Is there a way to configure header size limit for Azure Application Gateway?

Ahsan Abbas 21 Reputation points
2022-06-29T08:35:41.34+00:00

We're using Application Gateway V2 for which I know header size limit is 32KB. Is there a way we can configure and increase this limit for requests having bigger header size that 32KBs?

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
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  1. Tchimwa Sougang 941 Reputation points Microsoft Employee
    2022-06-29T15:09:13.337+00:00

    @Ahsan Abbas Thank you for your question. Unfortunately, as of now it is not possible to increase the size of the header. The only thing you should be able to increase using the WAF is the request body size and the File upload.

    https://learn.microsoft.com/en-us/azure/web-application-firewall/ag/application-gateway-waf-request-size-limits#limits

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  1. PauloLandim-2348 0 Reputation points
    2024-07-12T12:49:28.8+00:00

    How can I check the actual size to confirm that the limit is set?

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