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Azure Gateway WAF - Diagnostics Issue

I'm trying to setup Azure WAF (v2) on my App Gateway (currently in detection mode first to handle false positive cases), however, I'm seeing this warning: To view your detection logs, you must have ...
ShP's user avatar
  • 1,143
4 votes
1 answer
7k views

How to whitelist an ip address in Azure WAF

I have an Azure Application Gateway Web Application Firewall using the OWASP 3.0 ruleset. I created a custom policy so I could create a custom rule which simply allows traffic if it's from a specific ...
devlife's user avatar
  • 15.7k
2 votes
2 answers
1k views

SQL Server Reporting Services (SSRS) web portal not working with Azure Application Gateway v2

Has anyone had luck getting SSRS to work when behind a v2 Azure Application Gateway? The site loads, but randomly prompts for authentication and fails to render part of the site properly. I first ...
Brandon Brown's user avatar
1 vote
1 answer
1k views

Error in adding subnet while creating WAFV2 application gateway in azure

While adding subnet for creating a WAFV2 application gateway in azure, I tried to use the subnet used in WAFV1 gateway. But it is showing an error "Subnet does not support application gateway ...
NVJ's user avatar
  • 39
1 vote
1 answer
84 views

Bicep code to deploy WAF policy for Azure Application gateway

I am trying to deploy a WAF policy for Application gateway with bicep. It should contain OWASP rule set 3.2. My code is as below: param wafPolicyName string = 'mypolicy' param location string = '...
MoonHorse's user avatar
  • 2,147
1 vote
1 answer
1k views

How to create an exclusion list for certain rules based on RequestUri on the Azure WAF policy associated with Azure Application Gateway?

I have a request URL : www.<some-url>.com/submit . I can see that I can create exclusions based on args, headers and cookies in exclusion lists for the Azure WAF policy, however, I was hoping ...
Akash Masand's user avatar
  • 1,551
1 vote
2 answers
903 views

Azure Application Gateway WAF Policy Custom Rule Update

I have an Application Gateway WAF policy. I want to update the existing custom rule by adding another IP address. How can I do this dynamically from Powershell or Azure CLI?
Souvik Saha Choudhury's user avatar
1 vote
1 answer
359 views

Azure application gateway v2

Could you please help me? I currently work with Azure application gateway waf v2 and when I try to access an application it redirects me perfectly but it does not take the variables for example when I ...
th3g3ntl3man's user avatar
1 vote
1 answer
727 views

Maximum Character allowed in Query string of WAF

Currently my WAF is blocking my query strings because of long query strings. Is there a way for WAF to allow long query strings? Otherwise what is the limit in characters that is allowed in the query ...
weewoo's user avatar
  • 155
0 votes
1 answer
5k views

Terraform Error: Failed to query available provider packages

I'm trying to deploy a simple infrastructure in Azure through Terraform, the infrastructure is made of an Application Gateway (with Web Application Firewall, so the WAF_v2 version) with two virtual ...
Gregory's user avatar
  • 151
0 votes
1 answer
678 views

Setup WAF for App Services without Application Gateway

I am searching for a way to enable WAF for my App Services but I don't want to use Application Gateway instead I am wondering if it is possible to configure WAF in the app services itself. Need some ...
samssagar's user avatar
0 votes
1 answer
157 views

How to add CNAME for app service which is behind the WAF Application Gateaway?

I have one app service which has one custom domain(abc.com) and a default domain(something.azurewebsites.net). There is one WAF AG(Application gateway) infront of app service. In the dns zone, I have ...
Saurav Likhar's user avatar
0 votes
1 answer
567 views

How to dissociate WAF from Azure application gateway?

How to dissociate WAF from Azure application gateway? I selected the WAF and clicked on associated application gateways. Selected the application gateway that needs to be dissociated from the WAF. but ...
Shubham Avasthi's user avatar
0 votes
1 answer
792 views

How to setup session affinity for Rest API in Azure App Service

I have a frontend app service (scaled up to 3 nodes) and a api app service (scaled up to 3 nodes) on Azure. When user enter the website, the request goes to frontend app service first and then ...
Kelvin's user avatar
  • 1
0 votes
1 answer
738 views

How to configure NSG for WAF v2 Application Gateway subnet?

