Download speeds of uncached items when using Front Door in front of Blob Storage very slow even from Azure VMs in same region
I have the following set up: Azure Blob Storage in South Africa North Azure Front Door with CDN back by the Blob Storage Azure managed Windows 11 Virtual Machine in South Africa North When I download a 120MB (megabyte) file which happens to be…
Azure Front Door Health Probe failing
I have an Azure Front Door Premium. The health probes are failing. I know that the app is working on the back end origin because I can hit it with the Azure App Gateway using a local internal V-net address and the app is responding just fine. However if…
Secure approval of Front Door Private Link connections
I am using Front Door Premium with Private Link connectivity to App Services, per this document: https://learn.microsoft.com/en-us/azure/frontdoor/private-link I am deploying this using code, and would like to securely automate the approval of the…
Append URL param to redirected URL via Redirect rule
Hi, lets say I have a domain: abc.com which I want to redirect to different domain: xyz.com. I understand that 308 redirect URL rule will make this possible. However, how can I redirect a request by not only preserving the query string, but also…
Azure Storage Account - Public Access via Azure Front Door Endpoint - Firewall Setting
Hi, I have a storage account static website being accessed via Azure FrontDoor. It works well with "Public network access" option set to "Enabled from all networks". If I set it to "Enabled from selected VNETs and IPs" I'll…
Front Door URL redirect not routing to Azure app
Say I have an Azure app service - abc.com Now I have another Azure app service - hub.com I want to reroute abc.com/hub to hub.com but maintain the URL as - abc.com/hub Currently I have setup two origin groups and routes for each. Also a rule set which…
Front Door Log Analytics Workspace Cost
Hi, I have a question about Diagnostic Settings in Azure Front Door Premium. Currently the Azure Front Door Premium resource has Diagnostic Settings configured to use Log Analytic Workspace and its costing nearly one third of our total Azure spend.…
Tell me more about NumberOfProbes in Azure Load Balancer
Tell me more about how to identify the impact to our environment, after the retirement of NumberOfProbes in Azure Load Balancer.
Azure CDN returns OriginCertificateSelfSigned with Let's Encrypt cert
We are configuring Azure CDN to access our server that is not on Azure. We configured the CDN and access via HTTP works correctly. However, we have enabled HTTPS and we are receiving the error x-azure-externalerror: OriginCertificateSelfSigned. The…
How to set Content Security Policy for Application Insights in Interop mode for Azure App Service with Azure Front Door?
Greetings, I am getting this error message when I inject Application Insights into my dotnet core webapp and I have no luck setting the appropriate Content Security Policy (CSP) with Azure Front Door's rule engine Refused to load the script…
Azure Front Door URL Rewrite rules not working as planned
I have set up Azure Front Door. There are several App Services set up as such: https://www.thisismydomain2021.com/appservice1 --> https://this-is-my-app-service-1.azurewebsites.net https://www.thisismydomain2021.com/appservice2 --> …
Want to deploy front door in Hub-Spoke architecture to use custom domain for ADB2C, using private endpoint
I am looking to deploy one Azure front door, we are in Hub Spoke architecture. Front door - will be deployed in Hub AD B2C - in different spoke, will be peered with Hub. I want to configure in a way that no public access is allowed on both frontdoor and…
Azure FrontDoor WAF rate limit unexpected behavior
Hi, recently I configured WAF on Azure FrontDoor, but I noticed that the “rate limit” feature not working as expected. I have 2 rules configured with “rate limit”: Then I used the following batch script to make requests to my URL: @echo…
Azure AD B2C can't set cookie with cross domain.
I have a custom domain set and verified in the Microsoft Entra ID. I also have Azure Front Door Classic that will route the request to my azure b2c tenant. i.e: accounts.contoso.com/tenant.onmicrosoft.us/.../authorize -> Azure Front door Classic…
How to limit Azure Front Door Cipher Suites Manually?
Hi, Right now there is a preview feature for Min TLS Cipher Suite on app Services and I know that we have a premium feature for End-to-end TLS with Azure Front Door. We are using Azure Front Door for our Static Website and we have the Premium tier…
How to limit Azure Front Door Cipher Suites Manually - Repeat
Previous thread stated; "Since this thread is too old, I would recommend creating a new thread on the same forum with as many details about your issue as possible. That would make sure your issue has better visibility in the community" Hence,…
LUCKY13 attack on Azure Front Door with TLS 1.2
Hi there, We currently have a solution that utilizes the Front Door setup with a custom domain and an AFD managed certificate. It has been configured to meet the minimum requirement of TLS 1.2. However, during a pen-test phase, it was discovered that the…
Front door doesn't return 304 even if ETag matches
Hello! I am being charged significant amount for outbound traffic from Azure front door. So we started to dig in and I found out that the server returns 200 and full response even when it should return 304 with empty body. The response ETag matches with…
AFD Premium - Redirect adds a Trailing Slash when redirecting to mobile app
Hello, We have an OpenID Connect provider behind an Azure Front Door Classic, and everything is working as expected. We are currently migrating our infrastructure to a new Azure tenant where we have deployed the same application behind an Azure Front…
Front Door responds with OriginTimeout after ~4 seconds despite larger timeout setting
Hi! We have 90 seconds timeout configured as the origin timeout setting. However, from time to time Front Door fails just after 4 seconds with OriginTimeout setting, something like below. It looks like these requests don't even reach the origin. What…