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. Azure DNS needs DNSSEC support

      DNSSEC is required to be able to secure your DNS requests. At the moment this is not available. We cannot move until our domains to Azure DNS untill these requirements have been met.

      1,347 votes
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        Thanks for the suggestion. We recognise the strategic importance of DNSSEC and it is a key feature on our long-term backlog.

        DNSSEC represents a very large engineering investment, and hence we have to prioritize carefully vs other work. The most customer data we can get supporting the need for DNSSEC support, the better prioritization decisions we can make. We appreciate your votes and your comments.

      • Support IPv6 Throughout the Azure Platform

        IPv6 has been a standard for years and ISPs are starting to roll out native IPv6 stacks to consumers. The time is now to support IPv6.

        1,309 votes
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          59 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →
        • Stop/Start Virtual Network Gateway - to don't pay when it not in use

          There are two charges related to the Azure VPN service: the compute resource charge at $0.05/hour, and the egress data volume charge. Both are based on resource consumption, Unfortunately, even if the VPN tunnels are not connected, the gateway compute resource is still being consumed and will cost ~$38 monthly!
          This is not really "Pay only for what you use".

          Need functionality to “STOP” (and of course "START") a gateway if the customer is certain that the gateway will not be in use.

          973 votes
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            Folks – thanks for you comments on this feature. We understand that this is an important ask for many customers. It is in our list of features to add and is being discussed. Once we decide on a timeline for supporting this we will make an announcement.

          • add a source tag for Azure Datacenter IPs to NSG Rules

            On the following link, we are able to get the list of the azure datacenter / endpoint IPs that are actually used.

            https://www.microsoft.com/EN-US/DOWNLOAD/DETAILS.ASPX?ID=41653

            Please add a source tag like INTERNET or VIRTUALNETWORK to use Azure IP addresses in NSG rules.

            878 votes
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            • Support apex (naked) domains more seamlessly

              Some things work, other things don't. I can setup an apex domain, but to get SSL working on an apex domain in hosted cloud service web role requires tweaking. Traffic manager doesn't work with apex domains.
              Azure needs a DNS service like Amazon's Route 53. (http://aws.amazon.com/route53/)

              734 votes
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              • Azure should be its own domain registrar

                Windows Azure should offer domain registrar services so users don't have to maintain our domain names with a separate company. This also has the potential to greatly streamline the process of setting up a website on Azure.

                686 votes
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                • Support URL rewriting with Application Gateway

                  PathBasedRouting is nice, but not super great without the ability to rewrite paths. I am trying to front a Service Fabric cluster, where multiple HTTP services live on http://+:80, at different path prefixes. Would be nice to use Application Gateway to direct https://api.company.com to http://cluster/api, and https://www.company.com to http://cluster/www

                  599 votes
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                    20 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                  • change virtual machine virtual network through portal

                    Today, I needed to change a virtual network to a existing Virtual Machine. I had to delete this VM, create a new one using attached disks from the old one and set the Virtual Network. It would be nice if we had another way to do that, using Portal for example.

                    589 votes
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                      16 comments  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                    • Extend Azure DNS to support zone transfers so it can be used as seconday DNS

                      If Azure DNS supported zone transfers, then if could be used both as a reliable secondary DNS service, or as an external proxy service for AD split-brain, or on-premise hosted DNS configurations.

                      579 votes
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                        Thanks you for the suggestion. This remains a key backlog item for us.

                        We’d be interested in further input via your comments. Please consider the following questions:
                        – Do you require zone transfers in to Azure DNS, or zone transfers out? Why?
                        – Do you require AXFR or IXFR?
                        – How should zone transfers be secured?

                      • Azure Load Balancer to support HTTPS probes

                        Currently it is not possible to utilise a HTTPS (port 443) probe against a backend pool and as a result you must use either port 80 or a TCP probe which isn't the same as actually making a HTTPS request and testing the HTTP response code.

                        472 votes
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                          10 comments  ·  Load Balancing  ·  Flag idea as inappropriate…  ·  Admin →
                        • VPN Gateway monitoring

                          It would be great to have monitoring options in the azure portal which would show the bandwidth usage and throughput charts. It would help in figuring out if the 100mbps limit of the standard gateway sku is being hit at peak loads. If the details can be further provided for each individual site-to-site or point-to-site connection then that would be great thing to have. It would help immensely in finding out which connection is hogging the bandwidth the most.

