SAP Webdispatcher - Reverse Proxy Configuration

[Former Member]

Hi All,

Need your help in configuration SAP Webdispatcher as reverse proxy. Currently we are using Apache as reverse proxy, but we are facing 400 Bad Request error and not able to solve the issue.

So We are planning to install Webdispatcher and configure reverse proxy and test.

Below is the Apache Reverse proxy configuration. Need help in configuring the same parameters in SAP Webdispatcher

ProxyPass /sap http://srmerver:8000/sap

ProxyPass /SRM-MDM  http://mdmserver:50100/SRM-MDM

ProxyPass /mdmimages http://portalserver:8090/mdmimages

ProxyPass /irj http://portalserver:50100/irj

ProxyPass /saml2 http://portalserver:50100/saml2

ProxyPass / http://portalserver:50100/　

ProxyPassReverse /sap http://srmserver:8000/sap

ProxyPassReverse /SRM-MDM  http://mdmserver:50100/SRM-MDM

ProxyPassReverse /mdmimages http://portalserver:8090/mdmimages

ProxyPassReverse /irj  http://portalserver:50100/irj

ProxyPassReverse /saml2 http://portalserver:50100/saml2

ProxyPassReverse /  http://portalserver:50100/

Regards

Ponnusamy

[Sriram2009]

Hi

Kindly refer the SCN link

http://basisondemand.com/Documents/Whitepaper_on_SAP_Web_Dispatcher.pdf

http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a015cea3-9627-2e10-a792-8f39e3d0b...

Regards

Sriram

[Former Member]

Hi Atul,

Added the parameter as per the Note -1027676, but still getting the error.

Sriram,

I followed the document, I am do to reverse proxy for Portal and able to access portal over internet.

But getting failed for Backend SRM pages.

Can you please help to with redirect rule for SRM applications.

Regards

Ponnusamy

[Former Member]

You need to configure SAP Web Dispatcher for multiple systems (portal, MDM and SRM), see this link for details. Regarding your Apache problem, I remember having the same issue a few years back. You have to increase logging in Apache and use Fiddler, HttpFox, HTTPwatch, etc. to find out what application causes the bad request and why. Usually there is a fix and if there isn't SAP support can provide you one.

[AtulKumarJain]

Hi Ponnusamy,

Please check below sap note it will help you

1027676 - Problems using SAP Web dispatcher and Apache proxy

835762
- Integrated ITS and SAP Web Dispatcher/reverse proxy

Best Regards,

Atul