Configurações de HSTS para um site <hsts>

Visão geral

O elemento <hsts> do elemento <site> contém atributos que permitem definir configurações de HSTS (Segurança de Transporte Estrito HTTP) para um site no IIS 10.0 versão 1709 e posterior.

Compatibilidade

Instalação

O elemento <hsts> do elemento <site> está incluído na instalação padrão do IIS 10.0 versão 1709 e posteriores.

Instruções

Não há nenhuma interface do usuário que permita configurar o elemento <hsts> do elemento <site> para o IIS 10.0 versão 1709. Para obter exemplos de como configurar o elemento <hsts> do elemento <site> programaticamente, confira a seção Exemplo de Código deste documento.

Configuração

Atributos

Elementos filho

Nenhum.

Exemplo de configuração

O exemplo de configuração a seguir mostra um site chamado Contoso que tem o HSTS habilitado com associações HTTP e HTTPS. O atributo de max-age é definido como 31536000 segundos (um ano) para que os agentes do usuário considerem o host como um host HSTS conhecido dentro de um ano após a recepção do campo de cabeçalho Strict-Transport-Security. O atributo includeSubDomains é definido como true para especificar que a política HSTS se aplica a esse host HSTS (contoso.com), bem como a qualquer subdomínio (por exemplo, www.contoso.com ou marketing.contoso.com). Por fim, o atributo redirectHttpToHttps é definido como true para que todas as solicitações HTTP para o site sejam redirecionadas para HTTPS.

<site name="Contoso" id="1">
    <application path="/" applicationPool="Contoso">
        <virtualDirectory path="/" physicalPath="C:\Contoso\Content" />
    </application>
    <bindings>
        <binding protocol="http" bindingInformation="*:80:contoso.com" />
        <binding protocol="https" bindingInformation="*:443:contoso.com" sslFlags="0" />
    </bindings>
    <hsts enabled="true" max-age="31536000" includeSubDomains="true" redirectHttpToHttps="true" />
</site>

Exemplo de código

Os exemplos de código a seguir habilitam o HSTS para um site chamado Contoso com associações HTTP e HTTPS. O exemplo define o atributo max-age como 31536000 segundos (um ano) e habilita os atributos includeSubDomains e redirectHttpToHttps.

AppCmd.exe

appcmd.exe set config -section:system.applicationHost/sites "/[name='Contoso'].hsts.enabled:True" /commit:apphost
appcmd.exe set config -section:system.applicationHost/sites "/[name='Contoso'].hsts.max-age:31536000" /commit:apphost
appcmd.exe set config -section:system.applicationHost/sites "/[name='Contoso'].hsts.includeSubDomains:True" /commit:apphost
appcmd.exe set config -section:system.applicationHost/sites "/[name='Contoso'].hsts.redirectHttpToHttps:True" /commit:apphost

C#

using System;
using System.Text;
using Microsoft.Web.Administration;

internal static class Sample
{
    private static void Main()
    {
        using(ServerManager serverManager = new ServerManager())
        { 
            Configuration config = serverManager.GetApplicationHostConfiguration();
            ConfigurationSection sitesSection = config.GetSection("system.applicationHost/sites");
            ConfigurationElementCollection sitesCollection = sitesSection.GetCollection();
            
            ConfigurationElement siteElement = FindElement(sitesCollection, "site", "name", @"Contoso");
            if (siteElement == null) throw new InvalidOperationException("Element not found!");

            ConfigurationElement hstsElement = siteElement.GetChildElement("hsts");
            hstsElement["enabled"] = true;
            hstsElement["max-age"] = 31536000;
            hstsElement["includeSubDomains"] = true;
            hstsElement["redirectHttpToHttps"] = true;

            serverManager.CommitChanges();
        }
    }
    
    private static ConfigurationElement FindElement(ConfigurationElementCollection collection, string elementTagName, params string[] keyValues)
    {
        foreach (ConfigurationElement element in collection)
        {
            if (String.Equals(element.ElementTagName, elementTagName, StringComparison.OrdinalIgnoreCase))
            {
                bool matches = true;
                for (int i = 0; i < keyValues.Length; i += 2)
                {
                    object o = element.GetAttributeValue(keyValues[i]);
                    string value = null;
                    if (o != null)
                    {
                        value = o.ToString();
                    }
    
                    if (!String.Equals(value, keyValues[i + 1], StringComparison.OrdinalIgnoreCase))
                    {
                        matches = false;
                        break;
                    }
                }
                if (matches)
                {
                    return element;
                }
            }
        }
        return null;
    }
}

VB.NET

Imports System
Imports System.Text
Imports Microsoft.Web.Administration

Module Sample

   Sub Main()
      Dim serverManager As ServerManager = New ServerManager
      Dim config As Configuration = serverManager.GetApplicationHostConfiguration
      Dim sitesSection As ConfigurationSection = config.GetSection("system.applicationHost/sites")
      Dim sitesCollection As ConfigurationElementCollection = sitesSection.GetCollection

      Dim siteElement As ConfigurationElement = FindElement(sitesCollection, "site", "name", "Contoso")
      If (siteElement Is Nothing) Then
         Throw New InvalidOperationException("Element not found!")
      End If