                          367 votes
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                          • Site to Site VPN: allow local network range to include Azure VNET range

                            I’ve created a virtual network (10.25.0.0/17) that our instances will live in, and created a local network representing CORPNET (10.0.0.0/8). In effect, we’re trying to have the virtual network be a subnet within our larger internal IP block to emulate an internal datacenter. When trying to create the site to site VPN using the local network, I get an error about an address conflict, which seems to be due to the virtual network and local network be overlapping.
                            Per MSFT: The local network range cannot include the Azure VNET range. The local network definition(s) are used to establish routes between…

                            362 votes
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                            • Please add port-mirroring to Azure to enable DLP and logging applications

                              We would like a virtual span port or port-mirroring ability

                              344 votes
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                                planned  ·  12 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
                              • Allow DNS servers to be advertised per subnet instead of VNET

                                Instead of advertising the DNS servers per VNET, is there anyway we can specify what DNS servers should be advertised per subnet? In most cases, I would create a VNET and use NSGs to segregate out my traffic.

                                The problem with specifying the DNS servers for the whole VNET, is now I am required to create a completely separate VNET for a DMZ, as my internal DNS servers are being advertised to those machines. In this case, being able to specify DNS servers at a subnet level will allow more flexibility in regards to creating one VNET instead of multiple…

                                334 votes
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                                  15 comments  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                                • Traffic Manager Failover profile alert

                                  Can you please add alert rule for Azure traffic manager to update the co-admin by sending mail alert whenever there is a down of primary / secondary and switch over?

                                  Since our customer wants to create alert for this scenario.

                                  This will greatly relax the customer to sit in a place to watch service changes through mail.

                                  284 votes
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                                  • Let's Encrypt Integration for HTTPS certificates

                                    It should be possible to define a list of SSL hostnames. Application Gateway should automatically acquire and renew certificates for all given hostnames (most probably through the HTTP domain validation process).

                                    For every request, Application Gateway should use the correct certificate based on the hostname.

                                    Supporting multiple hostnames is critical to use Let's Encrypt with multi-site routing.

                                    281 votes
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                                      0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Allow Mutual SSL Auth on Application Gateway

                                      At the moment SSL termination is possible with Application Gateway but it doesn't cater for instances where client authentication is required (mutual auth). So if client auth is required, SSL needs to be passed through and terminated on each of the web servers. This increases load across the server farm and makes management of certificates more difficult since all certs need to be maintained on all servers. I believe this function is available with API Management but the additional cost is hard to justify if one doesn't require the other additional features. So having mutual SSL auth capability built into…

                                      278 votes
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                                        17 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Provide a 301 (Permanent) redirect service for apex (naked) domains

                                        Discussed in the Azure DNS docs: https://azure.microsoft.com/en-us/documentation/articles/dns-getstarted-create-recordset/#comment-2294403853

                                        Right now, you must use a static IP address if you want to point an apex (naked) domain (e.g., mycompany.com) to a Cloud Service (e.g., mycloudservice.cloudapp.net). Static IP's are stable as long as the Cloud Service isn't deprovisioned; however, for maximum security, simplicity, and maintainability (i.e., even if a cloud service is deprovisioned), it would be awesome if we could have 301 redirects for the apex domain to a the www CNAME endpoint and not need to be concerned with the IP address of the Cloud Service at all. The scenario goes like…

                                        276 votes
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                                        • Auto-connect for point-to-site VPN.

                                          When the device is restarted, or internet connectivity is regained, the device automatically connects to the VPN again.

                                          270 votes
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                                          • Provide explicit drain stop capabilities for Load Balancing.

                                            Many on-prem systems rely on an ability to gracefully drain traffic from a node before removing it from load balancing for updates or maintenance. While there are workarounds today for the Azure Load Balancing infrastructure (http://serverfault.com/questions/686095/gracefully-take-a-server-out-of-azure-load-balancer-drain-stop) it's not as flexible as existing on-prem services. Please add this feature.

                                            260 votes
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                                              5 comments  ·  Load Balancing  ·  Flag idea as inappropriate…  ·  Admin →
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