diff --git a/plinth/modules/ejabberd/__init__.py b/plinth/modules/ejabberd/__init__.py
index 6b7d40dab..d5620b007 100644
--- a/plinth/modules/ejabberd/__init__.py
+++ b/plinth/modules/ejabberd/__init__.py
@@ -64,6 +64,11 @@ service = None
 
 manual_page = 'ejabberd'
 
+port_forwarding_info = [
+    ('TCP', 5222),
+    ('TCP', 5269),
+]
+
 logger = logging.getLogger(__name__)
 
 
diff --git a/plinth/modules/infinoted/__init__.py b/plinth/modules/infinoted/__init__.py
index 8a4998ee7..0f7f5f3e7 100644
--- a/plinth/modules/infinoted/__init__.py
+++ b/plinth/modules/infinoted/__init__.py
@@ -54,6 +54,8 @@ description = [
 
 clients = clients
 
+port_forwarding_info = [('TCP', 6523)]
+
 
 def init():
     """Initialize the infinoted module."""
diff --git a/plinth/modules/minetest/__init__.py b/plinth/modules/minetest/__init__.py
index 2bb24d718..e3010f220 100644
--- a/plinth/modules/minetest/__init__.py
+++ b/plinth/modules/minetest/__init__.py
@@ -66,6 +66,8 @@ clients = clients
 
 manual_page = 'Minetest'
 
+port_forwarding_info = [('UDP', 30000)]
+
 reserved_usernames = ['Debian-minetest']
 
 CONFIG_FILE = '/etc/minetest/minetest.conf'
diff --git a/plinth/modules/mumble/__init__.py b/plinth/modules/mumble/__init__.py
index cd7e5c9a5..3e5f11de7 100644
--- a/plinth/modules/mumble/__init__.py
+++ b/plinth/modules/mumble/__init__.py
@@ -54,6 +54,11 @@ reserved_usernames = ['mumble-server']
 
 manual_page = 'Mumble'
 
+port_forwarding_info = [
+    ('TCP', 64738),
+    ('UDP', 64738),
+]
+
 
 def init():
     """Intialize the Mumble module."""
diff --git a/plinth/modules/openvpn/__init__.py b/plinth/modules/openvpn/__init__.py
index f9ebd8b36..028e0a4ff 100644
--- a/plinth/modules/openvpn/__init__.py
+++ b/plinth/modules/openvpn/__init__.py
@@ -53,6 +53,8 @@ description = [
 
 manual_page = 'OpenVPN'
 
+port_forwarding_info = [('UDP', 1194)]
+
 
 def init():
     """Initialize the OpenVPN module."""
diff --git a/plinth/modules/quassel/__init__.py b/plinth/modules/quassel/__init__.py
index 2ca44ab1d..6b1250253 100644
--- a/plinth/modules/quassel/__init__.py
+++ b/plinth/modules/quassel/__init__.py
@@ -63,6 +63,8 @@ reserved_usernames = ['quasselcore']
 
 manual_page = 'Quassel'
 
+port_forwarding_info = [('TCP', 4242)]
+
 
 def init():
     """Initialize the quassel module."""