Administration of the SAP Web Dispatcher

This documentation describes how to configure and manage the SAP Web Dispatcher.

Architecture

More information about the architecture and function of the SAP Web Dispatcher: Architecture and Function of the SAP Web Dispatcher.

Prerequisites

The SAP Web Dispatcher must be installed. More information about installation: Importing the SAP Web Dispatcher.

Tasks

Below is a list of the most important administration tasks.

Start and stop	Operating the SAP Web Dispatcher describes how you start and stop the SAP Web Dispatcher. Here you will also find the prerequisites for operating the SAP Web Dispatcher.
Parameterization/configuration	SAP Web Dispatcher Parameters describes the profile parameters for configuring the SAP Web Dispatcher. The settings should be appropriate for normal operation. Caution When you set the maximum values, note that unnecessarily large values can increase the Memory Requirement of the SAP Web Dispatcher. End of the caution. Example You can find an example of an SAP Web Dispatcher’s profile file in Example: Profile File of an SAP Web Dispatcher. End of the example. More information about linking logon groups to the Web Dispatcher: Assigning Logon Groups.
Administration & Monitoring	You can use the Web administration interface to administrate, monitor, and set traces in, the SAP Web Dispatcher. The process is described in the section Using the Web Administration Interface. Alternatively, you can access the Web Dispatcher administration and monitoring functions from the command line. More information: Using the icmon and wdispmon Command Line Programs. You should only use these if you have problems with the Web administration. You can also send operating system signals to the SAP Web Dispatcher. This can be useful if you want to execute functions in shell script. The SAP Web Dispatcher knows the same signals as the Internet Communication Manager (ICM). More information: Using Signals to Control the ICM / Web Dispatcher. If you are working with the System Landscape Directory, you can register the Web Dispatcher in this. More information: Registering the SAP Web Dispatcher in the SLD.
Modification of HTTP requests	You can configure the Web Dispatcher so that it modifies incoming HTTP requests before it forwards them to the application server. You can manipulate header fields, filter (reject) specific requests, reformulate URLs, and so on. You can find more information under Modifications of HTTP Requests.
Communication with the message server / application server using SSL	You can make the exchange of metadata with the message server and application servers secure by encrypting the data with SSL. More information: Setting Up Meta Data Exchange Using SSL.
Handling HTTPS requests	The SAP Web Dispatcher can handle HTTPS requests in different ways: End-to-End SSL Decrypts them and forwards them unencrypted Decrypt and encrypt them again These options are described in SAP Web Dispatcher and SSL. You can find information about SSL configuration of the Web Dispatcher in Configuring SAP Web Dispatcher to Support SSL, as well as in SDN under http://www.sdn.sap.com/irj/sdn/howtoguides under Web Application Server.
Setting up error handling	You can configure the behavior of the SAP Web Dispatcher when responding to errors. More information: Background Processing.
High Availability	To find out how to make the SAP Web Dispatcher a high availability solution, refer to Architecture of the SAP Web Dispatcher.