Web Apps

Web Apps in Azure App Service provides a scalable, reliable, and easy-to-use environment for hosting web applications. Select from a range of frameworks and templates to create a web site in seconds. Use any tool or OS to develop your site with .NET, PHP, Node.js, Python and more. Choose from a variety of source control options including TFS, GitHub, BitBucket and others to set up continuous integration and develop as a team.

More details about the services are available in the App Service documentation. If you have a technical issue, please open a post on the developer forums through Stack Overflow or MSDN.

Products that we listen to in this space include: App Service, Web Apps, API Apps and Web App for Containers.

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  1. Enable users to create custom error pages for 403 and 503 service unavailable messages

    Currently 503 errors (service unavailable) present a blank white page with "service unavailable" to the users which is far from professional for us. It would be far better if we could provide a custom 503 page which would include a logo etc., and some text along the lines of "We apologise for the inconvenience, we are working on it. These issues usually resolve in about five minutes. please contact support for further help if required." or something similar.... This error might be caused by Azure network issues, so away from the web app instance.

    It would also be helpful if…

    1,583 votes
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    48 comments  ·  Flag idea as inappropriate…  ·  Admin →
  2. Add static IP address for outbound traffic without the use of App Service Environment

    There are many reasons you may want to have a static IP address for outbound connections. For example, you may be accessing a system which requires you to whitelist IP address in a firewall, such as SQL Database or an external service.

    Currently, the only way to get a static IP address for outbound connections is to use App Service Environment. App Service Environments are quite complex, and has a very high price tag. You need at least 4 instances, 2 of which must be P2, meaning you'll pay at least 1000 EUR/month. Paying 1000 EUR/month just because you want…

    1,476 votes
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    41 comments  ·  Flag idea as inappropriate…  ·  Admin →
  3. Add naked domain support to App Service Managed Certificates

    Currently naked domains are not supported when creating App Service Managed Certificates. I want to be able to create a free SSL certificate on a naked/apex domain.

    1,400 votes
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    19 comments  ·  Flag idea as inappropriate…  ·  Admin →
  4. Upgrade App Service with .NET 4.8

    Upgrade App Service with .NET Framework 4.8. Where is the date?

    708 votes
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    46 comments  ·  Flag idea as inappropriate…  ·  Admin →

    .NET Framework 4.8 support is coming to App Service.

    Public Azure cloud deployment will begin in mid-late July 2020 completing by mid-September 2020. For our Sovereign clouds, deployment will begin by mid-late August 2020 and complete by early-October 2020.

    We will update this item periodically to inform you of the deployment progress.

  5. Add button to copy Prod to Staging slot instead of swap

    When we deploy by using 'swap' the deployment slot will have an old version of the website. Since we want to use the deployment slot as a staging website, it would be great if we could copy the primary website to a deployment slot, without performing a swap.

    678 votes
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    33 comments  ·  Flag idea as inappropriate…  ·  Admin →
  6. Support Double Wildcard Custom Domains

    For multi-tenant applications, we require the ability for Azure to support double wildcard custom domains.

    Single wildcard custom domains are currently well supported, i.e.

    *.mydomain.com

    catches all unmapped, single subdomain urls e.g. level1ex.mydomain.com, level2ex.mydomain.com etc

    The issue (which isn't documented: see forum post below) is that secondary level wildcards are not supported at all by Azure:

    e.g. www.level2.mydomain.com will result in a 404 error.

    Why is this important? in a multi tenant environment, with lots of customers on different subdomains, it is best from an end-user perspective to support a www. subdomain prefix, as that's what 99% of non-technerati do…

    660 votes
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    20 comments  ·  Flag idea as inappropriate…  ·  Admin →
  7. Support App Service Managed Certificates on Free and Shared Tiers

    Allow web apps on Free and Shared tiers to use App service Managed Certificates

    535 votes
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    2 comments  ·  Flag idea as inappropriate…  ·  Admin →
  8. Scale Out wait for WarmUp complete before being added to LoadBalancer

    When adding new instances to the LoadBalancer, scale out mechanism doesn't wait for those application instances to fully warm up.

    Availability checker, via AppInsights, logs these responses, with the header:
    'X-AppInit-WarmingUp: 1'

    Which means that IIS knows that the application is in it's WarmUp cycle, but the LoadBalancer is already trying to serve requests.

    N.B. we can add a rewrite rule to redirect the user to the original request, and hope that the LoadBalancer sends the user to a ready instance - but this feels like a hack.

    466 votes
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    22 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  9. Antimalware feature on Web Apps (App Service)

    Cloud Services and Virtual Machines have an antimalware feature to protect themselves from viruses.
    However, Web Apps only protects their platform, and there is no customer-facing antimalware service now.
    If we develop an application which receives files from anonymous users with an upload form, we can't detect and get rid of the viruses.
    We strongly request the antimalware feature like that Cloud Services and Virtual Machines do.

