[Doc]: New-AzFirewallPolicyApplicationRuleCustomHttpHeader

[Lycrosa]

Type of issue

Missing information

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Hello,

I found documentation to this command: New-AzFirewallPolicyApplicationRuleCustomHttpHeader

https://learn.microsoft.com/en-us/powershell/module/az.network/new-azfirewallpolicyapplicationrulecustomhttpheader?view=azps-11.5.0

This explains the command, but I can't seem to find any documentation as to what this does. I don't even see that this feature exists besides that command. My Expectation is I Create this header and add it to an application rule. Then when this rule is hit the firewall will insert the header. However this doesn't seem to work. My guess is I am doing something wrong, but I have no idea what. Could you maybe add more information on how exactly this works?

For reference, here the application rule I created:

SourceAddresses         : {*}
TargetFqdns             : {login.microsoftonline.com, login.microsoft.com, login.windows.net}
FqdnTags                : {}
Protocols               : {Microsoft.Azure.Commands.Network.Models.PSAzureFirewallPolicyApplicationRuleProtocol,
                          Microsoft.Azure.Commands.Network.Models.PSAzureFirewallPolicyApplicationRuleProtocol}
SourceIpGroups          : {}
WebCategories           : {}
TargetUrls              : {}
TerminateTLS            : True
HttpHeadersToInsert     : {Restrict-Access-To-Tenants, Restrict-Access-Context}
Description             :
ProtocolsText           : [
                            {
                              "protocolType": "Http",
                              "port": 80
                            },
                            {
                              "protocolType": "Https",
                              "port": 443
                            }
                          ]
SourceAddressesText     : [
                            "*"
                          ]
SourceIpGroupsText      : []
TargetFqdnsText         : [
                            "login.microsoftonline.com",
                            "login.microsoft.com",
                            "login.windows.net"
                          ]
FqdnTagsText            : []
WebCategoriesText       : []
TargetUrlsText          : []
HttpHeadersToInsertText : [
                            {
                              "headerName": "Restrict-Access-To-Tenants",
                              "headerValue": "111fd61c-a2a5-4514-8a8a-f923d46b9b79"
                            },
                            {
                              "headerName": "Restrict-Access-Context",
                              "headerValue": "111fd61c-a2a5-4514-8a8a-f923d46b9b79"
                            }
                          ]
Name                    : restricttenant
RuleType                : ApplicationRule

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[Alex-wdy]

@gopimsft @gimotwanMSFT can you look at this issue?