Added Client IP Preservation properties to Application Gateway model

src/Network/Network/ApplicationGateway/BackendSettings/AzureApplicationGatewayBackendSettingsBase.cs

@@ -74,6 +74,11 @@ public class AzureApplicationGatewayBackendSettingsBase : NetworkBaseCmdlet
             HelpMessage = "Sets host header to be sent to the backend servers.")]
         public string HostName { get; set; }
 
+        [Parameter(
+            Mandatory = false,
+            HelpMessage = "Whether to send Proxy Protocol header to backend servers over TCP or TLS protocols. Default value is false.")]
+        public bool? EnableL4ClientIpPreservation { get; set; }
+
         public override void ExecuteCmdlet()
         {
             base.ExecuteCmdlet();
@@ -123,6 +128,16 @@ public PSApplicationGatewayBackendSettings NewObject()
                 backendSettings.PickHostNameFromBackendAddress = true;
             }
 
+            if (this.EnableL4ClientIpPreservation.HasValue)
+            {
+                backendSettings.EnableL4ClientIpPreservation = this.EnableL4ClientIpPreservation.Value;
+            }
+            else
+            {
+                // Default value is false according to the API specification
+                backendSettings.EnableL4ClientIpPreservation = false;
+            }
+
             if(this.HostName != null)
             {
                 backendSettings.HostName = this.HostName;

src/Network/Network/ApplicationGateway/Probe/AzureApplicationGatewayProbeConfigBase.cs

@@ -80,6 +80,11 @@ public class AzureApplicationGatewayProbeConfigBase : NetworkBaseCmdlet
         [ValidateRange(1, 65535)]
         public int Port { get; set; }
 
+        [Parameter(
+            Mandatory = false,
+            HelpMessage = "Whether to send Proxy Protocol header along with the Health Probe over TCP or TLS protocol. Default value is false.")]
+        public bool? EnableProbeProxyProtocolHeader { get; set; }
+
         [Parameter(
            Mandatory = false,
            HelpMessage = "Body that must be contained in the health response. Default value is empty")]
@@ -107,6 +112,16 @@ public PSApplicationGatewayProbe NewObject()
                 probe.Port = this.Port;
             }
 
+            if (this.EnableProbeProxyProtocolHeader.HasValue)
+            {
+                probe.EnableProbeProxyProtocolHeader = this.EnableProbeProxyProtocolHeader.Value;
+            }
+            else
+            {
+                // Default value is false according to the API specification
+                probe.EnableProbeProxyProtocolHeader = false;
+            }
+
             probe.Id =
                 ApplicationGatewayChildResourceHelper.GetResourceNotSetId(
                     this.NetworkClient.NetworkManagementClient.SubscriptionId,

src/Network/Network/ChangeLog.md

@@ -24,6 +24,14 @@
     - Added `-AuthenticationType` and `-CertificateAuthentication` parameters to `New-AzVirtualNetworkGatewayConnection` and `Set-AzVirtualNetworkGatewayConnection`
     - Added `-UserAssignedIdentityId` parameter to `Set-AzVirtualNetworkGateway` and `New-AzVirtualNetworkGateway` for managed identity configuration
 * Upgraded the api version from 2024-10-01 to 2025-01-01
+* Added property 'EnableL4ClientIpPreservation' to Application Gateway Backend Settings, as well as support for them in the following cmdlets:
+    - `New-AzApplicationGatewayBackendSetting`
+    - `Add-AzApplicationGatewayBackendSetting`
+    - `Set-AzApplicationGatewayBackendSetting`
+* Added property 'EnableProbeProxyProtocolHeader' to Application Gateway Probes, as well as support for them in the following cmdlets:
+    - `Set-AzApplicationGatewayProbeConfig`
+	- `Add-AzApplicationGatewayProbeConfig`
+	- `New-AzApplicationGatewayProbeConfig`
 
 ## Version 7.21.0
 - Added deprecation warning for cmdlet `Invoke-AzFirewallPacketCapture`

src/Network/Network/Models/PSApplicationGatewayBackendSettings.cs

@@ -35,6 +35,8 @@ public class PSApplicationGatewayBackendSettings : PSChildResource
         [Ps1Xml(Target = ViewControl.Table)]
         public bool? PickHostNameFromBackendAddress { get; set; }
         [Ps1Xml(Target = ViewControl.Table)]
+        public bool? EnableL4ClientIpPreservation { get; set; }
+        [Ps1Xml(Target = ViewControl.Table)]
         public string ProvisioningState { get; set; }
         public string Type { get; set; }
 

src/Network/Network/Models/PSApplicationGatewayProbe.cs

@@ -38,6 +38,8 @@ public class PSApplicationGatewayProbe : PSChildResource
         public int? MinServers { get; set; }
         [Ps1Xml(Target = ViewControl.Table)]
         public int? Port { get; set; }
+        [Ps1Xml(Target = ViewControl.Table)]
+        public bool? EnableProbeProxyProtocolHeader { get; set; }
         public PSApplicationGatewayProbeHealthResponseMatch Match { get; set; }
         [Ps1Xml(Target = ViewControl.Table)]
         public string ProvisioningState { get; set; }

src/Network/Network/help/Add-AzApplicationGatewayBackendSetting.md

@@ -17,6 +17,7 @@ Add-AzApplicationGatewayBackendSetting -ApplicationGateway <PSApplicationGateway
  -Protocol <String> [-Timeout <Int32>] [-ProbeId <String>] [-Probe <PSApplicationGatewayProbe>]
  [-TrustedRootCertificate <PSApplicationGatewayTrustedRootCertificate[]>] [-PickHostNameFromBackendAddress]
  [-HostName <String>] [-DefaultProfile <IAzureContextContainer>]
+ [-EnableL4ClientIpPreservation <Boolean>]
  [<CommonParameters>]
 ```
 
@@ -202,6 +203,20 @@ Default value: None
 Accept pipeline input: False
 Accept wildcard characters: False
 ```
+### -EnableL4ClientIpPreservation
+Whether to send Proxy Protocol header to backend servers over TCP or TLS protocols. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
 
