Azure CDN setup for Multisite azure webapp

Chandu 0

I'm seeking guidance on the optimal CDN configuration for a multi-site Azure Web App protected by an Azure Application Gateway Web Application Firewall (WAF). Our Web App hosts over 10 live websites, each with its unique custom domain. What is the recommended approach for implementing a CDN in this scenario?

Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-23T17:59:58.3633333+00:00
Hi Chandu,

Greetings of the day!

Welcome to Microsoft's Q&A platform! Thank you for asking this inquiry.

Please refer to the instructions below if you would like to configure Azure CDN configuration for Multisite Azure Webapp in a manner comparable to what you want to accomplish.

Refer: https://learn.microsoft.com/en-us/samples/azure/azure-quickstart-templates/front-door-standard-premium-application-gateway-public/

If the above documentation didn't work, please pass the below information to understand the setup more in detail to get the required solution?

How are you hosting the multisite web application, and are you hosting any custom domains?

Tell me how you set up the Azure front door so that it can use its own custom domain when it is in the front of front door.

Question: We use the SiteDefinition.config file to direct traffic to the specific websites. Given this setup, what is the best way to configure a CDN?

Refer: https://learn.microsoft.com/en-us/azure/cdn/cdn-add-to-web-app

This documents clearly explains the need of your answer please go through this document to further understand the setup what you want to achieve.

If you are still facing any further issues, please don't hesitate to reach out to us.

We are happy to assist you.

Looking forward to your response and appreciate your time on this.

Regards,

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-24T14:20:04.38+00:00
Hello Chandu,

Good day!

I would like to follow up with the thread.

Is your Issue has been resolved or please let me know regarding the issue. (OR)

Could you please go through the last comment and provide us the required information to drive the thread further.

If you need any further assistance, please don't hesitate to reach out to us.

We are happy to assist you.

Regards,

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-25T17:54:44.78+00:00

Hello Chandu,

Good day!

I hope you are having a fantastic day.

Just dropping in to see if you had a chance to read my response to your query about correcting the issue. If you have any further concerns, please do not hesitate to contact us.

We are pleased to help you.

I look forward to your response and appreciate your time on this.

Best wishes,

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-26T13:57:36.4733333+00:00

Hi Chandu,

Greetings!

I was just checking in to see if you had a chance to read my answer to your question regarding fixing the problem. Do not hesitate to get in touch with us if you have any more questions.

We are happy to assist you.

I value your time and look forward to hearing from you on this.

Warm regards,

Ganesh
Chandu 0 Reputation points

2024-09-26T15:19:34.77+00:00

Hi Ganesh,

Thank you for your response.

We are hosting Sitecore websites on an Azure multisite web app, which means we are hosting multiple different websites, each with its own custom domain. Additionally, we use the SiteDefinition.config file to direct traffic to the specific websites. Given this setup, what is the best way to configure a CDN? Pls let mee know if you need more info on this.

Regards!
Chandu 0 Reputation points

2024-09-26T15:22:43.9366667+00:00

FYI - Also, this azure web app behind the Azure application gateway WAF V2 and we have multiple listeners with same backend pool (Azure web app)

Regards!
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-26T19:06:16.23+00:00

Hello Chandu,

Greetings,

Refer: https://learn.microsoft.com/en-us/azure/cdn/cdn-add-to-web-app

This documents clearly explains the need of your answer please go through this document to further understand the setup what you want to achieve.

Please let me know is this helped you are not.

We are happy to assist to you.

Regards,

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-27T19:05:51.6366667+00:00

Hello Chandu,

Greetings,

I'd like to continue with the thread.

Just checking to see whether you received my response to your question.

Please let us know if this was helpful, and please contact us if you have any more questions.

We are here to help.

Best wishes!

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-09-30T12:31:05.1633333+00:00

Hello Chandu,

Greetings,

I'd like to continue with the thread.

Just checking to see whether you received my response to your question.

Please let us know if this was helpful, and please contact us if you have any more questions.

We are here to help.

I value your time and look forward to hearing from you on this.

Best wishes!

Ganesh
Chandu 0 Reputation points

2024-10-02T15:15:52.0833333+00:00

I gone through those documents I was helpful but it not clarify me need at this point of time so I again drafting my correct requirement is want to setup CDN in production environment so basically my azure web app is behind the azure Application gateway waf v2 and the web app has more than 20 production individual web sites each website has its custom domains like www.contoso.com and www.google.com and etc.. up to 20 domains so for this setup what is correct way to setup azure cdn and ensuring all the websites media content is loaded through azure cdn so to achive this requirement do I need to create one azure endpoint with multiple origins or do I need to create 20 end points? Regards!
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-10-07T10:44:27.0333333+00:00
Hello Chandu,

I hope you are doing well!

I wanted to make sure you had an opportunity to read the response to your query in terms of fixing this issue.

Do not hesitate to contact us if you are still experiencing issues. We are pleased to help you.

I value your time and look forward to hearing from you on this.

Best wishes,

Ganesh
Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-10-08T14:23:02.02+00:00
Hello Chandu,

Greetings!

I wanted to make sure you had an opportunity to read the response to your query in terms of fixing this issue.

Do not hesitate to contact us if you are still experiencing issues. We are pleased to help you.

I value your time and look forward to hearing from you on this.

Best wishes,

Ganesh

1 answer

Ganesh Patapati 810 Reputation points Microsoft Vendor

2024-10-04T18:54:44.71+00:00
Hello Chandu,

Welcome to the Microsoft Q&A Platform. Thank you for reaching out & I hope you are doing well.

In your scenario, creating a single Azure CDN endpoint with multiple origins is the recommended approach for serving media content from your 20 production websites behind an Azure Application Gateway (WAF v2). Here's why:

Azure Content Delivery Network offers the following key features:

Dynamic site acceleration

Content delivery network caching rules

HTTPS custom domain support

Azure Diagnostics logs

File compression

Geo-filtering

The following are the restrictions for content delivery networks:

ResourceLimitAzure Content Delivery Network profiles25Azure Content Delivery Network profiles25Content Delivery Network endpoints per profile25Custom domains per endpoint25Refer: https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits#content-delivery-network-limits

If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution.

Your contribution is highly appreciated.

Best wishes,

Ganesh
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