_page = manual_page
+    port_forwarding_info = port_forwarding_info
 
 
 def setup(helper, old_version=None):
diff --git a/plinth/templates/service.html b/plinth/templates/service.html
index e8b05fe8c..bf5f4c145 100644
--- a/plinth/templates/service.html
+++ b/plinth/templates/service.html
@@ -75,6 +75,26 @@
 
   {% include "internal-zone.html" %}
 
+  {% if port_forwarding_info %}
+    <h3>{% trans "Port Forwarding" %}</h3>
+
+    <p>
+      {% with service_name=service.name %}
+        {% blocktrans trimmed %}
+          If your FreedomBox is behind a router, you will need to set up port
+          forwarding on your router. You should forward the following ports for
+          {{ service_name }}:
+        {% endblocktrans %}
+      {% endwith %}
+    </p>
+
+    <ul>
+      {% for port in port_forwarding_info %}
+        <li>{{ port.0 }} {{ port.1 }}</li>
+      {% endfor %}
+    </ul>
+  {% endif %}
+
   {% block configuration %}
     <h3>{% trans "Configuration" %}</h3>
 
diff --git a/plinth/views.py b/plinth/views.py
index df182cde0..566cbcbb6 100644
--- a/plinth/views.py
+++ b/plinth/views.py
@@ -122,6 +122,7 @@ class ServiceView(FormView):
     service_id = None
     template_name = 'service.html'
     manual_page = ""
+    port_forwarding_info = None
 
     @property
     def success_url(self):
@@ -177,6 +178,7 @@ class ServiceView(FormView):
         context['description'] = self.description
         context['show_status_block'] = self.show_status_block
         context['manual_page'] = self.manual_page
+        context['port_forwarding_info'] = self.port_forwarding_info
         return context