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Accessing Aras Innovator instance outside the network using Ngrok Tunneling

nagendra
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Hello Team,

I have installed Aras Innovator 2023 on Windows Server 2022 successfully. I can log in to the Innovator Instance using the localhost URL on the server and the hostname_server URL on the same network machine without any error. I am using the Ngrok Tunneling Client to forward the static domain to the local host to access the innovator Instance outside the network. While doing so, I am receiving an error that states "Error: Cannot access OAuth Server due to CORS policies". 

Below is the command used for Ngrok tunneling

cmd: ngrok --domain=xxx.yyy 80 --host-header=Access-Control-Allow-Origin

where xxx.yyy is the static domain name

Also, I have modified the below-given line in the <customHeaders> section of ...\Innovator\Server\web.config.

WAS: <add name="Access-Control-Allow-Origin" value="*" />

IS: <add name="Access-Control-Allow-Origin" value="https://xxx.yyy" />

Finally, I followed the below steps to solve the issue which didn't help though. [Reference: https://github.com/ArasLabs/aras-workflow-approval/issues/1]

The following steps will also avoid the CORS error:

  1. Open the IIS Manager.
  2. Select your Aras Innovator instance from the site list in the Connections pane.
  3. In the center pane, select HTTP Response Headers from the IIS section.
  4. In the Actions pane on the right, select Add…
  5. Add a header with the following values:
    • Name: Access-Control-Allow-Headers
    • Value: database, authpassword, authuser, soapaction, content-type
  6. Click Add… again and add another header with the following values:
    • Name: Access-Control-Allow-Origin
    • Value: https domain to whitelist or *

Ngrok Log:

Client Error:

Note: The above approach is for testing purposes only.

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    Based on the information you provided, it seems that you have already taken several steps to address the CORS (Cross-Origin Resource Sharing) error when accessing your Aras Innovator instance through Ngrok tunneling. However, it appears that the issue persists.

    Here are a few additional suggestions you can try to resolve the CORS error:

    1. Double-check the modified line in the <customHeaders> section of the web.config file: Ensure that the value attribute is set correctly to "">https://xxx.yyy". Verify that there are no typos or extra spaces in the value.

    2. Restart the Aras Innovator server: After making changes to the web.config file, it's essential to restart the Aras Innovator server for the modifications to take effect. Restart the server and check if the CORS error still occurs.

    3. Verify the headers in the IIS Manager: Open the IIS Manager and navigate to your Aras Innovator instance. In the center pane, select "HTTP Response Headers" from the IIS section. Ensure that the headers you added are present and correctly configured with the expected values.

    4. Test with a different tunneling solution: Since you mentioned that you are using Ngrok for tunneling, you might consider trying an alternative tunneling solution, such as localtunnel or ngrok alternatives like Serveo or PageKite. It's possible that using a different tunneling service could help bypass the CORS error.                    tunnel rush

    5. Seek assistance from Aras Innovator community or support: If the issue persists despite your efforts, it would be beneficial to reach out to the Aras Innovator community or support team. They may have specific insights into configuring CORS for Aras Innovator instances or be able to provide additional troubleshooting guidance.

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  • Offline

    Based on the information you provided, it seems that you have already taken several steps to address the CORS (Cross-Origin Resource Sharing) error when accessing your Aras Innovator instance through Ngrok tunneling. However, it appears that the issue persists.

    Here are a few additional suggestions you can try to resolve the CORS error:

    1. Double-check the modified line in the <customHeaders> section of the web.config file: Ensure that the value attribute is set correctly to "">https://xxx.yyy". Verify that there are no typos or extra spaces in the value.

    2. Restart the Aras Innovator server: After making changes to the web.config file, it's essential to restart the Aras Innovator server for the modifications to take effect. Restart the server and check if the CORS error still occurs.

    3. Verify the headers in the IIS Manager: Open the IIS Manager and navigate to your Aras Innovator instance. In the center pane, select "HTTP Response Headers" from the IIS section. Ensure that the headers you added are present and correctly configured with the expected values.

    4. Test with a different tunneling solution: Since you mentioned that you are using Ngrok for tunneling, you might consider trying an alternative tunneling solution, such as localtunnel or ngrok alternatives like Serveo or PageKite. It's possible that using a different tunneling service could help bypass the CORS error.                    tunnel rush

    5. Seek assistance from Aras Innovator community or support: If the issue persists despite your efforts, it would be beneficial to reach out to the Aras Innovator community or support team. They may have specific insights into configuring CORS for Aras Innovator instances or be able to provide additional troubleshooting guidance.

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