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Networking

The Networking forum covers all aspects of Networking in Azure, including endpoints, load-balancing, network security, DNS, Traffic Manager, virtual networks, and external connectivity.

Virtual Network:

  • Service overview

  • Technical documentation

  • Pricing details

  • Traffic Manager:

  • Service overview

  • Technical documentation

  • Pricing details

  • Network Watcher:

  • Service overview

  • Technical documentation

  • Pricing details

  • If you have any feedback on any aspect of Azure relating to Networking, we’d love to hear it.

    • Hot ideas
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    • My feedback
    1. Add MTOM support to the Microsoft WAF

      We currently have a use case for utilizing MTOM to more efficiently transmit binary data in a SOAP-based service.

      We are also trying to place the application behind a Microsoft WAF in Azure, but are unable to do so due with the WAF in prevention mode as the WAF does not currently support/allow MTOM requests.

      We reached out to Azure support and were told that:

      "MTOM is not supported and it's not yet on implementations plans".

      We are requesting that the Microsoft WAF team add support for making MTOM calls to a service that go through the WAF.

      17 votes
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      1 comment  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    2. Support for temporary removing nodes through REST API

      It would be great if there was a REST API or something similar we could use to take a node out of rotation without being dependent on the probe detecting it.

      Usecase: We run SF behind the Application Gateway. When we update our front-end service, we would like to take it out of rotation before the service is updated. This does not seem possible today, since we have to rely on the probe detecting that a node has gone down. Since the probes have a lag (it probes on a given interval), some users will have a bad experience when…

      27 votes
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      1 comment  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    3. Support chunked file transfers through Azure Application Gateway + WAF

      This is an issue with the WAF's configuration of OWASP.

      When the WAF is in protection mode, it is currently not possible to use the js File API to upload files in a chunked manner to an application behind the Application Gateway. Some of the "chunks" get blocked by the firewall (see attached). This doesn't happen to all chunks but it is common enough that a 100mb file will probably encounter the issue.

      I have created a barebones test website which reproduces the issue here: https://github.com/elexisvenator/AzureWAF-chunked-upload-test

      I have contacted the OWASP ModSecurity project, who have responded that the Firewall rule…

      179 votes
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      under review  ·  3 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    4. Add effective route for gateway subnet UDR

      Allow effective routes to be viewed for troubleshooting when a UDR is applied to a gateway subnet

      113 votes
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      9 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    5. Support traffic fork/shadowing/mirror on application gateway.

      Support traffic fork/shadowing/mirror on application gateway. Sometimes we need send shadow traffic to a testing/staging environment, and the best place to do this is layer 7 load balancer..

      25 votes
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      2 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    6. Reduce update times for Application Gateways

      It would be great if the Application Gateway could update faster. Working with AGWs forces me to wait for 15-30 minutes after each update - which wastes a lot of time.

      Working with gateways at AWS feels nearly instant and does not require such long waiting times.
      I'd highly appreciate if Azure AWG updates could become so fast, too.

      73 votes
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      3 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    7. Retry policy for failed requests on Application Gateway

      To reduce the number of 502 bad gateway requests that are served up Application Gateway should have a retry policy for failed requests, allowing it to move the the next available server. This would be especially useful when used in front of Service Fabric where services are moved between servers.

      40 votes
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      unplanned  ·  0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    8. Application Gateway: Set DNS name for frontend IP in wizard

      When creating a new Application Gateway via the portal, you are prompted to set a frontend IP. This IP is then allocated a randomly generated dns name which cannot be changed. I'm guessing that most people do not want a random name for their public facing address.

      Please allow a name to be specified in the wizard and/or the name to be changed after the fact.

      9 votes
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      0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    9. Application Gateway: Support wildcard hosts in listeners

      Our product creates dynamic DNS zones for our customers, e.g. foo.z1.contoso.com, bar.z2.contoso.com, etc. We use Azure DNS for this. (Notice that we stripe our customer's domains across multiple zones (z1, z2), because Azure DNS has a max record count of 5000.)

      So, to support this, we have a wildcard SSL certificate for each zone e.g. .z1.contoso.com, .z2.contoso.com.

