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External facing portal

Former Member
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Hi Experts,

As requested by client we built external facing portal but having one issue like

every thing is wotrking fine but when the user clicks to check the appraisal template

it is giving error like only for the R/3 related like T-code, BSP application

Address Not Found

Firefox can't find the server at

The browser could not find the host server for the provided address.

  • Did you make a mistake when typing the domain? (e.g. "" instead of "")

  • Are you certain this domain address exists? Its registration may have expired.

  • Are you unable to browse other sites? Check your network connection and DNS server settings.

  • Is your computer or network protected by a firewall or proxy? Incorrect settings can interfere with Web browsing.

waiting for your response .............



Accepted Solutions (0)

Answers (2)

Answers (2)

Former Member
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Check your System connection if you didn't setup any yet or if you do, check the setup you did for the Property Category "Web Application Server (Web AS) which is used as the server or host for all BSP Iviews.

Go to System Administration -> System Configuration -> Systems folder (it could be located under another custom folder) and then double-click yor SAP server connection created. Select Property Category "Web Application Server".

Now, log into your SAP server then SE80 and go to your BSP Application or any one. Double-click the initial page of the BSP App and press Execute or F8. The browser will open showing the BSP page. Check on top the URL and copy the portion from the beginning until the port number (8000), excluding HTTP://. Go back into your portal and paste the link into the "Wes AS host name field" in the Property Category "Web Application Server". Then go back into your BSP page tested or executed in the browser and copy the rest of the URL, after the port number, and go back to the Portal and paste it into Web AS Path field. Be sure Web AS protocol HTTP is selected and put a description in Web AS Description. Save it. You can choose Connetion test in order to test the Web AS connection or go into your appraisal template and test it.

Good luck,


Active Contributor
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Dear Shilpa,

Your talking about an external facing portal, so the portal is connected to the WWW (direct or indirect via a Web Dispatcher or other reverse Proxy) correct?

Please be aware that iviews of the type:

- Transaction



- WD Abap

Only initiate the connection to the applications. From that point on all actions/data needs to transfer from the client (the user hih/her browser) to the server that the actual application is running on.

If your firewalls and/or reverse proxies are not configured in a way to support that then that could cause this behaviour.

For example:


You might think that is works like the example scheme above but that is not the case.

When you open one of the iview types as mentioned before the portal will render an IFrame tot the backend ECC system on de HTTP port. But if you only allow access on the external port 80 to be routed to the portal http port running on 50000 then this will cause problems.

If you provide more details of your landscape the SDN community can help you much better...



Former Member
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Hi Benjamin,

Thanks for your immediate response. we didn't make any settings we are unable to view the

data in external facing portal what should i do to make this type of iviews to view in external

facing portal what type of settings should i make to do this we didn't made access to 80 port

so please provide me the solution to resolve this issue.

version of ep is ep7.0 sp13

ess/mss is 13

please help me in this ...

waiting for your response ...



Active Contributor
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Dear Shilpa,

The port 80 was an example...

What you must do is make a list of all the services and servers you want to expose to the outside world.

So for the portal this will be the HTTP port: 5NN00 where NN is the Instance ID.

For ITS, IAC, BSP and WD for ABAP based applications that are running on the Backend ECC system this is usually 80NN where NN is the Instance ID.

After you made that list that sort of looks like this

- Portal;; Port: 5NN00; URLs: /irj*, /webdynpro *

- Backend/ECC;; Port: 80NN; URLs: /sap*

Then with this list contact your SAP BASIS and/or Netrwork Infra guys that these services need to be opened up to the outside world and ask them to put a reverse proxy with url redirecting in front of it.

I'm not sure if we are talking about the same stuff as I can not imagne that there are no infra and/or basis guys assigned to your project to facilitate this....

Good Luck,


Former Member
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Thanku so much for your response but in our project we dont have BASIS support

we need to communicate with client BASIS they just tell us to send the process so that we will do so

please help me how to do reverse proxy is there any settings if so

please help me in this

waiting for your response.



Former Member
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May be following link might help you :-

Configuring Apache Web Server as Intermediary Server(reverse proxy)

Configure reverse proxy (web dispatcher):-

anonymous :-