สอบถามเรื่องการตั้งค่า Cache-Control: no-cache,max-age=604800 ค่ะ

<system.webServer>
  <httpProtocol>
    <customHeaders>
      <!-- SECURITY HEADERS - https://securityheaders.io/? -->
      <!-- Protects against Clickjacking attacks. ref.: http://stackoverflow.com/a/22105445/1233379 -->
      <add name="X-Frame-Options" value="SAMEORIGIN" />
      <!-- Protects against Clickjacking attacks. ref.: https://www.owasp.org/index.php/HTTP_Strict_Transport_Security_Cheat_Sheet -->
      <add name="Strict-Transport-Security" value="max-age=31536000; includeSubDomains"/>
      <!-- Protects against XSS injections. ref.: https://www.veracode.com/blog/2014/03/guidelines-for-setting-security-headers/ -->
      <add name="X-XSS-Protection" value="1; mode=block" />
      <!-- Protects against MIME-type confusion attack. ref.: https://www.veracode.com/blog/2014/03/guidelines-for-setting-security-headers/ -->
      <add name="X-Content-Type-Options" value="nosniff" />
      <!-- CSP modern XSS directive-based defence, used since 2014. ref.: http://content-security-policy.com/ -->
      <add name="Content-Security-Policy" value="default-src 'self'; font-src *;img-src * data:; script-src *; style-src *;" />
      <!-- Prevents from leaking referrer data over insecure connections. ref.: https://scotthelme.co.uk/a-new-security-header-referrer-policy/ -->
      <add name="Referrer-Policy" value="strict-origin" />
    </customHeaders>
  </httpProtocol>
</system.webServer>