      In order to have Application Gateway provide SSL termintation for us, we obviously need to create Multi-site listeners for port 443. Unfortuantely, the 'Host' field on the Multi-site listener does not accept wildcard entries. Furthermore, specifying the host name 'z1.contoso.com' does not appear…

      1,127 votes
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      57 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    10. Authentication support for application gateway

      For lift & shift of legacy systems, application gateway is very useful as we have different kinds of backends (VMs, service fabric, other PaaS services, etc.). The only missing capability is authentication, so we have to implement and configure authentication in various services, which is a big overhead. Otherwise, we have to give up application gateway but set up Nginx VMs instead.

      I have also looked at Azure API Gateway, but it seems to be too specialized for public APIs but our services also service static contents and ever-changing private APIs without swagger definition.

      301 votes
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      5 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    11. Increase listener limit for Application Gateway

      Application gateway has a very low listener limit (20 listeners / certificates). This severely limits it's usefulness for multi-tenant/domain applications where a web farm / service hosts many endpoints. IIS itself has no such small limit, but due to constraints on certificate deployment in cloud services, Application Gateway is the only clear path to wide scale SNI based SSL hosting. With it's low limit, it does not come close to meeting our use case. I would suggest the limit be removed or set to a very high limit like 10k+ so many certificates could be bound to host many different…

      501 votes
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      25 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    12. Show domain in logs

      The access logs for the application gateway only show the routes. We use a single gateway to host multiple sites and some have similar folder structures, this makes evaluating access and tracing issues a bit difficult. It would be great if the actual domain (http://www.something.com) was listed in there too.

      16 votes
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      under review  ·  0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    13. Enable the use of Azure App Service Certificate with Azure Application Gateway

      Today, you have to manage your certificate yourself and provide to Azure Application Gateway a .pfx file.
      It would be great if we can have in Azure Application Gateway the same integration we have between Azure App Service and Azure App Service Certificate in order to handle the purchase, renewal, configuration and security of our certificates.
      As far as I know, the ASC team has done a seperate Resource Provider and it might be easy to integrate it with other services such as Azure Application Gateway.

      254 votes
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      triaged  ·  5 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    14. Backend heath status of Application Gateway

      We deployed the Application Gateway on the subnet where NSG's In-Bound rules is set. In the result, we got the status of backend health is 'unknown'. We got the 'Healthy' status when the NSG doesn't associate to subnet. Even if NSG's In-Bound rules is set, We'd like to confirm the backend health.

      33 votes
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      9 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    15. Support IPv6 in Application Gateway front-end public IP

      Support IPv6 in Application Gateway front-end public IP

      244 votes
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      planned  ·  4 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    16. HEAD requests to monitor health

      It would be nice to be able to use HEAD requests for health monitoring instead of full GET

      21 votes
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      under review  ·  1 comment  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    17. Headers to identify health monitoring requests

      My ApplicationInsights logs show all the health requests done by AG to monitor the health of the system.
      I'd like to have the possibility to recognize health requests through specific headers so that I can skip standard HTTP pipeline and immediately return 200 status code, without logging the request

      13 votes
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      under review  ·  0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    18. Application Gateway WAF needs function.

      Application Gateway WAF hasn't function creating custom rules and operating management UI for regular or custom rules. Also, we hope functional enhancement for WAF logs. We'd like to get the detail message if alert is happen.

      Thank you for your time and consideration.

      61 votes
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      4 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    19. Hibernate/pause a resource group or subscription

      After talking to one of your Senior Support Engineers, they suggested I made a feature request for this.

      I'd like to be able to pause, hibernate or otherwise stop a resource group or subscription so that it incurs minimal costs when not in use. I'm suggesting resource group or subscription as one may be easier to implement than the other. Ideally this would be done through ARM but I’d settle for doing it via PowerShell if needed.

      I appreciate that VMs can be deallocated but we found that a customer's solution was still using approximately £200 a month due to…

      681 votes
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      13 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    20. There is no way for us to find the private IP assigned for the application gateway in the back end. Hence please improve this feature.

      There is no way for us to find the private IP assigned for the application gateway in the back end. Hence please improve this feature. Please have it enabled for the GUI, so that this can be use full to troubleshoot any network issues.

      38 votes
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      under review  ·  3 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
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