    389 votes
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    11 comments  ·  Flag idea as inappropriate…  ·  Admin →
  10. Add Application Initialization Support for Scale Up/Down

    The application initialization/warmup feature works great when scaling out/in, but when scaling up/down requests are immediately routed to the new instances before the application is warmed up. It would be great if the new instances could be warmed up before rerouting requests to them.

    382 votes
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    4 comments  ·  Deployment  ·  Flag idea as inappropriate…  ·  Admin →
  11. Provide .NET language packs on Web Apps

    I'm working on a website that uses System.ComponentModel.DataAnnotations

    On my local machine, model validation messages are displayed in french but they are in english when I deploy the website to Azure.

    Please install .NET language packs on Azure Web Apps so we don't have to create .resx files and messy code to override .NET built-in messages...

    354 votes
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    20 comments  ·  Flag idea as inappropriate…  ·  Admin →
  12. Allow App Service to Access Secret without version

    Currently an App Service can access Secrets App Service Identity - but the secret version must be part of this configuration.

    What would be helpful is to allow the App Service to get the latest version of the secret - that way a value can be centrally changed - without having to update the App Service configuration (to use the new version of the secret).

    This will allow management of the data in the Key Vault - without requiring updates to the App Service to get the new value.

    318 votes
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    6 comments  ·  Flag idea as inappropriate…  ·  Admin →
  13. TLS 1.3 is now approved, this should be implemented with Web Apps

    TLS 1.3 is now no longer a draft, when will Azure introduce the option to enable it?

    https://tools.ietf.org/html/rfc8446

    295 votes
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    15 comments  ·  Flag idea as inappropriate…  ·  Admin →
  14. 288 votes
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    20 comments  ·  Flag idea as inappropriate…  ·  Admin →
  15. Backup failing due to shared violation error for platform generated files

    We have total around 148 web apps in our account. Backups of all the webapps are configured. But we are facing issue in one of the webapps hosting 12 webjobs in it. The issue is with backups succeeding partially and giving error "Sharing Violation" for the file "\data\jobs\continuous\WebJobs-Payroll\status_272984". This is file is not part of my site\wwwroot.
    This issue is happening with only one of the webapps, for rest of the web apps, this is working very fine. So, I am expecting same behavior for this web app as well because the issue is not due to my published code.…

    277 votes
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  16. Add a web hook to get notified of completed auto-swaps

    Deployment slots with the auto-swap feature are useful to warm up the application before making it visible. Unfortunately, it is not possible to get feedback from the operation.

    It would be nice to have a web hook that is invoked with the result of the operation (success/failure).

    274 votes
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    12 comments  ·  Flag idea as inappropriate…  ·  Admin →
  17. Ability to incrementally create/update AppSettings & ConnectionStrings

    Actual problem:
    Today if we don't provide all of the existing AppSettings or ConnectionStrings, the ones we omit are removed.

    Feature:
    A little bit like the ARM deployment mode, add the ability to specify an Incremental & Complete mode when pushing settings. To ensure compatibility, Complete would be the default, keeping the behavior we have today. If we set the mode to Incremental, only the provided settings would be created/updated, leaving existing settings untouched.

    Use cases:
    This would be very useful in cases where we want to sync AppSettings or ConnectionStrings for resources directly in our ARM templates for only…

    273 votes
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    9 comments  ·  Flag idea as inappropriate…  ·  Admin →
  18. Custom request headers in web server logs

    This is generally useful, but my usecase if with Cloudflare:

    When a web app is behind Cloudflare, all visitor IPs come Cloudflare's IPs. Cloudflare does forward the original visitor IP with a custom request header. I want to log this value in my web server logs. In IIS this is achieved with Advanced Logging, but this capability does not seem available in Azure web apps.

    https://support.cloudflare.com/hc/en-us/articles/200170666-How-do-I-correct-visitor-IP-with-Microsoft-IIS-

    246 votes
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    12 comments  ·  Flag idea as inappropriate…  ·  Admin →
  19. Make OData a first class citizen.

    Apparently OData (Microsoft's flagship REST data protocol) isn't fully supported.

    More info:

    https://social.msdn.microsoft.com/Forums/azure/en-US/7363e392-86d8-4b60-99fd-af98e128ab06/whats-the-odata-story?forum=AzureAPIApps

    quote
    "If you can manually create Swagger 2.0 metadata to describe your REST API, it will work perfectly."
    /quote

    Assuming it's true that swagger can't do OData, I would think that fact alone would've precluded swagger as an option.

    Additionally, whatever the reason swagger cannot create metadata for a WebAPI OData project should have been addressed before launch.

    Regardless, please fix this.

    233 votes
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    3 comments  ·  API Apps  ·  Flag idea as inappropriate…  ·  Admin →
  20. Azure App Service Backup Alerts

    Could email notifications please be added to the Azure App Service Backups. It would be nice to be notified on a daily/weekly basis if the backups of my App Services and completing successfully, partially successfully or failing.

    225 votes
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    15 comments  ·  Notifications  ·  Flag idea as inappropriate…  ·  Admin →
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