286 questions with Azure Web Application Firewall tags

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1 answer One of the answers was accepted by the question author.

Setting up azure firewall premium policies

I am trying to implement Azure firewall premium for our existing infrastructure using terraform to enable the IDPS feature. But the main issue I am facing is the azure firewall policies(Dnat rules) which I created are not working or not getting attached…

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
580 questions
Azure Virtual Network
Azure Virtual Network
An Azure networking service that is used to provision private networks and optionally to connect to on-premises datacenters.
2,190 questions
Azure Web Application Firewall
asked 2024-01-23T16:17:49.2633333+00:00
Reshma Nair 120 Reputation points
accepted 2024-01-30T08:08:01.76+00:00
Reshma Nair 120 Reputation points
1 answer One of the answers was accepted by the question author.

WAF for Azure Application Gateway - Which ruleset is better -DRS 2.1 or OWASP 3.2

I am using a WAF to secure Application Gateway. Azure portal provide option to choose either of two default rule sets: Microsoft Default Rule Set 2.1 OWASP 3.2 Although documentation says that both rule sets are applied by default in detection mode.…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2024-01-23T14:51:12.5066667+00:00
Rajiv Bansal 141 Reputation points
commented 2024-01-29T23:25:47.2566667+00:00
ChaitanyaNaykodi-MSFT 23,341 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

How do I customize a unique response schema for 4xx and 5xx?

I'm working on the Application Gateway and tried Custom error pages for response customized. My purpose is to return a same json schema for different codes(4xx/5xx) which may due to WAF rules blocked request so I write a json data into the *.html. { …

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2024-01-18T09:15:42.7766667+00:00
Ni, Yibo 20 Reputation points
accepted 2024-01-25T08:22:56.5166667+00:00
Ni, Yibo 20 Reputation points
2 answers

How to have common rule enable for all Azure functions with ALLOW access

Azure functions are exposed to upstream through Azure Front Door. We will enable WAF at Front door to allow the access from all other upstream or other valid data center IP ranges including VPN. We need to restrict the access to the Azure functions only…

Azure API Management
Azure API Management
An Azure service that provides a hybrid, multi-cloud management platform for APIs.
1,791 questions
Azure Functions
Azure Functions
An Azure service that provides an event-driven serverless compute platform.
4,344 questions
Azure Front Door
Azure Front Door
An Azure service that provides a cloud content delivery network with threat protection.
593 questions
Azure Web Application Firewall
asked 2024-01-19T23:45:07.5533333+00:00
Admin_BMAZHUVANCHERY 0 Reputation points
commented 2024-01-25T04:35:16.12+00:00
MayankBargali-MSFT 69,316 Reputation points
3 answers One of the answers was accepted by the question author.

WAF Front Door as an IDS/IDP system

Can Web Application Firewall on Front Door function as an Intrusion Detection/Prevention System? The IDPS systems I've seen for Azure don't look like they will work with Front Door since it is an Edge system. Am I correct in that? Thanks, Eric…

Azure Front Door
Azure Front Door
An Azure service that provides a cloud content delivery network with threat protection.
593 questions
Azure Web Application Firewall
asked 2022-02-23T20:03:37.433+00:00
Eric Logsdon 41 Reputation points
commented 2024-01-24T15:39:32.8633333+00:00
Aaron Gregory 0 Reputation points
1 answer

WAF in AZURE Environment

Hi, I am currently exploring the implementation of Web Application Firewall (WAF) in my existing Azure VM setup and would appreciate your guidance on the following aspects. To provide you with a brief overview of my current configuration, I have a…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2024-01-18T01:40:20.22+00:00
Muhd Azhar 45 Reputation points
commented 2024-01-24T06:44:14.0066667+00:00
KapilAnanth-MSFT 36,311 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

IIS Web Application stops connecting to sftp server after being put it behing Azure Web Application Firewall

Hi Community, Happy 2024! I have a Windows Machine with IIS Web Application which makes conections to SFTP Server from some customers. We implemented Azure WAF and put this application behind it. We also dettached the public ip address from the server…

Azure Web Application Firewall
asked 2024-01-12T14:17:35.8+00:00
Mirella Pellizzon Petruci 61 Reputation points
commented 2024-01-17T02:30:50.9933333+00:00
ChaitanyaNaykodi-MSFT 23,341 Reputation points Microsoft Employee
2 answers One of the answers was accepted by the question author.

How to configure web deploy when a .net application is behind azure waf?

Hi everyone, Before implementing Azure Waf, we used to open an inboud port 8172 in a NSG in our Windows Virtual Machine running IIS 10.o, to deploy our changes to our .net applications. After implementing WAF, I can´t do this anymore. Since my…

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,225 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,665 questions
Azure Web Application Firewall
asked 2022-06-22T21:48:32.31+00:00
Mirella Pellizzon Petruci 61 Reputation points
accepted 2024-01-12T17:15:45.0133333+00:00
Mirella Pellizzon Petruci 61 Reputation points
0 answers

Azure application gateway web application firewall configuration doesn't show the new rule id updated for cve-2023-50164

Hello, Based on the update from Azure regarding the waf ruleset update for cve-2023-50164 (https://azure.microsoft.com/en-in/updates/general-availability-security-update-for-application-gateway-waf-cve202350164/), the rule id is not reflecting in my…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2024-01-02T16:14:49.3366667+00:00
Alex 330 Reputation points
edited a comment 2024-01-11T03:42:16.4866667+00:00
ChaitanyaNaykodi-MSFT 23,341 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

