aws/api: Update Cloudfront API.

* aws/api/cloudfront-2019-03-26.normal.json: Replace with version v2.680.0.

1 files changed, 22 insertions, 22 deletions

diff --git a/aws/api/cloudfront-2019-03-26.normal.json b/aws/api/cloudfront-2019-03-26.normal.json
index ab547c7..bd7c01f 100644
--- a/aws/api/cloudfront-2019-03-26.normal.json
+++ b/aws/api/cloudfront-2019-03-26.normal.json
@@ -1718,7 +1718,7 @@
         },
         "ICPRecordalStatus": {
           "shape": "ICPRecordalStatus",
-          "documentation": "<p>The Internet Content Provider (ICP) recordal status for a CNAME. The ICPRecordalStatus is set to APPROVED for all CNAMEs (aliases) in regions outside of China. </p> <p>The status values returned are the following:</p> <ul> <li> <p> <b>APPROVED</b> indicates that the associated CNAME has a valid ICP recordal number. Multiple CNAMEs can be associated with a distribution, and CNAMEs can correspond to different ICP recordals. To be marked as APPROVED, that is, valid to use with China region, a CNAME must have one ICP recordal number associated with it.</p> </li> <li> <p> <b>SUSPENDED</b> indicates that the associated CNAME does not have a valid ICP recordal number.</p> </li> <li> <p> <b>PENDING</b> indicates that at least one CNAME associated with the distribution does not have a valid ICP recordal number.</p> </li> </ul>"
+          "documentation": "<p>The Internet Content Provider (ICP) recordal status for a CNAME. The ICPRecordalStatus is set to APPROVED for all CNAMEs (aliases) in regions outside of China. </p> <p>The status values returned are the following:</p> <ul> <li> <p> <b>APPROVED</b> indicates that the associated CNAME has a valid ICP recordal number. Multiple CNAMEs can be associated with a distribution, and CNAMEs can correspond to different ICP recordals. To be marked as APPROVED, that is, valid to use with China region, a CNAME must have one ICP recordal number associated with it.</p> </li> <li> <p> <b>SUSPENDED</b> indicates that the associated CNAME does not have a valid ICP recordal number.</p> </li> <li> <p> <b>PENDING</b> indicates that CloudFront can't determine the ICP recordal status of the CNAME associated with the distribution because there was an error in trying to determine the status. You can try again to see if the error is resolved in which case CloudFront returns an APPROVED or SUSPENDED status.</p> </li> </ul>"
         }
       },
       "documentation": "<p>AWS services in China customers must file for an Internet Content Provider (ICP) recordal if they want to serve content publicly on an alternate domain name, also known as a CNAME, that they've added to CloudFront. AliasICPRecordal provides the ICP recordal status for CNAMEs associated with distributions. The status is returned in the CloudFront response; you can't configure it yourself.</p> <p>For more information about ICP recordals, see <a href=\"https://docs.amazonaws.cn/en_us/aws/latest/userguide/accounts-and-credentials.html\"> Signup, Accounts, and Credentials</a> in <i>Getting Started with AWS services in China</i>.</p>"
@@ -1803,7 +1803,7 @@
         },
         "ForwardedValues": {
           "shape": "ForwardedValues",
-          "documentation": "<p>A complex type that specifies how CloudFront handles query strings and cookies.</p>"
+          "documentation": "<p>A complex type that specifies how CloudFront handles query strings, cookies, and HTTP headers.</p>"
         },
         "TrustedSigners": {
           "shape": "TrustedSigners",
@@ -2085,11 +2085,11 @@
       "members": {
         "Quantity": {
           "shape": "integer",
-          "documentation": "<p>The number of different cookies that you want CloudFront to forward to the origin for this cache behavior.</p>"
+          "documentation": "<p>The number of different cookies that you want CloudFront to forward to the origin for this cache behavior. The value must equal the number of items that are in the <code>Items</code> field.</p> <p>When you set <code>Forward = whitelist</code> (in the <code>CookiePreferences</code> object), this value must be <code>1</code> or higher.</p>"
         },
         "Items": {
           "shape": "CookieNameList",
-          "documentation": "<p>A complex type that contains one <code>Name</code> element for each cookie that you want CloudFront to forward to the origin for this cache behavior.</p>"
+          "documentation": "<p>A complex type that contains one <code>Name</code> element for each cookie that you want CloudFront to forward to the origin for this cache behavior. It must contain the same number of items that is specified in the <code>Quantity</code> field.</p> <p>When you set <code>Forward = whitelist</code> (in the <code>CookiePreferences</code> object), this field must contain at least one item.</p>"
         }
       },
       "documentation": "<p>A complex type that specifies whether you want CloudFront to forward cookies to the origin and, if so, which ones. For more information about forwarding cookies to the origin, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/header-caching.html\"> Caching Content Based on Request Headers</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
@@ -2102,11 +2102,11 @@
       "members": {
         "Forward": {
           "shape": "ItemSelection",
-          "documentation": "<p>Specifies which cookies to forward to the origin for this cache behavior: all, none, or the list of cookies specified in the <code>WhitelistedNames</code> complex type.</p> <p>Amazon S3 doesn't process cookies. When the cache behavior is forwarding requests to an Amazon S3 origin, specify none for the <code>Forward</code> element. </p>"
