▻ SAP: vulnerabilities. ▻ SAP: threats from the Internet. ▻ Critical SAP services. Patch: SAP Note 1687910. My organization is looking to load balance a number of SAP Enterprise Portal instances and a schism has developed between using f5 versus the SAP Web Dispatcher for this purpose.
Hi, I just installed SAP web dispatcher with the purpose of using it (similar to saprouter for sapgui) as single point of entry for all http(s) requests to our SAP systems. I configured parameters icm/HTTP/redirect_x to accomplish that but to only limited success: How do I have to set this parameter if I want to accomplish a redirect of the web dispatcher URL (1) to the webgui service running on system ECC (2)? Web dispatcher URL: (should be routed to url:) 2. Is this posssible at all? Thanks for any hints and tips in advance! Copy Code icm/HTTP/redirect_0 = PREFIX=/ECC/webgui, FOR=sapwebdisp:85, FROM=*,TO=/irj/portal,HOST=saperpecc,PROT=HTTP,PORT=8001 If you want your client to see URL in the browser, but actual content of this would be URL forwarding/routing.
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In this case you need to use parameter wdisp/server_info_location = info.icr to point to ecc host and also icm/HTTP/redirect_0 to manipulate prefixes ECC/webgui -> sap/bc/gui/sap/its/webgui/. Regards, Slava 0 Likes 0.
1 A BasisOnDemand.com White Paper SAP WEB DISPATCHER Helps you to make decisions on Web Dispatcher implementation by Prakash Palani 2 Table of Contents 1. Purpose What is Web Dispatcher?
Can I balance the load between multiple Java / ABAP Application servers of a single SID? Is it technically possible to have a single Web Dispatcher instance to support multiple backend systems?
Are there any general guidelines on Hardware Requirement? Should I go for End-to-End SSL / SSL-Termination? What are the pros and cons of these options?
Key Points to Take Home Further Information. Purpose This paper is intended to introduce Web Dispatcher and give detailed information on the associated advantages, implementation scenarios, SSL options and hardware sizing information. In general, below are the few questions those arise from the customer when they are looking towards protection / load balancing of an SAP system. What is Web Dispatcher? Can I balance the load between multiple Java / ABAP Application server of a single SID?
Is it technically possible to have a single Web Dispatcher instance to support multiple backend systems? Are there any general guidelines on Hardware Requirement? Should I go for End-to-End SSL / SSL-Termination? What are the pros and cons of these options? We will be discussing all the above points in the following sections. What is Web Dispatcher?
The SAP Web Dispatcher is an application-level gateway (proxy) for HTTP requests to an SAP Web Application Server. The SAP Web Dispatcher is used as a software Web switch between the Internet and an SAP System. The SAP Web Dispatcher consists of one or more Web Application Servers.
As a result, you have only one point of access for HTTP(S) requests in your system. In addition, the SAP Web Dispatcher balances the load so that the request is always sent to the server with the highest capacity. It acts as the single entry point for all web requests destined for applications running on the SAP Web AS. It distributes and load balances these requests among the different application server instances. As such, the SAP Web Dispatcher represents a 'first line of defense' against all kinds of attacks at the network and protocol level - mainly denial of service attacks by network flooding, and protocol attacks via malformed URLs and HTTP requests, such as buffer overflow attacks.
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