828 questions with Azure Firewall tags

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1 answer

Azure Firewall unable to update existing rules.

The save button when modifying a existing Azure Firewall Policy rule is not working on Azure portal, I've tried different browsers. It's throwing a error in the browser developer console. How to fix this?

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-30T10:44:35.86+00:00
Mr K 25 Reputation points
answered 2025-11-14T03:55:19.2433333+00:00
Mr K 25 Reputation points
2 answers

how to allow my IP to access the RDP using port 3389

our customer who is using our software asked us to block RDP access to the server from anywhere, as a part of their security measurements, the step i took was to allow secured access to the server only on port 3389, so now the RDP is not accessible from…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-22T10:14:05.95+00:00
Bashir Salama 0 Reputation points
answered 2025-11-05T08:29:18.9566667+00:00
VIVEK DWIVEDI 265 Reputation points Microsoft Employee
1 answer

Azure firewall behind AGW

Hi All, we want to configure azure firewall behind application gateway to translate further to project specific spoke Internal AGW. Internet client -> HUB Public application gateway -> HUB Azure firewall -> Spoke Internal Application gateway. …

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-28T07:39:14.9333333+00:00
Brajesh Kumar 20 Reputation points
edited an answer 2025-10-31T04:17:18.2933333+00:00
Harish Peddapally 1,590 Reputation points Microsoft External Staff Moderator
1 answer

Azure Firewall — geo (country/region) filtering support & maintaining IP allow/deny lists

Hi Team, Could you please confirm the current stance and best practices around geo filtering with Azure Firewall? Geo filtering support I don’t see a geolocation/country operator in Azure Firewall rule docs (NAT/Network/Application). Can you confirm…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-27T17:00:31.5533333+00:00
Paul 20 Reputation points
commented 2025-10-30T08:02:41.12+00:00
Praveen Bandaru 8,930 Reputation points Microsoft External Staff Moderator
0 answers

Enabling MARS (Multiple Active Result Sets) in Azure Sql Connection string results in failure with Private Endpoints/Azure Firewall

We have an app service running from UK South, that talks to an Azure Sql Database over in North Europe. We have vnet integration on the app service on a virtual network in UK South, the private endpoints vnet/subnet resides on North EU and requests are…

Azure SQL Database
Azure Private Link
Azure Private Link
An Azure service that provides private connectivity from a virtual network to Azure platform as a service, customer-owned, or Microsoft partner services.
563 questions
Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2021-10-22T08:45:56.967+00:00
John 1 Reputation point
commented 2025-10-29T10:46:15.8333333+00:00
Pete Luetchford 21 Reputation points
0 answers

Azure firewall application rule doesn't work

Dear team, I have Azure policy as below: Rule collection group 1: Priority = 9999 Application rule: Allow access google, priority = 11003 Rule collection group 2: Priority = 50000 Network rule: Allow full https, priority = 50002 Diagnostic…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-17T09:01:49.5733333+00:00
Van Huy Tuyen 40 Reputation points
commented 2025-10-21T01:25:44.07+00:00
Thanmayi Godithi 1,885 Reputation points Microsoft External Staff Moderator
1 answer

Azure Firewall to secure LDAPS

Hello, I would like some assistance please. I have Server 2022 configured with LDAPS and I would like to configure Azure Firewall to secure inbound LDAPS with FQDN / IP ranges. I have Workspace ONE UEM and would like to integrate SAML / Entra ID but…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-18T12:31:00.5333333+00:00
Sadaqah Aid 20 Reputation points
answered 2025-10-20T04:29:23.1166667+00:00
Jeevan Shanigarapu 3,105 Reputation points Microsoft External Staff Moderator
0 answers

Error while accessing a RDP app through azure app proxy

When I download my RDP file through the application proxy URL, it gives me the following error. Please help.

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-14T04:22:24.3966667+00:00
Ravi Wanasinghe 0 Reputation points
edited the question 2025-10-17T01:35:08.0566667+00:00
Thanmayi Godithi 1,885 Reputation points Microsoft External Staff Moderator
0 answers

Azure Firewall DNAT issues

Hello everyone, We have a firewall on our environment. We need to expose an SFTP server to some specific public IP addresses. We have created a DNAT rule to expose port 22 and translate to port 22 to the SFTP server. If we try to do a test connection…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-15T21:29:33.0666667+00:00
Andrea Longhitano 180 Reputation points
commented 2025-10-15T23:05:57.9433333+00:00
Ravi Varma Mudduluru 2,690 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

AVD outbound web access, different outbound public IPs.

Hi Basically I would like outbound AVD web traffic to use different public IPs. We already have Azure basic firewall, AVD subnet has a route out to Azure Firewall. The documentation suggests that if you add multiple public IPs to Azure Firewall that a…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-08T11:22:16.3533333+00:00
Zuuber 35 Reputation points
accepted 2025-10-10T08:48:21.59+00:00
Zuuber 35 Reputation points
2 answers One of the answers was accepted by the question author.

