diff --git a/janus-config/janus.cfg b/janus-config/janus.cfg
index bf1e425..8fc6540 100644
--- a/janus-config/janus.cfg
+++ b/janus-config/janus.cfg
@@ -1,43 +1,44 @@
 ; Janus configuration file for use with SylkServer
 
 [general]
 ; Configuration files folder
 configs_folder = /etc/janus
 
 ; Plugins folder
 plugins_folder = /usr/lib/janus/plugins
 
 ; Transports folder
 transports_folder = /usr/lib/janus/transports
 
 ; Interface to use (will be used in SDP)
 ;interface =
 
 ; Debug/logging level, valid values are 0-7
 debug_level = 3
 
 ; API secret. Clients will need to specify this value for each request.
 ; Any kind of value is acceptable, but some random UUID is recommended.
 ; A new UUID value can be generated with the following command:
 ; python -c 'import uuid; print(uuid.uuid4().hex)'
 api_secret = 0745f2f74f34451c89343afcdcae5809
 
 [nat]
 ice_lite = true
 ice_tcp = true
 
 [media]
 force-bundle = true
 force-rtcp-mux = true
 
 [certificates]
 ; Certificate and key to use for DTLS
-cert_pem = /usr/share/janus/certs/mycert.pem
-cert_key = /usr/share/janus/certs/mycert.key
+; (we leave these empty so Janus autogenerates them)
+;cert_pem =
+;cert_key =
 
 [plugins]
 disable = libjanus_voicemail.so,libjanus_recordplay.so,libjanus_streaming.so,libjanus_echotest.so,libjanus_videocall.so,libjanus_videoroom.so
 
 [transports]
-disable = libjanus_http.so,libjanus_rabbitmq.so
+disable = libjanus_http.so,libjanus_rabbitmq.so,libjanus_pfunix.so
 
diff --git a/janus-config/janus.transport.websockets.cfg b/janus-config/janus.transport.websockets.cfg
index 1c396ea..4b4c5c5 100644
--- a/janus-config/janus.transport.websockets.cfg
+++ b/janus-config/janus.transport.websockets.cfg
@@ -1,6 +1,7 @@
 
 [general]
 ws = yes
+ws_ip = 127.0.0.1
 ws_port = 8188
 wss = no