DC/OS Ports

DC/OS components listen on multiple ports on each node. These ports must be available for installation to succeed.

DC/OS allocates additional ports to services running on top of DC/OS. These ports are required to be available when services are installed.

All nodes

TCP

Port DC/OS component systemd unit
61003 REX-Ray dcos-rexray.service
61053 Mesos DNS dcos-mesos-dns.service
61420 Erlang Port Mapping Daemon (EPMD) dcos-epmd.service
62053 DNS Forwarder (Spartan) dcos-spartan.service
62080 Navstar dcos-navstar.service
62501 DNS Forwarder (Spartan) dcos-spartan.service
62502 Navstar dcos-navstar.service

UDP

Port DC/OS component systemd unit
61053 Mesos DNS dcos-mesos-dns.service
62053 DNS Forwarder (Spartan) dcos-spartan.service
64000 Navstar dcos-navstar.service

Note: UDP port 123 is open for communication with NTP.

Master

TCP

Port DC/OS component systemd unit
53 DNS Forwarder (Spartan) dcos-spartan.service
80 Admin Router Master (HTTP) dcos-adminrouter.service
443 Admin Router Master (HTTPS) dcos-adminrouter.service
1337 DC/OS Secrets dcos-secrets.service Enterprise
2181 ZooKeeper dcos-exhibitor.service
3888 Exhibitor, or ZooKeeper and Exhibitor dcos-exhibitor.service
5050 Mesos Master dcos-mesos-master.service
7070 DC/OS Package Manager (Cosmos) dcos-cosmos.service
8080 Marathon dcos-marathon.service
8101 DC/OS Identity and Access Manager dcos-bouncer.service Enterprise
8123 Mesos DNS dcos-mesos-dns.service
8181 Exhibitor and ZooKeeper dcos-exhibitor.service
8200 Vault dcos-vault.service Enterprise
8443 Marathon SSL dcos-marathon.service
8888 DC/OS Certificate Authority dcos-ca.service Enterprise
9090 DC/OS Jobs (Metronome) dcos-metronome.service
9443 DC/OS Jobs (Metronome) SSL dcos-metronome.service
9990 DC/OS Package Manager (Cosmos) dcos-cosmos.service
15055 DC/OS History dcos-history-service.service
15101 Marathon libprocess dcos-marathon.service
15201 DC/OS Jobs (Metronome) libprocess dcos-metronome.service
62500 DC/OS Network Metrics dcos-networking_api.service Enterprise
Ephemeral DC/OS Component Package Manager (Pkgpanda) dcos-pkgpanda-api.service

UDP

Port DC/OS component systemd unit
53 DNS Forwarder (Spartan) dcos-spartan.service

Agent

TCP

Port DC/OS component systemd unit
5051 Mesos Agent dcos-mesos-slave.service
61001 Admin Router Agent (HTTP) dcos-adminrouter-agent
61002 Admin Router Agent (HTTPS) dcos-adminrouter-agent
1025-2180 Default advertised port ranges (for Marathon health checks)
2182-3887 Default advertised port ranges (for Marathon health checks)
3889-5049 Default advertised port ranges (for Marathon health checks)
5052-8079 Default advertised port ranges (for Marathon health checks)
8082-8180 Default advertised port ranges (for Marathon health checks)
8182-32000 Default advertised port ranges (for Marathon health checks)