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[men]

TCP ports are used by programs to communicate through the network. When a program A needs to query a program B, B must open a communication port first. The communication port is open by B on the machine where it runs.

If there is a firewall between A and B, the network administrator needs to open the firewall for that port number, from A towards B.

All the communications in Sysload use a proprietary protocol based on TCP/IP (except for web servers and SNMP interfaces when applicable).


FIXED PORT NUMBERS

The reception port numbers used by Sysload programs are as follows:
- All System Collectors (except VMware ESX): 9501
- ESX Collector: 9529
- Oracle Collector: 9503
- Sybase Collector: 9504
- SQL Server Collector: 9505
- SAP Collector: 9506
- Informix Collector: 9507
- DB2 Collector: 9508
- Lotus Collector: 9509
- IIS Collector: 9527
- Exchange Collector: 9513
- Active Directory Collector: 9510
- SAP Collector: 9506
- Network Collector: 9600
- Feedback IP Collector: 8001
- File Server: 9502
- Communication Server: 9900
- Token Server, to request tokens: 9555
- Token Server, web server: 9557
- Log Monitor: 9528
- ERM, web server: 80
- SP Portal, web server: 80

Notes:
- Wherever there is a Collector program, there should be File Server running on the same machine, hence the utilization of 2 port numbers.
- The above port numbers can be changed by modifying the configuration file of the respective programs.


DYNAMICALLY ALLOCATED PORT NUMBERS

The following programs use a port number that is (by default) dynamically allocated (port number not known in advance):
- Management Server, to listen to Communication Server
- Management Server, to listen to alerts sent by Collectors
- Script Monitor
- Event Router
- Alert Gateway, to listen to the agents
- Alert Gateway, to listen to the consoles

Note:
- The above port numbers can be fixed by modifying the configuration file of the respective programs.


OTHERS

The following programs do not use any communication port:
- Log Analyzer

The following programs do no longer use any communication port since version 4.81:
- Observer: Dynamically allocated