Azure Firewall blocking access to Power BI blob storage endpoint despite Network Rule allowing Storage service tag

Sub: Azure Firewall blocking access to Power BI blob storage endpoint despite Network Rule allowing Storage service tag We have a Hub-Spoke topology with all VM traffic routed through Azure Firewall. A SHIR VM in the hub subnet must access Power BI…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-09-18T11:45:10.2266667+00:00
Ramadhas, Arun Chander 20 Reputation points
recommended 2025-10-09T16:36:29.19+00:00
Ana M 0 Reputation points Microsoft External Staff Moderator
1 answer

How to configure to block suspicious IP address in Azure web service

Hello, Recently we had lots of 404 error in the Azure web service. Errors came from several IP addresses (4 .227.36.9, 20.78.102.199, 172.190.142.176) and it pointed to Microsoft in IP look up. But I think it's not really the Microsoft IP. How can I…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-09T03:07:18.83+00:00
Eunsu Park 85 Reputation points
answered 2025-10-09T03:40:31.0833333+00:00
Thanmayi Godithi 1,885 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Add new Public IPs in Azure Firewall

Hello, I get this messages when I add new IPs in the Azure Firewall. Can you help to identify the cause of this ? Thanks

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-09-23T10:20:02.28+00:00
Emil Tsvetkov 55 Reputation points
commented 2025-10-08T13:08:07.4633333+00:00
Emil Tsvetkov 55 Reputation points
1 answer

Azure private endpoint doesn't work with Azure firewall

Dear team I have network topology Hub vnet: 10.150.0.0/20 Azure firewall subnet with private IP: 10.150.0/4 Azure firewall management subnet Gateway subnet Peering with DB vnet UDR with route table 1 (RT1): 10.160.18.0/23 via next hop 10.150.0/4,…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-06T12:31:27.12+00:00
Van Huy Tuyen 40 Reputation points
answered 2025-10-06T14:09:04.43+00:00
Priya ranjan Jena 1,990 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Azure Firewall Telnet Behaviour

Hello everyone, I have a strange behavior in Azure Firewall. Traffic from ip 192.168.1.1 to example.com is denied by default on port 443. The traffic from 192.168.1.1 pass through the firewall. If I execute the command telnet example.com 433 it works…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-03T20:23:27.6966667+00:00
Andrea Longhitano 180 Reputation points
edited a comment 2025-10-04T08:12:26.06+00:00
Tourica 10 Reputation points
2 answers

Cannot allocate IP from prefix to Azure Firewall

I have an existing IP Prefix with a /28 range. (Standard SKU) I have an existing Azure firewall (PremiumSku) Both are in the same region. I have previously allocated IP's from the prefix to the Firewall Public IP's, however, I am not able to do that…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-10-01T15:20:16.8533333+00:00
Bryan Orsmond 5 Reputation points
commented 2025-10-03T13:37:13.9366667+00:00
Jose Benjamin Solis Nolasco 6,051 Reputation points
1 answer

What is the subnet for *.msftauth.net and *.msftauth.net ?

The application under test has multi factor authentication enabled. This functionality is working as expected. We have recently created a virtual machine which will be used for running load tests. When we open the application from this VM in particular,…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2024-07-17T19:46:20.79+00:00
Kar, Chirajeet 0 Reputation points
commented 2025-09-27T18:20:53.97+00:00
David King 0 Reputation points
0 answers

Azure Security Architecture Design - Need Expert Guidance

Azure Security Architecture Design - Need Expert Guidance Hi, I'm designing a secure architecture for a web application hosted on Azure Kubernetes Service (AKS) and would appreciate insights on my current design and some specific questions I…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-09-19T08:16:36.45+00:00
MidhunKrishna 0 Reputation points
1 answer One of the answers was accepted by the question author.

How to avoid record "SNI TLS extension was missing." on Logs Analytic workspace of Firewall?

On Logs Analytic workspace of Firewall, I have a lots of records with ActionReason_s as "SNI TLS extension was missing.", and these cost make the cost so high (99% of records come from this). However, the record only have SourceIP, I don't see…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-09-18T08:16:48.1+00:00
QuyHoang 25 Reputation points
accepted 2025-09-19T07:46:29.3166667+00:00
QuyHoang 25 Reputation points
2 answers

Configuring BGP with Dual ISP on Fortinet Firewall in Azure Active-Passive Mode

Hi Team, Having two ISPs terminating at a single Fortinet firewall, VPN connections to the Fortinet have been established using both ISP IPs, and BGP is enabled. However, routes from Azure are not appearing in the Fortigate. The Virtual Network Gateway…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
828 questions
asked 2025-09-17T07:14:18.8766667+00:00
Preetham Singh 5 Reputation points
answered 2025-09-17T08:30:22.5533333+00:00
Priya ranjan Jena 1,990 Reputation points Microsoft External Staff Moderator