XSS Filter - Category 3: Attribute Vector

This error is coming in azure waf logs so it is false promise or correct promise how to identify. How to resolve this issue any idea

Azure Web Application Firewall
asked 2023-12-21T09:23:28.09+00:00
Sharanaiyya Swami 30 Reputation points
accepted 2024-01-08T07:23:50.69+00:00
Sharanaiyya Swami 30 Reputation points
0 answers

How to fix Failed to parse request body, Multipart request body failed strict validation

This error is coming in azure waf logs so it is false promise or correct promise how to identify. How to resolve this issue any idea

Azure Web Application Firewall
asked 2023-12-14T06:48:42.2366667+00:00
Sharanaiyya Swami 30 Reputation points
commented 2024-01-02T13:04:27.82+00:00
GitaraniSharma-MSFT 47,931 Reputation points Microsoft Employee
1 answer

Request Header Cookies Exclusion Causes 403

We need to exclude request cookies from evaluation for a number of OWASP rules as cookies often randomly generate threats that are false positives for legitimate users. There is no clear documentation on how to exclude REQUEST_COOKIES, so we tried adding…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2023-12-26T20:21:16.69+00:00
Justin Griep 41 Reputation points
commented 2024-01-02T10:29:45.6033333+00:00
GitaraniSharma-MSFT 47,931 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

Confuse in Azure WAF behavior with different browsers

Hello, I have an Azure Application gateway (WAF) that prevention mode is enabled and the OWASP 3 and the Microsoft Bot rule are activate. I checked my web application with chrome and refresh and sent many requests with Chrome. Now I received 403…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2023-12-20T23:28:57.28+00:00
Mohsen Akhavan 936 Reputation points
accepted 2023-12-22T21:14:38.7266667+00:00
Mohsen Akhavan 936 Reputation points
1 answer

False positives elimination in Azure WAF

Hello We have adopted for Azure WAF in our environment, as of now WAF is in detection mode we want to move it to prevention mode, but before doing it we want to identify which detections are legitimate and which are not. we have sentinel workbooks to…

Azure Web Application Firewall
asked 2023-12-07T09:16:58.44+00:00
Kondlyada, Navaneeth Reddy 0 Reputation points
commented 2023-12-14T12:21:13.5466667+00:00
GitaraniSharma-MSFT 47,931 Reputation points Microsoft Employee
2 answers One of the answers was accepted by the question author.

WAF drop silently instead of returning 403

Hi, is it possible, when using WAF, silently drop requests, coming from forbidden clients, instead of returning 403? We are using custom rules, where allowed IP addresses are described. So all requests from remote location, which aren't in allowed list,…

Azure Web Application Firewall
asked 2023-12-08T15:25:45.0766667+00:00
Volodymyr Litovka 121 Reputation points
commented 2023-12-13T12:33:25.0033333+00:00
Volodymyr Litovka 121 Reputation points
1 answer One of the answers was accepted by the question author.

How to exception "920440 - URL file extension is restricted by policy" rule in some use-case without decrease security or risk?

Some times app and client needs to download the some DLL files and the WAF blocked request based on "920440 - URL file extension is restricted by policy" role. Show in the below sample log: requestUri_s:…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2023-12-08T23:42:41.3366667+00:00
Mohsen Akhavan 936 Reputation points
edited a comment 2023-12-12T22:13:43.4033333+00:00
Mohsen Akhavan 936 Reputation points
2 answers One of the answers was accepted by the question author.

Why does WAF block WebResource.axd / ScriptResource.axd?

In rule Microsoft_DefaultRuleSet-2.1-PROTOCOL-ENFORCEMENT-920440, among other things, it blocks WebResource.axd and ScriptResource.axd. The blocks are probably due to CVE-2010-3332 which have long since been patched. Why does WAF still have this as a…

Azure Web Application Firewall
asked 2023-02-26T04:13:27.6133333+00:00
Steve Wardell 21 Reputation points
answered 2023-12-05T08:51:33.7933333+00:00
Adam Page 0 Reputation points
1 answer One of the answers was accepted by the question author.

How to resolve 403 errors for a service after changing WAF policy to protection mode?

We created a WAF policy with DETECTION mode on an application gateway but had to change it to PROTECTION mode as per security rules. Since then, there are 403 errors for one service. How can we resolve this issue?…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2023-11-17T15:32:13.0766667+00:00
Muthuramalingam, Bhuvaneswari 20 Reputation points
accepted 2023-12-05T07:14:55.34+00:00
Muthuramalingam, Bhuvaneswari 20 Reputation points
1 answer

WAF v2 - Exclusion lists

Hi, I configured an Application Gateway with Web Application Firewall in Azure. I am receiving several false positive blocks for the application that communicates with the gateway. I checked the Microsoft tutorial on the exclusion list, but I'm not sure…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
967 questions
Azure Web Application Firewall
asked 2023-11-28T17:09:07.2466667+00:00
000 0 Reputation points
commented 2023-12-01T14:47:27.0866667+00:00
GitaraniSharma-MSFT 47,931 Reputation points Microsoft Employee
1 answer

Azure WAF success stories

Where can I find a report looking back two years on Azure WAF success stories?

Azure Web Application Firewall
asked 2023-11-26T21:04:11+00:00
Obinze Asagwara 0 Reputation points
commented 2023-11-30T06:20:41.3033333+00:00
KapilAnanth-MSFT 36,311 Reputation points Microsoft Employee