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.

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

    How can we improve Azure Networking?

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    1. Increase backend http setting limit on Application Gatway

      Application gateway has a backend http setting limit of 20.
      We want to use it in front of Service Fabric and legacy cloud applications.
      Each of our service fabric apps runs on its own port and so requires a probe, http setting and url rule.
      We exceeded the 20 fairly rapidly.

      31 votes
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        1 comment  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
      • Traffic Manager should default to port 443 for HTTPS

        First time configuring Traffic Manager and I pointed it at https but forgot to change the port, took a support call to resolve.

        Suggest that the default port be changed to 443 if you toggle to https, or at least warn that you are on a non-default https port

        1 vote
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        • Ability to group Network Security Groups

          Consider adding some kind of grouping functionality within Network Security Groups. This would make things a lot more simple

          Somekind like this: https://blogs.technet.microsoft.com/isablog/2009/11/25/forefront-tmg-rule-grouping/

          1 vote
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          • Faster configuration updates

            I'm experimenting with using App Gateway as a frontend server to do URL routing to one Windows App Service and one Linux App Service, via the portal. I'm an hour in to this process because each and every step takes many minutes to complete.

            7 votes
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              0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
            • Virtual Network Gateway - move Location field !!

              On the Virtual Network Gateways creation blade, could the location field be moved after SKU field? As I struck an issue where I couldn't see the virtual network (VNET) from the other region. I had to work through from bottom to top, where I had to choose the location first and then choose the VNET. Also changing location while the VNET blade is open doesn't help, as you have to close the VNET blade, choose a location and then reopen VNET blade.

              1 vote
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                0 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
              • Application Gateway WAF | Unable to disable rule 949110

                Through advanced settings on an WAF enabled Application Gateway, you are unable to turn of Rule 949110. Is it possible to have this rule selectable like the rest.

                1 vote
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                  0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                • 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.

                  1 vote
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                    0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                  • Azure Load Balancer to support having VMs from multiple availability sets in the backend.

                    Currently, only VMs from a single Availability Set is allowed and there are scenarios where a user may wish to add a VM from a 2nd availability set to the backend pool.

                    9 votes
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                      planned  ·  0 comments  ·  Load Balancing  ·  Flag idea as inappropriate…  ·  Admin →
                    • Allow custom domain verification per subscription rather than per website

                      The current custom domain validation techniques require specific DNS work for each and every site being set up. This introduces a lot more complexity and can sometimes break down. The particular issue I'm into at the moment has to do with ARM templates and traffic manager, but it seems like there are a number of scenarios where one could have trouble.

                      Today, and awverify TXT record specifies a specific website. An equivalent for specifying an azure subscription ID would be far more flexible. Ideally one could apply this to the root domain, and automatically enable the provisioning of any entries…

                      6 votes
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                      • Allow web apps to be backend pools in application gateways

                        Instead of requiring an App Service Environment, or Virtual Machines running IIS, allow us to put in the FQDN/IP Address of our Azure App Services.

                        18 votes
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                          0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                        • Allow customization of Application Gateway WAF rule matching

                          I would like to be able to selectively remove some cookies and some HTTP headers from all rule application scans, on a case by case basis.

                          Problem Statement:
                          The web application firewall functionality of the application gateway scans the entire HTTP message, without the ability to customize where the scan will occur.

                          This leads to false positives where scan pattern matches will detect suspicious characters in URL encoded blobs like security or access tokens, or in other arbitrary places like cookies.

                          The following Microsoft tools have caused this problem on my environment:
                          - Kudu tools for web applications
                          - API…

                          6 votes
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                            0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                          • Add OMS integration for NSG Flog Logs

                            Currently you can only send flow logs to a storage account. Add support for sending them to OMS.

                            13 votes
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                              0 comments  ·  Network Watcher  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support enabling and disabling NSG rules

                              Support enabling and disabling NSG rules

                              It would be nice if we could disable rules instead of having to delete them like other firewall products support :)

                              13 votes
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                              • Rename NSG policy

                                Allow us to rename previously created NSG policy to another name. It would make naming much easier. Now we have to re-create all policy again

                                9 votes
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                                • time protocol

                                  Network Time - Precision Time Protocol (IEEE 1588 std) support

                                  Azure should provide a know reference service for a network time protocol such as NTP or preferably for the IEEE 1588 standard Precision Time Protocol, or provide this as an option with the Blockchain service.

                                  6 votes
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                                    under review  ·  0 comments  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Offer IPv6 nameservers

                                    Currently Azure DNS only provides IPv4 nameservers. Please provide IPv6 nameservers as well, preferably 2 or 3 of them along with the IPv4.

                                    7 votes
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                                    • Network Watcher in Azure Stack?

                                      Can you provide any guidance on when we could expect to see this awesome tool in Azure Stack? it would be hugely beneficial

                                      3 votes
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                                        0 comments  ·  Network Watcher  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Increase Idle Timeout on Internal Load Balancers to 120 Mins

                                        We use Azure Internal Load Balancers to front services which make use of direct port mappings for backend connections that are longer than the 30 min upper limit on the ILB. That is, our ILBs accept port connections on a nominated set of ports and pass those connections to the backend services running on the same ports.
                                        We are experiencing dropped TCP connections from clients connecting to the backend services via the ILB. After investigating the issue in collaboration with the Azure Networking Team it was verified that altering the default OS TCP keep alive duration to below 30mins would…

                                        113 votes
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                                          under review  ·  0 comments  ·  Load Balancing  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Allow a VM's NIC to use a VNET\Subnet from another Subscription

                                          Given that the syntax of json deployment templates allows referencing resources by a unique resourceid which includes the guid of the subscription, I would like to create a VM in subscription 'A', whose NIC references a subnet that is part of a VNET in subscription 'B'.

                                          The reason for this is two-fold:
                                          1) This would allow a corporate networking function to securely manage all the networking infrastructure in a corporate IT-owned and managed subscription, but allow it to be consumed by line-of-business units, whose subscriptions are restricted (via ARM policies) to not allow the creation of VNETs.
                                          2) This would…

                                          13 votes
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                                            under review  ·  1 comment  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                                          • Allow option to choose the SSL endpoint to target for Azure Web App endpoints in Traffic Manager

                                            There is a limitation with using Traffic Manager with Azure Web Apps/App Services right now.

                                            See this article: https://docs.microsoft.com/en-us/azure/app-service-web/web-sites-configure-ssl-certificate#step-3-change-your-domain-name-mapping-ip-based-ssl-only

                                            When a user combines both IP-based SSL and SNI-based SSL bindings in their app service, SNI-based bindings need to have different DNS configurations in order to work properly. The SNI-based bindings need to target "sni.<appname>.azurewebsites.net" instead of just <appname>.azurewebsites.net.
                                            It's not possible to directly get to the site at "sni.<appname>.azurewebsites.net" as it's only used for SSL routing in the App Service infrastructure, so you cannot use this URL when adding the App Service as an external endpoint (pinging fails and it…

                                            4 votes
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                                              Hi Matt,

                                              Thank you for the feedback. We are always looking to increase the ease in which different Azure services can be consumed together and this falls into that. We will be definitely looking into this specific integration point.

                                              Azure Networking Team

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