+          "documentation": "<p>Specifies which cookies to forward to the origin for this cache behavior: all, none, or the list of cookies specified in the <code>WhitelistedNames</code> complex type.</p> <p>Amazon S3 doesn't process cookies. When the cache behavior is forwarding requests to an Amazon S3 origin, specify none for the <code>Forward</code> element.</p>"
         },
         "WhitelistedNames": {
           "shape": "CookieNames",
-          "documentation": "<p>Required if you specify <code>whitelist</code> for the value of <code>Forward:</code>. A complex type that specifies how many different cookies you want CloudFront to forward to the origin for this cache behavior and, if you want to forward selected cookies, the names of those cookies.</p> <p>If you specify <code>all</code> or none for the value of <code>Forward</code>, omit <code>WhitelistedNames</code>. If you change the value of <code>Forward</code> from <code>whitelist</code> to all or none and you don't delete the <code>WhitelistedNames</code> element and its child elements, CloudFront deletes them automatically.</p> <p>For the current limit on the number of cookie names that you can whitelist for each cache behavior, see <a href=\"https://docs.aws.amazon.com/general/latest/gr/xrefaws_service_limits.html#limits_cloudfront\"> CloudFront Limits</a> in the <i>AWS General Reference</i>.</p>"
+          "documentation": "<p>Required if you specify <code>whitelist</code> for the value of <code>Forward</code>. A complex type that specifies how many different cookies you want CloudFront to forward to the origin for this cache behavior and, if you want to forward selected cookies, the names of those cookies.</p> <p>If you specify <code>all</code> or <code>none</code> for the value of <code>Forward</code>, omit <code>WhitelistedNames</code>. If you change the value of <code>Forward</code> from <code>whitelist</code> to <code>all</code> or <code>none</code> and you don't delete the <code>WhitelistedNames</code> element and its child elements, CloudFront deletes them automatically.</p> <p>For the current limit on the number of cookie names that you can whitelist for each cache behavior, see <a href=\"https://docs.aws.amazon.com/general/latest/gr/xrefaws_service_limits.html#limits_cloudfront\"> CloudFront Limits</a> in the <i>AWS General Reference</i>.</p>"
         }
       },
       "documentation": "<p>A complex type that specifies whether you want CloudFront to forward cookies to the origin and, if so, which ones. For more information about forwarding cookies to the origin, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Cookies.html\">Caching Content Based on Cookies</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
@@ -2487,15 +2487,15 @@
         },
         "ResponsePagePath": {
           "shape": "string",
-          "documentation": "<p>The path to the custom error page that you want CloudFront to return to a viewer when your origin returns the HTTP status code specified by <code>ErrorCode</code>, for example, <code>/4xx-errors/403-forbidden.html</code>. If you want to store your objects and your custom error pages in different locations, your distribution must include a cache behavior for which the following is true:</p> <ul> <li> <p>The value of <code>PathPattern</code> matches the path to your custom error messages. For example, suppose you saved custom error pages for 4xx errors in an Amazon S3 bucket in a directory named <code>/4xx-errors</code>. Your distribution must include a cache behavior for which the path pattern routes requests for your custom error pages to that location, for example, <code>/4xx-errors/*</code>. </p> </li> <li> <p>The value of <code>TargetOriginId</code> specifies the value of the <code>ID</code> element for the origin that contains your custom error pages.</p> </li> </ul> <p>If you specify a value for <code>ResponsePagePath</code>, you must also specify a value for <code>ResponseCode</code>. If you don't want to specify a value, include an empty element, <code>&lt;ResponsePagePath&gt;</code>, in the XML document.</p> <p>We recommend that you store custom error pages in an Amazon S3 bucket. If you store custom error pages on an HTTP server and the server starts to return 5xx errors, CloudFront can't get the files that you want to return to viewers because the origin server is unavailable.</p>"
+          "documentation": "<p>The path to the custom error page that you want CloudFront to return to a viewer when your origin returns the HTTP status code specified by <code>ErrorCode</code>, for example, <code>/4xx-errors/403-forbidden.html</code>. If you want to store your objects and your custom error pages in different locations, your distribution must include a cache behavior for which the following is true:</p> <ul> <li> <p>The value of <code>PathPattern</code> matches the path to your custom error messages. For example, suppose you saved custom error pages for 4xx errors in an Amazon S3 bucket in a directory named <code>/4xx-errors</code>. Your distribution must include a cache behavior for which the path pattern routes requests for your custom error pages to that location, for example, <code>/4xx-errors/*</code>. </p> </li> <li> <p>The value of <code>TargetOriginId</code> specifies the value of the <code>ID</code> element for the origin that contains your custom error pages.</p> </li> </ul> <p>If you specify a value for <code>ResponsePagePath</code>, you must also specify a value for <code>ResponseCode</code>.</p> <p>We recommend that you store custom error pages in an Amazon S3 bucket. If you store custom error pages on an HTTP server and the server starts to return 5xx errors, CloudFront can't get the files that you want to return to viewers because the origin server is unavailable.</p>"
         },
         "ResponseCode": {
           "shape": "string",
