Firewalls and default ports

On some deployments, such as ones where restrictive firewalls are in place, you might need to manually configure a firewall to permit OpenStack service traffic.

To manually configure a firewall, you must permit traffic through the ports that each OpenStack service uses. This table lists the default ports that each OpenStack service uses:

Default ports that OpenStack components use

OpenStack service	Default ports
Backup Service (Freezer)	9090
Bare Metal provisioning service (Ironic)	6385
Block Storage (cinder)	8776
Compute (nova) endpoints	8774
Compute ports for access to virtual machine consoles	5900-5999
Compute VNC proxy for browsers (openstack-nova-novncproxy)	6080
Compute VNC proxy for traditional VNC clients (openstack-nova-xvpvncproxy)	6081
Container Infrastructure Management (Magnum)	9511
Container Service (Zun)	9517
Database service (Trove)	8779
DNS service (Designate)	9001
High Availability Service (Masakari)	15868
Identity service (keystone) endpoint	5000
Image service (glance) API	9292
Key Manager service (Barbican)	9311
Loadbalancer service (Octavia)	9876
Networking (neutron)	9696
NFV Orchestration service (tacker)	9890
Object Storage (swift)	6000, 6001, 6002
Orchestration (heat) endpoint	8004
Orchestration AWS CloudFormation-compatible API (openstack-heat-api-cfn)	8000
Placement API (placement)	8003
Proxy port for HTML5 console used by Compute service	6082
Rating service (Cloudkitty)	8889
Registration service (Adjutant)	5050
Resource Reservation service (Blazar)	1234
Root Cause Analysis service (Vitrage)	8999
Shared File Systems service (Manila)	8786
Telemetry alarming service (Aodh)	8042
Workflow service (Mistral)	8989

To function properly, some OpenStack components depend on other, non-OpenStack services. For example, the OpenStack dashboard uses HTTP for non-secure communication. In this case, you must configure the firewall to allow traffic to and from HTTP.

This table lists the ports that other OpenStack components use:

Default ports that secondary services related to OpenStack components use

Service	Default port	Used by
HTTP	80	OpenStack dashboard (Horizon) when it is not configured to use secure access.
HTTP alternate	8080	OpenStack Object Storage (swift) service.
HTTPS	443	Any OpenStack service that is enabled for SSL, especially secure-access dashboard.
rsync	873	OpenStack Object Storage. Required.
iSCSI target	3260	OpenStack Block Storage. Required when using LVM with iSCSI target (tgt, LIO, iSER)
NVMe-oF target	4420	OpenStack Block Storage. Required when using LVM with NVMe-oF target (nvmet).
MySQL database service	3306	Most OpenStack components.
Message Broker (AMQP traffic)	5672	OpenStack Block Storage, Networking, Orchestration, and Compute.

On some deployments, the default port used by a service may fall within the defined local port range of a host. To check a host’s local port range:

$ sysctl net.ipv4.ip_local_port_range

If a service’s default port falls within this range, run the following program to check if the port has already been assigned to another application:

$ lsof -i :PORT

Configure the service to use a different port if the default port is already being used by another application.