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Questions tagged [azure-networking]

Questions related to azure networking: Virtual Networks, Load Balancers, routes, gatewayes and vpn/expressroute

334 questions
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2 answers

CoreOS: tcpdump mysteriously solves network issue (excessive number of sockets used)

I've got a mystery for you today. We run a small, three node Elasticsearch cluster based on CoreOS (2023.5.0 / Linux 4.19.25-coreos) on Azure. Elasticsearch is run inside a docker container in host network mode. After running almost completely…
Stephan Klein
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9
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2 answers

Azure firewall vs Azure network security group

I've been trying to understand the difference between a Azure firewall (https://azure.microsoft.com/en-us/services/azure-firewall/) and the features offered by NSGs/network security groups…
Reinard
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8
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1 answer

Use of Gateway Subnet on Azure

I'm trying to create a Point-to-Site(P2S) VPN on Microsoft Azure and in order to do so I created a VNet, created a couple of subnets under the VNAT and then I read that I need to create a "Gateway Subnet" to be able to attach a network gateway to my…
7_R3X
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7
votes
3 answers

How connect a linux box to an azure point-to-site gateway?

My initial attempt was to try to use internet connection sharing and dedicate a machine to front-end the Linux box (just forward lots of ports), but connection sharing doesn't seem to work when connected to an azure VPN (I have tried windows 10, and…
Kurt Hutchison
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6
votes
1 answer

Use Azure Active Directory as RADIUS server for VPN gateway?

I'm using Azure Active Directory (Premium, with full MFA). I've set up a VPN gateway and would like users to be able to authenticate to it using their Azure AD username and password (instead of certificates). From everything I read, this should be…
Herb Caudill
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5
votes
1 answer

Unblocking port 25 limitations in Azure

I run my own mail server on Azure for my domain. After deploying a new VM that will replace my existing server I stumbled upon the inability to run trivial email diagnostic tests like port25's DKIM tester. I found this Microsoft article showing that…
usr-local-ΕΨΗΕΛΩΝ
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5
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3 answers

How do I connect to an Azure SQL Server via an Azure VPN Gateway?

I have setup an Azure SQL Server with an Elastic Pool into which I have created a Test database. I have also setup an Azure Virtual Network and a Point-to-Site VPN. The Virtual Network has 2 subnets - one for the GatewaySubnet and another into which…
Chris Roberts
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5
votes
1 answer

Adding a public IPv6 address to a Linux VM in Azure

I have a Centos7 VM instance running in Azure. It has a public IPv4 address reachable from the internet. I would like to add a public IPv6 address to this instance's network interface but I cannot figure out how to do this. There does not seem to be…
EmToro
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4
votes
1 answer

What are the "User Defined Rules" mentioned in the Azure Fundamentals Skills Measured document?

In the document Exam AZ-900: Microsoft Azure Fundamentals - Skills Measured, under the section "Understand security, privacy, compliance and trust", and the subsection "Understanding securing network connectivity in Azure", the third bullet reads…
Michele Dorigatti
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4
votes
1 answer

Can I use Azure DDoS protection with common App Services plans instead of App Services Environment (ASE)?

I see Azure DDoS protection can be enabled at the VNET level, and I understand that I can configure the integration of an App Services web app with a VNET, but is that enough to place my application under DDoS protection? I am under the impression…
Gabriel C
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4
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2 answers

VNET peering with on-premise gateway transit not working properly

We have a VNET (let's call it VN_MAIN) that is configured to have a S2S VPN connection to our on-premise network. The VMs deployed within subnets of VN_MAIN are reachable from on-premise. What I'm trying to do is to create another VNET (VN_OTHER)…
valorl
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4
votes
2 answers

Use Azure Public IP With On Prem VM

We have an on prem RRAS server that connects to an Azure Virtual Network that allows us to have an On Prem/Azure hybrid. My query is, if i was to provision a public IP address in azure, what would be the best way to route it to one of our on prem…
MrBeanzy
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4
votes
1 answer

Windows Azure - Routing Point-2-Site - Communication: Local PC --> Azure VM

I am trying for hour now to communicate between two computer. Local PC AzureVM They are both connected via Point-2-Site VPN. The VPN itself works like a charme and isn´t hard to handle. But I don´t get the communication to work. The local…
Felix Zeidler
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4
votes
1 answer

Unexpected IPv6 client address from Azure Application Gateway's health probe

I have the following setup in Azure: Public IP address (IPv4) Azure Application Gateway (Standard V2) V-NET with one subnet. AGW deployed to that subnet with 'Add IPv6 address space' checkbox disabled AppServices and Functions as…
Anton Sizikov
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3
votes
2 answers

Rate Limit using Azure Application Gateway

I am changing the deployment of our Web App from Azure App Service to VMs behind an Application Gateway, because the App Service could not handle the peak load we had a few days ago. What I now would like to do to guard the app from a possible…
Christoph Fink
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