IIS HSTS 기술 및 적용

<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>
<a href="https://learn.microsoft.com/ko-kr/iis/configuration/system.applicationhost/sites/site/hsts#sample-code"></a>

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

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;
    }
}
<a href="https://learn.microsoft.com/ko-kr/iis/configuration/system.applicationhost/sites/site/hsts#vbnet"></a>

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
<a href="https://learn.microsoft.com/ko-kr/iis/configuration/system.applicationhost/sites/site/hsts#javascript"></a>

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;
}

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
<a href="https://learn.microsoft.com/ko-kr/iis/configuration/system.applicationhost/sites/site/hsts#iisadministration-powershell-cmdlets"></a>

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