Are customers forced to use Azure Front Door Premium SKU if they need WAF?

Pitawat 331 Reputation points
2021-11-24T06:54:22.653+00:00

I have been using Azure Front Door (non-preview version) with WAF on managed ruleset. Now I am trying out the new Standard SKU (preview) and very surprised that I cannot integrate managed ruleset WAF with this SKU. I can only set WAF rules one by one. This does not make any sense. Is it possible to use managed ruleset WAF on Front Door Standard SKU?

Am I wrong or users are forced to use the Premium SKU that includes WAF? The price difference is quite big.

Let me breakdown the cost. (Southeast Asia region)

Azure Front Door (non-preview version) with WAF managed ruleset (5 routing rules per month, excludes data transfer cost)
Front Door: 5*0.03*720 = 108 USD
WAF: 5 + 20 = 25 USD
Total: 108 + 25 = 133 USD

Azure Front Door (non-preview version) with WAF managed ruleset (9 routing rules per month, excludes data transfer cost)
Front Door: (5*0.03*720) + (4*0.012*720) = 142.56 USD
WAF: 5 + 20 = 25 USD
Total: 142.56 + 25 = 167.56 USD

Azure Front Door Standard SKU (excludes data transfer and requests cost)
Front Door: 17.50 USD
WAF: 5 + 20 = 25 USD
Total: 17.50 + 25 = 42.50 USD >> This would be great if it's possible

Azure Front Door Premium SKU (excludes data transfer and requests cost)
Front Door: 165 USD (price is discounted at 50% during preview. After GA it would be 330 USD per month?)

You can see that Premium SKU will be worth it when we have more than 8 routing rules on the non-preview tier, or more than 27 routing rules after Premium SKU is GA. Which I think is not flexible as people tend to start small and grow more rules over time. Also, it seems that we cannot easily switch from Standard SKU to Premium SKU; this is annoying as we are forced to use Premium SKU since the first day.

Am I mistaken at any point? I understand that with current pricing model, customers cannot switch between tiers/SKU and must choose the most expensive SKU since the first day if they plan to grow in the future.

I know Premium SKU includes Private Link support and other security features. But what if customers just want CDN with WAF to serve their websites and they happen to have multiple rules?

Extra question: why should customers pay for Azure Front Door if they can use Cloudflare on Pro plan that offers CDN with WAF for only $20 per month? Cloudflare doesn't even charge the data transfer fee.

Thanks.

Azure Front Door
Azure Front Door
An Azure service that provides a cloud content delivery network with threat protection.
548 questions
Azure Content Delivery Network
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Accepted answer
  1. SaiKishor-MSFT 17,141 Reputation points
    2021-12-01T08:46:21.717+00:00

    @Pitawat Thank you for your patience while I was investigating your issue internally.

    At the moment, Managed Ruleset is only for Premium SKU. We will also provide migration from AFD to AFD Standard/Premium SKU after GA, it will come post GA with private preview.

    Regarding your question on CloudFare vs Azure CDN, this really depends upon your usage and requirements. Here is a comparision between Azure CDN, AWS CDN and Cloudfare CDN as seen from this 3rd party website. Hope this helps.

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