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. Either add Point-to-Site SSTP VPN clients for Mac/Linux or enable other connectivity options

      With Azure trying to attract more than just Windows devs, we need to be able to VPN using non-Windows platforms for point-to-site connections.

      1,416 votes
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        Thank you for your suggestion, and all of the support it has received. We understand this is a major pain point for a lot of our customers. We are currently working on enabling non-Windows clients to connect to Azure.
        Thanks,
        Bridget [MSFT]

      • 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.

        1,139 votes
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          50 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →

          As noted by SamirF, Azure now offers load-balanced, dual-stack (IPv4+IPv6) Internet connectivity for Azure VMs. This native IPv6 connectivity (TCP, UDP, HTTP…inbound and outbound initiated) all the way to the VM enables a broad range of service architectures. IPv6 for Azure VMs is available now in most Azure regions. Data transfers over IPv6 are billed at the same rates as IPv4. For more information, please visit this Overview of IPv6 for Azure Load Balancer: https://azure.microsoft.com/en-us/documentation/articles/load-balancer-ipv6-overview/

          We realize load-balanced Internet connectivity is just the first step of what is implied by this suggestion & comments and support for more scenarios is under development.

          Please add suggestions for specific scenario/service you need IPv6 enabled to help guide our prioritization and work?

          Many thanks,
          The Azure Networking IPv6 feature team

        • 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.

          769 votes
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          • 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.

            691 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.

            • 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.

              688 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.

              • 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.

                547 votes
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                • 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.

                  506 votes
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                    planned  ·  14 comments  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                  • 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/)

                    460 votes
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                    • Add CAA record

                      Add the ability to add a CAA record! This is now becoming more important with Qualys flagging it as a "requirement".

                      419 votes
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                      • 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.

                        418 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?

                        • 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…

                          347 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

                            312 votes
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                              15 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
                            • 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.

                              308 votes
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                                6 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.

                                291 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

                                  289 votes
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                                    under review  ·  10 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Traffic Manager for SQL Database

                                    The traffic manager is a great way to account for failover between web nodes in different data centers. However, an analogous paradigm doesn't exist for databases. In the premium tier, you can enable active geo-replication. However, all applications dependent on the primary either need to have their connection strings changed over when failing over between data centers, or they have to have some sophisticated retry logic built in at the application tier. It would be great if applications could point to a single, consistent endpoint and the geo-failover could be handled at a higher level the way it is with…

                                    254 votes
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                                    • 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…

                                      249 votes
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                                        8 comments  ·  Virtual Networks (VNET)  ·  Flag idea as inappropriate…  ·  Admin →
                                      • 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.

                                        229 votes
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                                        • 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.

                                          211 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.

                                            180 votes
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                                              0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
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