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Understanding port numbers

Port numbers identify the TCP ports where the BMC Remedy Action Request (AR) System server and the plug-in server run. The TCP port number for each of these servers cannot be the same.

In this topic:

Registeringwiththeportmapper">Registering with the portmapper

A portmapper is a service that runs independently of the BMC Remedy AR System server and serves as a directory of port numbers.

When users log on to BMC Remedy AR System:

  • If a server is registered with a portmapper, users do not need to specify the port number in the client because the portmapper can locate the port and direct clients to the appropriate location.
  • If a server is not registered with a portmapper, or if a Port 111 firewall blocks the portmapper port, users must specify the port.

When you start the server, it opens a port to listen to. You can specify a port for the server or let the server obtain an available port dynamically.

You can register a server with the portmapper and assign a port number. If you do, and do not expose the portmapper outside a firewall, clients within the firewall do not need to be configured to access the specified port number. They can access the portmapper, which directs them to the port. Clients outside the firewall, though, must be configured to access the specified port number.

Note

The BMC Remedy AR System server does not have a default port or specific range of ports. The operating system randomly assigns ports. To ensure that the portmapper always uses the same port for the BMC Remedy AR System server, specify a port during installation or use the BMC Remedy AR System Administration Console to configure the server after you install it.

Portmapper and multiple servers

If you use the portmapper for one server on the computer, you must assign TCP and plug-in port numbers to all the servers on the computer. (Only one BMC Remedy AR System server on any server can register with the portmapper.) If you mistakenly configure more than one server to use the portmapper, the last server to start is the only one registered and available for logon without identifying a TCP port from the Login window.

If you want to configure two or more servers on one Microsoft Windows computer, ensure that all the servers on the computer have unique port numbers and are not registered with the portmapper.

Note

If you plan to use the portmapper with a server group installation, do not specify a port number from AR System server installation. If you do specify a port number from AR System server installation, that tells the system that the AR System server is not using portmapper.

Detecting the portmapper

On Microsoft Windows, the AR System installer searches for an existing portmapper. If the portmapper is installed and running and you choose to register with a portmapper, the BMC Remedy AR System registers the server with that portmapper. If the installer does not detect a running portmapper and you chose to register with a portmapper, the installer installs the portmapper and registers the AR System server with that portmapper.

Note

By default, Microsoft Windows 2008 comes with a portmapper installation. If you want to use the BMC Remedy AR System portmapper, you must uninstall the portmapper provided by Microsoft and then continue with the BMC Remedy AR System installation; otherwise, you can continue with the BMC Remedy AR System installation without the BMC Remedy AR System portmapper.

Assigningportnumbers">Assigning port numbers

If you do not register with the portmapper, you must assign a port number to any AR System server that you want clients to access directly, and you must assign a port number to the plug-in server.

Note

Do not assign port numbers that conflict with port numbers used by other applications or other programs running on your system. To find out which port numbers are already in use, use the netstat -na command (UNIX) or the netstat -a command (Windows) at the command prompt.

Assign port numbers greater than 1024 for the following reasons:

  • Port numbers within the range 1 – 1024 are available for use only by the superuser, and many of these numbers are reserved.
  • BMC Remedy AR System clients earlier than version 5.0 cannot access port numbers lower than 1024.

    Notes

    • When installing on Linux, the installation program crashes if you enter port 12333 for any port parameter, such as the Java Plug-in Server TCP Port Number or the AR System Server TCP Port Number. This a known JVM issue in version Java 2 Runtime Environment, Standard Edition, 1.5.0_05.
    • You can also add the ports to the TCD-Specific-Port and Plugin-Port parameters in the ar.cfg (ar.conf) file.

For more information about port numbers, go to http://www.iana.org/assignments/port-numbers.

Default port numbers

Following are the default port numbers that are assigned during BMC Remedy AR System installation:

Module

Port usage description

BMC Remedy AR System
7.1.00 and later

BMC Remedy AR System
7.5.00 and later

Email Engine

RMI

1100

1100

Flashboards

RMI

1099

1099

Mid tier

Standard Tomcat ports

  • 8005 (shutdown)
  • 8443 (SSL)
  • 8009 (AJP13 connector)
  • 8082 (proxy)
  • 8080 (stand-alone HTTP)
  • 8005 (shutdown)
  • 8443 (SSL)
  • 8009 (AJP13 connector)
  • 8082 (proxy)
  • 8080 (stand-alone HTTP)

 

ServletExec

8888 (admin)

 

Plug-in server

TCP port

Uses portmapper

Uses portmapper

Java plug-in

TCP port

9999 1

9999 1

Carte (Pentaho) server port (for Atrium Integrator

TCP

Not applicable

20000 (version 8.x and later)

FTS Java plug-in server

TCP

Not applicable

9998 (version 7.6.03 and later)

Important

If you plan to install the CMDB, ensure that the Java plug-in port number is 9999 in the following files before installing the CMDB: Plugin-Port value in the ar.cfg (ar.conf) file and Java plug-in default port number in the pluginsvr_config.xml file. The CMDB must use port 9999 for its web service.

The server does not have any default ports.

BMC Atrium Core ports

The following table lists the default port numbers for all BMC Atrium Core features.

Component

Default port

Is the port number configurable?

Supported port

NE plug-in port

9555

Yes

Any

Atrium plug-in port

9556

Yes

Any

Tomcat HTTP port

Blank

Yes

Any

Tomcat HTTPS port

Blank

Yes

Any

Note

If you are using a pre-installed Tomcat, the Tomcat HTTP Port and the Tomcat HTTPS Port fields are populated with the default port numbers. You cannot change the values in these fields.

Atrium Integrator ports

The following table lists the default port numbers for Atrium Integrator.

Component

Default port

Is the port number configurable?

Supported port

Microsoft SQL Server

1430

Yes

Any

Oracle Server

1521

Yes

Any

Related topics

Portmapper service introduction
Setting ports and RPC numbers
ar.cfg or ar.conf
Configuring the Java plug-in server

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