Firewall configuration for Ozeki SMS Gateway

Ozeki SMS Gateway uses different ports and protocols. It provides various services, so the ports in use may differ from system to system. The following table lists the most common ports used by Ozeki to help you with firewall setup. Firewall setup is needed if you wish to access the Ozeki GUI or some services remotely.

Graphical user interface (HTTPS)

Firewall information: Ports 9515 and 9516 should be enabled on your firewall, if you want to access the Ozeki GUI remotely. If you enable port 9515, but you don't enable port 9516, the GUI response times, and GUI updates will be significantly slower.

Service: GUI (Graphical User Interface)
Port: 9515
Firewall: TCP
Protocol: HTTPS
Description: This port is used to access the graphical user interface in a web browser. You may change the HTTPS port of Ozeki in the control panel.

Service: GUI websocket (Graphical User Interface Websocket
Port: 9516
Firewall: TCP
Protocol: WSS
Description: This port is used to speed up screen updates for the graphical user interface in a web browser. This port is always the HTTPS port +1. When you change the HTTPS port of Ozeki, this port is automatically assigned.

Graphical user interface (HTTP)

Firewall information: Ports 9513 and 9514 should not be enabled on your firewall by default. These ports are open for compatibility reasons to provide access to older SMS clients.

Service: GUI (Graphical User Interface)
Port: 9513
Firewall: TCP
Protocol: HTTS
Description: This port is used to access the graphical user interface in a web browser. You may change the HTTPS port of Ozeki in the control panel.

Service: GUI websocket (Graphical User Interface Websocket
Port: 9514
Firewall: TCP
Protocol: WS
Description: This port is used to speed up screen updates for the graphical user interface in a web browser. This port is always the HTTPS port +1. When you change the HTTPS port of Ozeki, this port is automatically assigned.

HTTP API (HTTPS)

Firewall information: Ports 9508 should not be enabled on your firewall by default. These ports are open for compatibility reasons to provide access to older SMS clients.

Service: HTTP API
Port: 9508
Firewall: TCP
Protocol: HTTPS
Description: This port is used to access the HTTP API service. You may change the HTTPS port of Ozeki in the control panel.

SMS services

Firewall information: Ports 9550, 9560 and 9570 should not be enabled on your firewall by default. These ports are required only if you wish to provide SMS service to SMS clients.

Service: SMPP (Short Message Peer to Peer)
Port: 9550
Firewall: TCP
Protocol: SMPP
Description: This port is used to provide SMPP (Short Message Peer to Peer) service. You may change the SMPP port of Ozeki in the SMS Gateway Advanced menu.

Service: CIMD2 (Computer Interface to Message Distribution)
Port: 9560
Firewall: TCP
Protocol: CIMD2
Description: This port is used to provide the CIMD2 (Computer Interface to Message Distribution) service. You may change the CIMD2 port of Ozeki in the SMS Gateway Advanced menu.

Service: UCP (Universal Computer Protocol)
Port: 9570
Firewall: TCP
Protocol: UCP
Description: This port is used to provide the UCP (Universal Computer Protocol) service. You may change the UCP port of Ozeki in SMS Gateway Advanced menu.

PBX service

Firewall information: Ports 5060 and 5000-10000 should not be enabled on your firewall by default. These ports are only needed if you with provide VoIP phone system services.

Service: SIP (Session Initiation Protocol)
Port: 5060
Firewall: TCP
Protocol: SIP
Description: This port is used if you provide VoIP phone system service. This port is used for call setup according to the SIP 2.0 protocol, when a “session” needs to be created between 2 or more participants. You may change the SIP port of Ozeki in the Phone System Advanced menu.

Service: RTP (Real-time Transport Protocol)
Port: 5000-10000
Firewall: UTP
Protocol: RTP
Description: This port is used for delivering audio and video over IP networks. It is used if the call audio/video is routed to or through the phone system. You may change the RTP port of Ozeki in the Phone System Advanced menu.

Chat service

Firewall information: Ports 9540 should not be enabled on your firewall by default. These ports are only needed if you wish to provide Ozeki Chat connection setup service.

Service: Chat
Port: 9540
Firewall: TCP
Protocol: Chat
Description: This port is used by the Ozeki Chat System. It is used for sending and receiving chat messages between the server and the chat clients. You may change this port of Ozeki in the Chat server Advanced menu.