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).

src/Network/Network/help/Add-AzApplicationGatewayProbeConfig.md

@@ -17,6 +17,7 @@ Add-AzApplicationGatewayProbeConfig -ApplicationGateway <PSApplicationGateway> -
  -Protocol <String> [-HostName <String>] [-Path <String>] -Interval <Int32> -Timeout <Int32>
  -UnhealthyThreshold <Int32> [-PickHostNameFromBackendHttpSettings] [-MinServers <Int32>] [-Port <Int32>]
  [-Match <PSApplicationGatewayProbeHealthResponseMatch>] [-DefaultProfile <IAzureContextContainer>]
+ [-EnableProbeProxyProtocolHeader <Boolean>]
  [<CommonParameters>]
 ```
 
@@ -177,6 +178,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableProbeProxyProtocolHeader
+Whether to send Proxy Protocol header along with the Health Probe over TCP or TLS protocol. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Port
 Port that is used for probing the backend server
 

src/Network/Network/help/New-AzApplicationGatewayBackendSetting.md

@@ -17,6 +17,7 @@ New-AzApplicationGatewayBackendSetting -Name <String> -Port <Int32> -Protocol <S
  [-ProbeId <String>] [-Probe <PSApplicationGatewayProbe>]
  [-TrustedRootCertificate <PSApplicationGatewayTrustedRootCertificate[]>] [-PickHostNameFromBackendAddress]
  [-HostName <String>] [-DefaultProfile <IAzureContextContainer>]
+ [-EnableL4ClientIpPreservation <Boolean>]
  [<CommonParameters>]
 ```
 
@@ -188,6 +189,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableL4ClientIpPreservation
+Whether to send Proxy Protocol header to backend servers over TCP or TLS protocols. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
 

src/Network/Network/help/New-AzApplicationGatewayProbeConfig.md

@@ -16,6 +16,7 @@ Creates a health probe.
 New-AzApplicationGatewayProbeConfig -Name <String> -Protocol <String> [-HostName <String>] [-Path <String>]
  -Interval <Int32> -Timeout <Int32> -UnhealthyThreshold <Int32> [-PickHostNameFromBackendHttpSettings]
  [-MinServers <Int32>] [-Port <Int32>] [-Match <PSApplicationGatewayProbeHealthResponseMatch>]
+ [-EnableProbeProxyProtocolHeader <Boolean>]
  [-DefaultProfile <IAzureContextContainer>] [<CommonParameters>]
 ```
 
@@ -219,6 +220,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableProbeProxyProtocolHeader
+Whether to send Proxy Protocol header along with the Health Probe over TCP or TLS protocol. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -UnhealthyThreshold
 Specifies the probe retry count.
 The backend server is marked down after consecutive probe failure count reaches the unhealthy threshold.

src/Network/Network/help/Set-AzApplicationGatewayBackendSetting.md

@@ -17,6 +17,7 @@ Set-AzApplicationGatewayBackendSetting -ApplicationGateway <PSApplicationGateway
  -Protocol <String> [-Timeout <Int32>] [-ProbeId <String>] [-Probe <PSApplicationGatewayProbe>]
  [-TrustedRootCertificate <PSApplicationGatewayTrustedRootCertificate[]>] [-PickHostNameFromBackendAddress]
  [-HostName <String>] [-DefaultProfile <IAzureContextContainer>]
+ [-EnableL4ClientIpPreservation <Boolean>]
  [<CommonParameters>]
 ```
 
@@ -203,6 +204,20 @@ Default value: None
 Accept pipeline input: False
 Accept wildcard characters: False
 ```
+### -EnableL4ClientIpPreservation
+Whether to send Proxy Protocol header to backend servers over TCP or TLS protocols. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
 
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).

src/Network/Network/help/Set-AzApplicationGatewayProbeConfig.md

@@ -17,6 +17,7 @@ Set-AzApplicationGatewayProbeConfig -ApplicationGateway <PSApplicationGateway> -
  -Protocol <String> [-HostName <String>] [-Path <String>] -Interval <Int32> -Timeout <Int32>
  -UnhealthyThreshold <Int32> [-PickHostNameFromBackendHttpSettings] [-MinServers <Int32>] [-Port <Int32>]
  [-Match <PSApplicationGatewayProbeHealthResponseMatch>] [-DefaultProfile <IAzureContextContainer>]
+ [-EnableProbeProxyProtocolHeader <Boolean>]
  [<CommonParameters>]
 ```
 
@@ -253,6 +254,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableProbeProxyProtocolHeader
+Whether to send Proxy Protocol header along with the Health Probe over TCP or TLS protocol. Default value is false.
+
+```yaml
+Type: System.Boolean
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).