I want to configure Network Security Group(NSG) for my Application gateway(AG) subnet. I tried to follow this doc - here but after applying the inbound rules to my NSG, I am getting timeout when ...
Saurav Likhar's user avatar
0 votes
1 answer
1k views

Azure Application GW WAF custom rule not working

I have an App GW WAF v2 where I need to set up a custom rule to check for the presence of a Request Header. I couldn't get it to work. So next I set up a very simple check. "customRules":[{ ...
JakeUT's user avatar
  • 415
0 votes
2 answers
630 views

Access Denied error on mutual authentication in Application Gateway v2 and Azure App Service

Ref1: enter link description here Ref2: enter link description here I've implemented mutual (certificate) authentication and I hosted my app on the Azure App service. When I open directly my app URL ...
Shadi 's user avatar
  • 173
0 votes
1 answer
365 views

Azure WAF custom rule to block all PHP requests

I have a Application Gateway with WAF in front of several applications (WebAPI, FunctionApp). My application are all written for .NET6+. I see in my logs a lot of requests to PHP files. Most likely ...
Paul Meems's user avatar
  • 3,154
0 votes
1 answer
2k views

Azure Application Gateway Timeout #long running process

We are using Azure Application Gateway with WAF. We have configured a timeout of 3600 seconds, and we performed the following scenario with Azure WAF and without WAF: With Azure: The application runs ...
Parth Mehta's user avatar
0 votes
0 answers
1k views

Allowing HTTP Header Content Type */* in Azure WAF Rules

I am trying to call the Azure-hosted API endpoint using a 3rd party application. Application sends the HTTP request with the header values ContentType = "*/*"; Azure Application Gateway WAF ...
Harsha W's user avatar
  • 3,266
0 votes
2 answers
694 views

Azure Applicatoin Gateway WAF managed rule exclusion remove cli command not working as expected

Configured Azure Application Gateway with WAF enabled, trying to remove waf managed rule exclusion using az network application-gateway waf-policy managed-rule exclusion rule-set remove command. ...
Rajakumar Babu's user avatar
0 votes
0 answers
258 views

Azure WAF Rewrite rules for updating port numbers

I have a server in Azure running two web apps, one on port 443 (IIS), another on 1024 (Apache). Both are https. I have an Azure Application Gateway (WAF v2) in place. I would like to allow requests ...
MattE's user avatar
  • 1
0 votes
1 answer
42 views

Unable to create a WAF2 gateway in azure

On the final stage of creating a WAF2 gateway, there is an error with code "ApplicationGatewaySslCertificateTooBig" and message "Data too big for certificate". Could anyone please ...
NVJ's user avatar
  • 39
0 votes
1 answer
1k views

Toggle an Application Gateway WAF to Prevention/Detection mode

Goal: Toggle an application Gateway WAF between prevention and detection mode via code. Configuration Details: App GW SKU: WAFv2 Application Gateway WAF deployed Custom rules and managed policies are ...
ChiefSmo's user avatar
0 votes
1 answer
798 views

Azure: After Uploading SSL CERTIFICATE through Application Gateway Listeners on azure ,URL is not hitting

After creating Application Gateway Listeners and rules we have uploaded the SSL certificate(HTTPS) for Port:-443, but URL is not hitting. we are using application gateway WAF , App services, we have ...
Kartik Agarwal's user avatar
0 votes
1 answer
756 views

Azure: Application gateway listeners based routing. A communication error occurred: "Operation timed out"

We have configured Listeners and add the rules and upload the SSL certificate on Azure portal But the server is not hitting the URL. Suggest me if there any settings i missed to configure to enable ...
Kartik Agarwal's user avatar
0 votes
1 answer
349 views

How to analyze WAF rules on Azure?

We have an accreditation requirement to prepare some form a report that has charts/metrics of WAF detection examples, as well as recommendations We essentially want to perform a couple hours of ...
Cataster's user avatar
  • 3,263
0 votes
1 answer
1k views

In a REST API on a field like a password where special characters are encouraged what is the best-practice for encoding to avoid WAF false-positives

I have a REST API that uses JSON data. The Web-Application-Firewall (WAF) monitoring the traffic uses standard OWASP rules. One rule is blocking passwords that have caret characters. e.g. leA^n12 I ...
Rex Bloom's user avatar
  • 374
0 votes
2 answers
409 views

How to change order Listener in Azure Application gateway

In Azure Application gateway, you can associate Listeners with the host name. but, how to change the order of the listeners, since the choice is made in order. Example: Name: port host ...
Fabio De Carli's user avatar
0 votes
1 answer
681 views

Forwarding request to Azure Application Gateway Backend Pool depending upon Incoming request header

I have the following Setup: One Application Gateway with WAF V2. Two backend pools (say Backend1 and Backend2). Both backends have same Application but with different version (Say V1 and V2). I want ...
Fraxxx's user avatar
  • 114
0 votes
2 answers
3k views

How to create WAF exclusion for specific HTTP header value

We have an OWASP rule that is wrongfully being hit for a specific website, say xyz.com How can we create an exclusion in the Azure WAF policy for that rule only for this specific website? I was trying ...
EsTeGe's user avatar
  • 2,995
-2 votes
1 answer
2k views

Web application firewall (WAF) rules validation by javascript

WAF Rules applied to web application which is already developed. To overcome WAF blocking inputs , need to convert format of input or encode input before form submitting got failed. If any ...
Udhayavanan's user avatar