      Dim hstsElement As ConfigurationElement = siteElement.GetChildElement("hsts")
      hstsElement("enabled") = True
      hstsElement("max-age") = 31536000
      hstsElement("includeSubDomains") = True
      hstsElement("redirectHttpToHttps") = True

      serverManager.CommitChanges()
   End Sub

   Private Function FindElement(ByVal collection As ConfigurationElementCollection, ByVal elementTagName As String, ByVal ParamArray keyValues() As String) As ConfigurationElement
      For Each element As ConfigurationElement In collection
         If String.Equals(element.ElementTagName, elementTagName, StringComparison.OrdinalIgnoreCase) Then
            Dim matches As Boolean = True
            Dim i As Integer
            For i = 0 To keyValues.Length - 1 Step 2
               Dim o As Object = element.GetAttributeValue(keyValues(i))
               Dim value As String = Nothing
               If (Not (o) Is Nothing) Then
                  value = o.ToString
               End If
               If Not String.Equals(value, keyValues((i + 1)), StringComparison.OrdinalIgnoreCase) Then
                  matches = False
                  Exit For
               End If
            Next
            If matches Then
               Return element
            End If
         End If
      Next
      Return Nothing
   End Function

End Module

JavaScript

var adminManager = new ActiveXObject('Microsoft.ApplicationHost.WritableAdminManager');
adminManager.CommitPath = "MACHINE/WEBROOT/APPHOST";
var sitesSection = adminManager.GetAdminSection("system.applicationHost/sites", "MACHINE/WEBROOT/APPHOST");
var sitesCollection = sitesSection.Collection;

var siteElementPos = FindElement(sitesCollection, "site", ["name", "Contoso"]);
if (siteElementPos == -1) throw "Element not found!";
var siteElement = sitesCollection.Item(siteElementPos);

var hstsElement = siteElement.ChildElements.Item("hsts");
hstsElement.Properties.Item("enabled").Value = true;
hstsElement.Properties.Item("max-age").Value = 31536000;
hstsElement.Properties.Item("includeSubDomains").Value = true;
hstsElement.Properties.Item("redirectHttpToHttps").Value = true;

adminManager.CommitChanges();

function FindElement(collection, elementTagName, valuesToMatch)
{
    for (var i = 0; i < collection.Count; i++)
    {
        var element = collection.Item(i);
        if (element.Name == elementTagName)
        {
            var matches = true;
            for (var iVal = 0; iVal < valuesToMatch.length; iVal += 2)
            {
                var property = element.GetPropertyByName(valuesToMatch[iVal]);
                var value = property.Value;
                if (value != null)
                {
                    value = value.toString();
                }
                if (value != valuesToMatch[iVal + 1])
                {
                    matches = false;
                    break;
                }
            }
            if (matches)
            {
                return i;
            }
        }
    }
    
    return -1;
}

VBScript

Set adminManager = WScript.CreateObject("Microsoft.ApplicationHost.WritableAdminManager")
adminManager.CommitPath = "MACHINE/WEBROOT/APPHOST"
Set sitesSection = adminManager.GetAdminSection("system.applicationHost/sites", "MACHINE/WEBROOT/APPHOST")
Set sitesCollection = sitesSection.Collection
siteElementPos = FindElement(sitesCollection, "site", Array("name", "Contoso"))

If siteElementPos = -1 Then
   WScript.Echo "Element not found!"
   WScript.Quit
End If

Set siteElement = sitesCollection.Item(siteElementPos)
Set hstsElement = siteElement.ChildElements.Item("hsts")
hstsElement.Properties.Item("enabled").Value = True
hstsElement.Properties.Item("max-age").Value = 31536000
hstsElement.Properties.Item("includeSubDomains").Value = True
hstsElement.Properties.Item("redirectHttpToHttps").Value = True

adminManager.CommitChanges()

Function FindElement(collection, elementTagName, valuesToMatch)
   For i = 0 To CInt(collection.Count) - 1
      Set element = collection.Item(i)
      If element.Name = elementTagName Then
         matches = True
         For iVal = 0 To UBound(valuesToMatch) Step 2
            Set property = element.GetPropertyByName(valuesToMatch(iVal))
            value = property.Value
            If Not IsNull(value) Then
               value = CStr(value)
            End If
            If Not value = CStr(valuesToMatch(iVal + 1)) Then
               matches = False
               Exit For
            End If
         Next
         If matches Then
            Exit For
         End If
      End If
   Next
   If matches Then
      FindElement = i
   Else
      FindElement = -1
   End If
End Function

Cmdlets do PowerShell IISAdministration

Import-Module IISAdministration
Reset-IISServerManager -Confirm:$false
Start-IISCommitDelay

$sitesCollection = Get-IISConfigSection -SectionPath "system.applicationHost/sites" | Get-IISConfigCollection
$siteElement = Get-IISConfigCollectionElement -ConfigCollection $sitesCollection -ConfigAttribute @{"name"="Contoso"}
$hstsElement = Get-IISConfigElement -ConfigElement $siteElement -ChildElementName "hsts"
Set-IISConfigAttributeValue -ConfigElement $hstsElement -AttributeName "enabled" -AttributeValue $true
Set-IISConfigAttributeValue -ConfigElement $hstsElement -AttributeName "max-age" -AttributeValue 31536000
Set-IISConfigAttributeValue -ConfigElement $hstsElement -AttributeName "includeSubDomains" -AttributeValue $true
Set-IISConfigAttributeValue -ConfigElement $hstsElement -AttributeName "redirectHttpToHttps" -AttributeValue $true

Stop-IISCommitDelay
Remove-Module IISAdministration