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.

      1,526 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 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/)

        793 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.

          713 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.

            609 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?

            • 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…

              321 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.

                305 votes
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                • Possibility to set a DNS Suffix on Azure networks (like DNS Servers)

                  There are many scenarios for Virtual Machines (and Other maybe) where NIC settings are cleared (VM Deallocated). DNS Servers can be set on Azure Network, and this VM will have DNS Servers settings via DHCP. But we have to set DNS Suffix manually each time, or set a script automatically at each boot.
                  The idea is just to have a way to set a suffix DNS for VM Networks, with the same way as DNS Servers. With this settings, DHCP will assign DNS suffix to all VM automatically.

                  200 votes
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                  • Enable split DNS for providing both public and internal name resolution to VMs in the VNET.

                    Amazon Route 53 supports split-view DNS, so you can configure public and "PRIVATE" hosted zones to return different external and internal IP addresses for the same domain names.
                    i think a similar capability can be very useful also in Azure

                    135 votes
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                    • Introduce 'Vanity name servers'

                      We would like to see an introduction of delegations using name server names in our own zone (sometimes called 'vanity name servers').

                      Using 'vanity name servers' are important for consolidating our corporate brand.

                      Currently, the 'host' field of the SOA and the NS records at the zone apex are deliberately locked to discourage us from setting up delegations other than via the Azure DNS name server names.

                      We realise such delegations would break were we ever to change the Azure DNS name server IP ranges in future, which would obviously need to be resolved prior to the introduction of this.

                      133 votes
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                      • Alias records

                        I have a number of DNS records for various webapps in my zone... all of which point to the same host. I understand the limitations CN's, but the convenience of maintaining them is too great.

                        My request is to provide an "alias" record, which provides a single record to maintain, but is applied as A/AAAA records.

                        The benefit is to bridge CNAME convenience with RFC incompatible goals such as CN apex records.

                        98 votes
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                        • Traffic Manager Logging & Alerts

                          Traffic Manager needs to keep track of past endpoint health failures.
                          In addition to this it should be possible to configure alerts about changes to endpoint health.

                          96 votes
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                            planned  ·  5 comments  ·  Domain Name Service (DNS, Traffic Manager)  ·  Flag idea as inappropriate…  ·  Admin →
                          • Add more configurability to Traffic Manager monitoring endpoint

                            I would like for the monitoring endpoint configuration to support two new options:

                            1) How many consecutive times TrafficMgr does not get an http 200 from the endpoint before it deems it down. I have a scenario where I want it to be deemed down immediately after one failure for a quicker failover.
                            2) How many consecutive times TrafficMgr receives an http 200 after it has deemed it down before it will deem it up again. I have seen a scenario where table storage (or SQL Azure) is inconsistent (fails one query then succeeds the next, back and forth) and…

                            74 votes
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                              planned  ·  2 comments  ·  Domain Name Service (DNS, Traffic Manager)  ·  Flag idea as inappropriate…  ·  Admin →
                            • 61 votes
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                              • Traffic Manager support blob storage

                                for web site availability, I would like to use blob storage under traffic manager when blob (such as pictures, pdfs , movies) is stored to blob storage.

                                61 votes
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                                • Allow Traffic Manager to Support Absolute Monitoring Endpoints

                                  Current endpoint monitoring in Traffic Manger only supports a relative path. For flexibility, it would be great to support a full url path like http://www.example.com/health

                                  60 votes
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                                  • Formalize the Traffic Manager user agent string

                                    I would like to see the user agent that Traffic Manager uses in its HTTP requests as part of monitoring/probing become formalized so that applications can take a dependency on the user agent string name and not worry about it changing in the future affecting the application that has behavior that depends on the user agent.

                                    For an example where the user agent string is needed to comply with URL canonicalization needs along with Traffic Manager being involved, please refer to http://social.msdn.microsoft.com/Forums/azure/en-US/d9f8e779-644d-4263-990c-9de5a7cf403c/is-the-user-agent-for-traffic-manager-guaranteed.

                                    40 votes
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                                    • We need the new configuration in Azure Traffic Manager.

                                      We need the new configuration in Azure Traffic Manager.

                                      When prior region is replying intermittent healthy response to Traffice Manager, It occurs Failover and Failback repeatedly.
                                      (e.g. In case the endpoint returns HTTP 500 intermittently by some system failure, if TM receives HTTP 200 by luck when TM probes there, TM sends requests to troublous endpoint until next probe chance.)

                                      We need the configuration that manual Failback.

                                      38 votes
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                                      • Add DNS name label to private IPs

                                        Currently when using Azure provided DNS all VM's are registered automatically using VM name. Unfortunately it's not possible to register other resources like for example load-balancers with private IPs. It would be great to be able to assign dns name to private IPs

                                        33 votes
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                                        • Introduce CNAME flattening

                                          Does
                                          #Azure
                                          #DNS
                                          support CNAME flattening #CloudFlare
                                          style? The answer is no yet it would be a very handy feature.

                                          See here for more details on how CloudFlare is doing it, and they might actually have introduced the whole notion of "CNAME flattening": https://support.cloudflare.com/hc/en-us/articles/200169056-CNAME-Flattening-RFC-compliant-support-for-CNAME-at-the-root

                                          30 votes
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                                          • designate set of name servers to all self hosted dns zones

                                            When maintaining DNS Records in Azure, you have to update registrars records to use name servers assigned to a domain. Now that those nameserver sets varies, it takes extra effort to create Records, specially if you have to do it manually.
                                            It would be easier if you could try and use same set of name servers to all dnz zones for the dns zones you are maintaining.

                                            22 votes
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                                              Thanks for the suggestion. We are tracking this on our backlog.

                                              Some background: Azure DNS supports multiple name servers, which are dynamically assigned as zones are created. This allows us to let customers create zones without first proving that they own the domain name (since if we supported only a single name server set, we couldn’t allow just anyone to create a zone and thereby block the legitimate domain name owner). Domain proof-of-ownership checks are a significant hassle, so it’s important that we avoid them where possible.

                                              Having said all that, I do understand that in some scenarios having a consistent set of name server names is desirable, and we are considering options for how we might support this in future.

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