Reverse Proxy More than one webgui?

To: Nick and all who use reverse proxy clients
Thanks for the hints so far.
I am stuck when trying reverse proxy more then one backend webgui. We have
a portal that takes an iview and sends all the request for backend webgui to
the reverse proxy address. This fulfills the requirement to only open up one domain address and support and manage on SSL key later on.
The /sap Rewrite tag works great for this and we pointed successfully to the EB system.
The sticky point:
How do we distinguish from one webgui server EB from another i.e BW.
We need to distinguish one incoming /sap from another.
We started with leveraging the SICF and the external URL alias that would serve up the /sap URL as /sapebd. Unfortunately the /sapebd external alias did work some but the contents of the generated page continues to reference the /sap instead of /sapebd. (Manually change it to /sapebd from a browser and the gif,.css.js etc will be served up) .
Looking for some good suggestions. (Below included sample statements)
Thanks,
Mich
</VirtualHost>
#This host is used for the meta refresh redirect page.
<VirtualHost my.domain.com:80>
ReWriteEngine On
ServerName my.domain.com:80
ProxyPreserveHost on
DocumentRoot "/var/www/html/qaroot"
DirectoryIndex index.php index.html index.htm index.shtml
ErrorLog logs/qaroot-error_log
TransferLog logs/qaroot-access_log
Portal proxy statements - one proxy all works fine
ProxyPass /irj http://portal.domain.com:50000/irj
ProxyPassReverse /irj http://portal.domain.com:50000/irj
ProxyPass /webdynpro http://portal.domain.com:50000/webdynpro
ProxyPassReverse /webdynpro http://portal.domain.com:50000/webdynpro
ProxyPass /useradmin http://portal.domain.com:50000/useradmin
ProxyPassReverse /useradmin http://portal.domain.com:50000/useradmin
ProxyPass /logon http://portal.domain.com:50000/logon
ProxyPassReverse /logon http://portal.domain.com:50000/logon
#EBD proxy statements
Try number 1 leaving it at sap and it works well to one back end system
#RewriteRule ^/sap(.*) http://ebd.domain.com:8000/sapebd/$1 [P,L,NE,QSA,R]
#ProxyPassReverse /sap http://ebd.domain.com:8000/sap
Try number 2 defined an external alias using SCIF - works a litlle
but then the webgui responds with the a lot of "/sap" references
RewriteRule ^/sapebd(.*) http://ebd.domain.com:8000/sapebd/$1 [P,L,NE,QSA,R]
ProxyPassReverse /sapebd http://ebd.domain.com:8000/sapebd
</VirtualHost>
Message was edited by: Mich Wilhelmi

hi,
>I know that is not possible to connect two different XI system to the same R/3; so, how can I manage this situation without affect the other XI?
this is not true...
there is way to use SPROXSET table for that reason
but it has to be done in a very carefull way
Regards,
Michal Krawczyk
http://mypigenie.com XI/PI FAQ

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