diff --git a/doc/manual/drivers_reference.rst b/doc/manual/drivers_reference.rst
index 06cd0cf6f..96604e6bb 100644
--- a/doc/manual/drivers_reference.rst
+++ b/doc/manual/drivers_reference.rst
@@ -33,11 +33,11 @@ When writing a new driver, choose a free TCP port and add it to this list.
 +--------------------------+--------------+
 | Component                | Default port |
 +==========================+==============+
-| Master (notifications)   | 8887         |
+| Master (notifications)   | 3250         |
 +--------------------------+--------------+
-| Master (control)         | 8888         |
+| Master (control)         | 3251         |
 +--------------------------+--------------+
-| PDQ2                     | 8889         |
+| PDQ2                     | 3252         |
 +--------------------------+--------------+
-| LDA                      | 8890         |
+| LDA                      | 3253         |
 +--------------------------+--------------+
diff --git a/frontend/artiq_client.py b/frontend/artiq_client.py
index 3d8aaeef8..9ff4f1e31 100755
--- a/frontend/artiq_client.py
+++ b/frontend/artiq_client.py
@@ -181,7 +181,7 @@ def _show_parameters(parameters):
 
 def _run_subscriber(host, port, subscriber):
     if port is None:
-        port = 8887
+        port = 3250
     loop = asyncio.get_event_loop()
     try:
         loop.run_until_complete(subscriber.connect(host, port))
@@ -232,7 +232,7 @@ def main():
             print("Unknown object to show, use -h to list valid names.")
             sys.exit(1)
     else:
-        port = 8888 if args.port is None else args.port
+        port = 3251 if args.port is None else args.port
         target_name = {
             "submit": "master_schedule",
             "cancel": "master_schedule",
diff --git a/frontend/artiq_gui.py b/frontend/artiq_gui.py
index 2a11a48e5..6d6c04a43 100755
--- a/frontend/artiq_gui.py
+++ b/frontend/artiq_gui.py
@@ -18,10 +18,10 @@ def _get_args():
         "-s", "--server", default="::1",
         help="hostname or IP of the master to connect to")
     parser.add_argument(
-        "--port-notify", default=8887, type=int,
+        "--port-notify", default=3250, type=int,
         help="TCP port to connect to for notifications")
     parser.add_argument(
-        "--port-control", default=8888, type=int,
+        "--port-control", default=3251, type=int,
         help="TCP port to connect to for control")
     return parser.parse_args()
 
diff --git a/frontend/artiq_master.py b/frontend/artiq_master.py
index 8a4a239ae..dbe47c74c 100755
--- a/frontend/artiq_master.py
+++ b/frontend/artiq_master.py
@@ -16,10 +16,10 @@ def _get_args():
         "--bind", default="::1",
         help="hostname or IP address to bind to")
     parser.add_argument(
-        "--port-notify", default=8887, type=int,
+        "--port-notify", default=3250, type=int,
         help="TCP port to listen to for notifications")
     parser.add_argument(
-        "--port-control", default=8888, type=int,
+        "--port-control", default=3251, type=int,
         help="TCP port to listen to for control")
     return parser.parse_args()
 
diff --git a/frontend/lda_client.py b/frontend/lda_client.py
index c11e52dd7..23317cd92 100755
--- a/frontend/lda_client.py
+++ b/frontend/lda_client.py
@@ -9,7 +9,7 @@ def main():
     parser = argparse.ArgumentParser()
     parser.add_argument('-s', '--server', default="::1",
                         help="hostname or IP of the controller to connect to")
-    parser.add_argument('-p', '--port', default=8890, type=int,
+    parser.add_argument('-p', '--port', default=3253, type=int,
                         help="TCP port to use to connect to the controller")
     parser.add_argument('-a', '--attenuation', type=float,
                         help="attenuation value to set")
diff --git a/frontend/lda_controller.py b/frontend/lda_controller.py
index dfc76a7ce..857dd4b73 100755
--- a/frontend/lda_controller.py
+++ b/frontend/lda_controller.py
@@ -12,7 +12,7 @@ def main():
                         choices=["LDA-102", "LDA-602", "sim"])
     parser.add_argument('--bind', default="::1",
                         help="hostname or IP address to bind to")
-    parser.add_argument('-p', '--port', default=8890, type=int,
+    parser.add_argument('-p', '--port', default=3253, type=int,
                         help="TCP port to listen to")
     parser.add_argument('-s', '--serial', default=None,
                         help="USB serial number of the device")
diff --git a/frontend/pdq2_client.py b/frontend/pdq2_client.py
index 1386a347f..bacb2215b 100755
--- a/frontend/pdq2_client.py
+++ b/frontend/pdq2_client.py
@@ -17,7 +17,7 @@ def _get_args():
         them to the controller.""")
     parser.add_argument("-s", "--server", default="::1",
                         help="hostname or IP of the controller to connect to")
-    parser.add_argument("--port", default=8889, type=int,
+    parser.add_argument("--port", default=3252, type=int,
                         help="TCP port to use to connect to the controller")
     parser.add_argument("-c", "--channel", default=0, type=int,
                         help="channel: 3*board_num+dac_num [%(default)s]")
diff --git a/frontend/pdq2_controller.py b/frontend/pdq2_controller.py
index dc8e993a9..867503f91 100755
--- a/frontend/pdq2_controller.py
+++ b/frontend/pdq2_controller.py
@@ -11,7 +11,7 @@ def _get_args():
     parser = argparse.ArgumentParser(description="PDQ2 controller")
     parser.add_argument("--bind", default="::1",
                         help="hostname or IP address to bind to")
-    parser.add_argument("-p", "--port", default=8889, type=int,
+    parser.add_argument("-p", "--port", default=3252, type=int,
                         help="TCP port to listen to")
     parser.add_argument(
         "-s", "--serial", default=None,