diff --git a/README.md b/README.md
index 193473f..4937a3e 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,8 @@ Variable | Description | Example
 --- | --- | ---
 `CONFIG` | Directory where all configuration will be stored | /opt/jitsi-meet-cfg
 `TZ` | System Time Zone | Europe/Amsterdam
+`HTTP_PORT` | Exposed port for HTTP traffic | 8000
+`HTTPS_PORT` | Exposed port for HTTPS traffic | 8443
 `JVB_COMPONENT_SECRET` | XMPP component password for Jitsi Videobridge | s3cr3t
 `JVB_STUN_SERVERS` | STUN servers used to discover the server's public IP | stun.l.google.com:19302, stun1.l.google.com:19302, stun2.l.google.com:19302
 `JICOFO_COMPONENT_SECRET` | XMPP component password for Jicofo | s3cr37
@@ -101,6 +103,7 @@ Variable | Description | Default value
 `XMPP_BOSH_URL_BASE` | Base URL for XMPP BOSH connections | http://xmpp.meet.jitsi:5280
 `XMPP_MUC_DOMAIN` | XMPP domain for the MUC | muc.meet.jitsi
 `JICOFO_AUTH_USER` | XMPP user for Jicofo client connections | focus
+`JVB_PORT` | Port for media used by Jitsi Videobridge | 10000
 
 ### Running on a LAN environment
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 27d5faf..7c92582 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,8 +5,8 @@ services:
     web:
         image: jitsi/web
         ports:
-            - '8000:80'
-            - '8443:443'
+            - '${HTTP_PORT}:80'
+            - '${HTTPS_PORT}:443'
         volumes:
             - ${CONFIG}/meet:/config
         environment:
@@ -62,7 +62,7 @@ services:
     jvb:
         image: jitsi/jvb
         ports:
-            - "10000:10000/udp"
+            - '${JVB_PORT}:${JVB_PORT}/udp'
         volumes:
             - ${CONFIG}/jvb:/config
         environment:
@@ -71,6 +71,7 @@ services:
             - XMPP_AUTH_DOMAIN
             - XMPP_SERVER=xmpp.meet.jitsi
             - JVB_COMPONENT_SECRET
+            - JVB_PORT
             - JVB_STUN_SERVERS
             - JICOFO_AUTH_USER
             - TZ
diff --git a/env.example b/env.example
index 8765a83..ce3cb4f 100644
--- a/env.example
+++ b/env.example
@@ -1,6 +1,12 @@
 # Directory where all configuration will be stored.
 CONFIG=~/.jitsi-meet-cfg
 
+# Exposed HTTP port.
+HTTP_PORT=8000
+
+# Exposed HTTPS port.
+HTTPS_PORT=8443
+
 # System time zone.
 TZ=Europe/Amsterdam
 
@@ -23,6 +29,9 @@ JVB_COMPONENT_SECRET=s3cr3t
 # STUN servers used to discover the server's public IP.
 JVB_STUN_SERVERS=stun.l.google.com:19302,stun1.l.google.com:19302,stun2.l.google.com:19302
 
+# Media port for the Jitsi Videobridge
+JVB_PORT=10000
+
 # XMPP component password for Jicofo.
 JICOFO_COMPONENT_SECRET=s3cr37
 
diff --git a/jvb/Dockerfile b/jvb/Dockerfile
index 5891104..30f3ea5 100644
--- a/jvb/Dockerfile
+++ b/jvb/Dockerfile
@@ -8,5 +8,3 @@ RUN \
 COPY rootfs/ /
 
 VOLUME /config
-
-EXPOSE 10000/udp
diff --git a/jvb/rootfs/defaults/sip-communicator.properties b/jvb/rootfs/defaults/sip-communicator.properties
index 589808a..670d2b6 100644
--- a/jvb/rootfs/defaults/sip-communicator.properties
+++ b/jvb/rootfs/defaults/sip-communicator.properties
@@ -1,4 +1,5 @@
 org.jitsi.videobridge.AUTHORIZED_SOURCE_REGEXP={{ .Env.JICOFO_AUTH_USER }}@{{ .Env.XMPP_AUTH_DOMAIN }}/.*
+org.jitsi.videobridge.SINGLE_PORT_HARVESTER_PORT={{ .Env.JVB_PORT }}
 org.jitsi.videobridge.DISABLE_TCP_HARVESTER=true
 org.ice4j.ice.harvest.STUN_MAPPING_HARVESTER_ADDRESSES={{ .Env.JVB_STUN_SERVERS }}
 org.ice4j.ice.harvest.NAT_HARVESTER_LOCAL_ADDRESS=