2.5 Connection configurations for Application Server

Application Server operates by communicating with processes on its components (such as Java EE servers, web servers, and domain administration servers), and peripherals (such as load balancers, DBMSs, and clients). This section explains connection relationships between these processes, and the port numbers used by these processes.

The following figure illustrates connection relationships for Application Server.

[Figure]

The following table shows the port numbers of the ports used by each process of Application Server, whether port numbers can be changed, whether bound IP addresses can be specified, whether ports can be opened and closed, and communication clients.

Process	Numbers in the diagram	Description	Default port number/TCP or UDP	Can the port number be changed?	Can the IP address be specified?	Can the port be opened and closed?^#1	Communication client
Web server	1	HTTP request reception port	80/TCP	Y	Y	Y	Web client on the local machine or a remote machine
Web server	2	HTTPS request reception port	443/TCP	Y	Y	Y	Web client on the local machine or a remote machine
Domain administration server	3	Port for the domain administration server	4848/TCP	Y	Y	N^#2	The `asadmin` utility command on a remote machine or the local machine including an application execution environment computer
	4	HTTP request reception port	8080/TCP	Y	Y	Y	Administration Console on the local machine or a remote machine
	5	HTTPS request reception port	8181/TCP	Y	Y	Y	None
	6	JMX request reception port	8686/TCP	Y	Y	Y	JMX client on the local machine or a remote machine
	7	Communication port for IIOP	3700/TCP	Y	Y	Y	None
	8	Communication port for IIOP/SSL	3820/TCP	Y	Y	Y	None
	9	Communication port for IIOP/SSL with mutual authentication	3920/TCP	Y	Y	Y	None
	10	Communication port for the Java debugger	9009/TCP	Y	Y	Y	None
	26	Port for the JMS Provider	7676/TCP	Y	Y	Y	None
	27	GMS listener port	9090-9200/TCP	Y	Y	Y	Java EE server on the local machine or a remote machine
	28	GMS multicast port	2048-49151/UDP	Y	Y	Y	Java EE server on the local machine or a remote machine
	29	TCP port for Message Queuing	Ephemeral port/TCP	Y	Y	Y^#3	None
	30	Port for Message Queue Administration	Ephemeral port/TCP	Y	Y	Y^#3	None
	31	Port for Message Queue RMI Registry	Ephemeral port/TCP	N	N	Y^#3	JMX client on the local machine or a remote machine
Java EE server	11	Port for the domain administration server	24848^#4/TCP	Y	Y	N^#2	Domain administration server on the local machine or a remote machine
	12	HTTP request reception port	28080^#4/TCP	Y	Y	Y	Web Server on the local machine or a remote machine
	13	HTTPS request reception port	28181^#4/TCP	Y	Y	Y	None
	14	Communication port for JMX	28686^#4/TCP	Y	Y	Y	JMX client on the local machine or a remote machine
	15	Communication port for IIOP	23700^#4/TCP	Y	Y	Y	EJB client on the local machine or a remote machine Application Client Container on the local machine or a remote machine
	16	Communication port for IIOP/SSL	23820^#4/TCP	Y	Y	Y	EJB client on the local machine or a remote machine Application Client Container on the local machine or a remote machine
	17	Communication port for IIOP/SSL with mutual authentication	23920^#4/TCP	Y	Y	Y	EJB client on the local machine or a remote machine Application Client Container on the local machine or a remote machine
	18	Port for the JMS Provider	27676^#4/TCP	Y	Y	Y	Java EE server on the local machine or a remote machine
	20	GMS listener port	9090-9200/TCP	Y	Y	Y	Java EE server on the local machine or a remote machine
	21	GMS multicast port	2048-49151/UDP	Y	Y	Y	Java EE server on the local machine or a remote machine
	22	TCP port for Message Queuing	Ephemeral port/TCP	Y	Y	Y^#3	Java EE server on the local machine or a remote machine
	23	Port for Message Queue Administration	Ephemeral port/TCP	Y	Y	Y^#3	Java EE server on the local machine or a remote machine
	32	Port for Message Queue RMI Registry	Ephemeral port/TCP	N	N	Y^#3	JMX client on the local machine or a remote machine
SSH daemon	24	Listening port on an SSH server	User-specified (22)/TCP	^#5	^#5	^#5	Domain administration server on the local machine or a remote machine
Java EE server	25	Port for connecting to the Felix Shell	26666^#4 /TCP	Y	N^#6	N	Telnet client on the local machine

Legend:

Y: It is possible to change port numbers, specify IP addresses, and open and close ports.

N: It is not possible to change port numbers, specify IP addresses, or open or close ports.

#1: Indicates whether users can open and close the port.
#2: This port is required for the corresponding process and always opens when that process starts.

#3: These ports open and close in sync with the JMS Provider port.

#4: You can specify the IP address with a command option. If you omit the option, the first Java EE server is created by using the default IP address. For the second and subsequent Java EE servers, IP addresses are automatically set by the domain administration server during server creation.

#5: This possibility differs depending on whether an SSH daemon is installed.

#6: This port is closed by default.

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