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:

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  • Technical documentation

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  • 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.

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    1. Support CIDR in Point to Site Networking (RFC1918 bug)

      Azure forces clients to have a class A default route when using 10.x.x.x as their internal network. This should reflect the subnet mask illustrated in the portal

      More information:

      http://serverfault.com/q/818383/51457

      7 votes
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      0 comments  ·  VPN Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    2. Microsoft maintained UDR for MS services

      MS maintained UDR or firewall rule that enables traffic for MS services to allow outbound traffic from a host in a DMZ. Outbound traffic to all of 443 from a DMZ host to enable backups is a bad design - and using the MS provided IP List includes ALL services including other customers IAS servers - as an attacker all they would need to do to exfil data is to setup an azure host to send it to. It would be better enable outbound traffic for specific services such as backup and have MS maintain a list of that IPs…

      6 votes
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      2 comments  ·  Network Security Groups  ·  Flag idea as inappropriate…  ·  Admin →
    3. Tell the user which objects prevent an object from being deleted

      I wanted to delete a Virtual Network and it kept telling me that it was in use and that I should come back later if I just deleted an object that used this Network.
      However, the actual reason was that the Virtual Network still had a Gateway configured. As this gateway only shows up inside the Virtual Network and not on "All Resources", I wasted hours to figure out why I couldn't delete the network.

      Suggestion:
      If I can't delete an object because it is in use or has children, give me a list of those objects that prevent the…

      6 votes
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      1 comment  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →

      Hi Daniel, we’ve made some updates here, our error messages tell you what resources are preventing delete VNet.

      Further, we created a diagnostic in the support work flow (Azure Portal, support ticket creation: Virtual Network > Management > Cannot delete VNet) to tell you exactly what resources are preventing delete, too!

      Hope this helps, let us know your feedback

      https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-troubleshoot-cannot-delete-vnet

      - Anavi N [MSFT]

    4. Traffic Manager Probe Success and Failure Logs

      Currently in the metrics for Traffic Manager, you cannot see a history of when probes passed or failed. You can only see an average of the probes over a period of time.

      Seeing the logs of when probes succeeded and failed for each endpoint could be helpful for troubleshooting. Particularly when you think a failover should have occurred, but it did not.

      5 votes
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      started  ·  0 comments  ·  DNS  ·  Flag idea as inappropriate…  ·  Admin →
    5. Use Public IP address with custom DNS label on existing Application Gateway

      The Application Gateway does not allow to get a public IP address assigned, for which the DNS label has been set.
      Error Message: "You can't choose a public IP address that has a domain name label specified."

      When using certificates that are registered on specific CNAMEs, you should be able to set the DNS label of the public IP address of the Application Gateway to match the CNAME.

      5 votes
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      0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    6. Fix Virtual Network Gateway IKEv2 Security Logging

      Ok, so logging access to enterprise networks is a basic security control which we shouldn't be asking for in year 2018.

      If we deploy P2S/Virtual Network Gateway w/IKEv2/certificate authentication in its current state, we open our networks to the internet and have no idea who logs into it and from where. There are basically NO events logged for an authenticated user. In addition, the "Connection Count" doesn't increment. So If I have 100 users connect via IKEv2, Connection Count still shows 0.

      THIS IS A SIGNIFICANT SECURITY HOLE.

      Microsoft - this product shouldn't have been released, not in its current…

      4 votes
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      2 comments  ·  VPN Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    7. traffic manager api

      I would like an API call that can be made to get the list of traffic manager IP addresses. (this list https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-faqs#what-are-the-ip-addresses-from-which-the-health-checks-originate.)

      That way we can automate the checking of this list and alert if it is amended, and also automate updating our azure services. Just having a website to check is too manual.

      4 votes
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      started  ·  0 comments  ·  DNS  ·  Flag idea as inappropriate…  ·  Admin →
    8. improve application gateway rule description documentation

      When you will improve the documentation to include better descriptions at the rules? Having a rule with a description Rule 981312 doesn't help to know what it does! Enabling all rules have a huge impact on WAF performance and we need to know what exactly each rule does in order to fine tune it.

      3 votes
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      0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    9. Make TrafficManager more robust when there's a major outage

      We configured the TrafficManager to either point to deployement1 or deployment2, which live in different locations, depending on which is in the "prod" role (machines are allocated) or the "backup" role (machines are deallocated). Using the TrafficManager is attractive because the customer doesn't need to make any changes on their end; if we need to revise the TrafficManager to point to the other deployment, it's simple and straightforward to allocate the machines and run a few lines of PS code. However, during the recent extended outage in the South Central US, after allocating the backup machines, when we tried to…

      2 votes
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      0 comments  ·  DNS  ·  Flag idea as inappropriate…  ·  Admin →
    10. 1 vote
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      0 comments  ·  Application Gateway  ·  Flag idea as inappropriate…  ·  Admin →
    11. What was changed in Azure Loadbalancer - it prevents me from creating a second loadbalancer rule to a different backend pool?

      I have already several balancers that balance different type of requests to different backend pools - HTTPS to one AMQPS to another, WS to third one, etc..
      Today I realized, that I am not able to create another loadalancer rule without adding new publicIP. OK, I can add new IP address, but what about the already created and configured loadbalancers? How will they be affected? How long will they be able to operate, till they will stop providing outbound connectivity for my servers? Is there any refund for this type of harm?

      1 vote
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      0 comments  ·  Load Balancer  ·  Flag idea as inappropriate…  ·  Admin →
    12. On Azure portal,under Load balancer the statement of floating IP should be updated.

      Recently i took a case ,customer complained this .On Azure portal,under Load balancer the statement of floating IP "says 'We recommend using this feature only when configuring a SQL Always" needs to be updated.
      The statement needs to be updated as follows :
      We recommend using this feature only when configuring a SQL AlwaysOn Availability Group Listener and SQL Failover Clustered Instance (FCI) IP Address.

      The current statement appears to be old and was true before we started supporting SQL FCI on Azure. You can see the details here
      https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sql/virtual-machines-windows-portal-sql-create-failover-cluster

      1 vote
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      0 comments  ·  Load Balancer  ·  Flag idea as inappropriate…  ·  Admin →
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