-          "documentation": "<p>The HTTP status code that you want CloudFront to return to the viewer along with the custom error page. There are a variety of reasons that you might want CloudFront to return a status code different from the status code that your origin returned to CloudFront, for example:</p> <ul> <li> <p>Some Internet devices (some firewalls and corporate proxies, for example) intercept HTTP 4xx and 5xx and prevent the response from being returned to the viewer. If you substitute <code>200</code>, the response typically won't be intercepted.</p> </li> <li> <p>If you don't care about distinguishing among different client errors or server errors, you can specify <code>400</code> or <code>500</code> as the <code>ResponseCode</code> for all 4xx or 5xx errors.</p> </li> <li> <p>You might want to return a <code>200</code> status code (OK) and static website so your customers don't know that your website is down.</p> </li> </ul> <p>If you specify a value for <code>ResponseCode</code>, you must also specify a value for <code>ResponsePagePath</code>. If you don't want to specify a value, include an empty element, <code>&lt;ResponseCode&gt;</code>, in the XML document.</p>"
+          "documentation": "<p>The HTTP status code that you want CloudFront to return to the viewer along with the custom error page. There are a variety of reasons that you might want CloudFront to return a status code different from the status code that your origin returned to CloudFront, for example:</p> <ul> <li> <p>Some Internet devices (some firewalls and corporate proxies, for example) intercept HTTP 4xx and 5xx and prevent the response from being returned to the viewer. If you substitute <code>200</code>, the response typically won't be intercepted.</p> </li> <li> <p>If you don't care about distinguishing among different client errors or server errors, you can specify <code>400</code> or <code>500</code> as the <code>ResponseCode</code> for all 4xx or 5xx errors.</p> </li> <li> <p>You might want to return a <code>200</code> status code (OK) and static website so your customers don't know that your website is down.</p> </li> </ul> <p>If you specify a value for <code>ResponseCode</code>, you must also specify a value for <code>ResponsePagePath</code>.</p>"
         },
         "ErrorCachingMinTTL": {
           "shape": "long",
-          "documentation": "<p>The minimum amount of time, in seconds, that you want CloudFront to cache the HTTP status code specified in <code>ErrorCode</code>. When this time period has elapsed, CloudFront queries your origin to see whether the problem that caused the error has been resolved and the requested object is now available.</p> <p>If you don't want to specify a value, include an empty element, <code>&lt;ErrorCachingMinTTL&gt;</code>, in the XML document.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/custom-error-pages.html\">Customizing Error Responses</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
+          "documentation": "<p>The minimum amount of time, in seconds, that you want CloudFront to cache the HTTP status code specified in <code>ErrorCode</code>. When this time period has elapsed, CloudFront queries your origin to see whether the problem that caused the error has been resolved and the requested object is now available.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/custom-error-pages.html\">Customizing Error Responses</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
         }
       },
       "documentation": "<p>A complex type that controls:</p> <ul> <li> <p>Whether CloudFront replaces HTTP status codes in the 4xx and 5xx range with custom error messages before returning the response to the viewer. </p> </li> <li> <p>How long CloudFront caches HTTP status codes in the 4xx and 5xx range.</p> </li> </ul> <p>For more information about custom error pages, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/custom-error-pages.html\">Customizing Error Responses</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
@@ -2592,7 +2592,7 @@
         },
         "ForwardedValues": {
           "shape": "ForwardedValues",
-          "documentation": "<p>A complex type that specifies how CloudFront handles query strings and cookies.</p>"
+          "documentation": "<p>A complex type that specifies how CloudFront handles query strings, cookies, and HTTP headers.</p>"
         },
         "TrustedSigners": {
           "shape": "TrustedSigners",
@@ -2871,7 +2871,7 @@
         },
         "ViewerCertificate": {
           "shape": "ViewerCertificate",
-          "documentation": "<p>A complex type that specifies whether you want viewers to use HTTP or HTTPS to request your objects, whether you're using an alternate domain name with HTTPS, and if so, if you're using AWS Certificate Manager (ACM) or a third-party certificate authority.</p>"
+          "documentation": "<p>A complex type that determines the distribution’s SSL/TLS configuration for communicating with viewers.</p>"
         },
         "Restrictions": {
           "shape": "Restrictions",
@@ -2879,7 +2879,7 @@
         },
         "WebACLId": {
           "shape": "string",
-          "documentation": "<p>A unique identifier that specifies the AWS WAF web ACL, if any, to associate with this distribution.</p> <p>AWS WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to CloudFront, and lets you control access to your content. Based on conditions that you specify, such as the IP addresses that requests originate from or the values of query strings, CloudFront responds to requests either with the requested content or with an HTTP 403 status code (Forbidden). You can also configure CloudFront to return a custom error page when a request is blocked. For more information about AWS WAF, see the <a href=\"http://docs.aws.amazon.com/waf/latest/developerguide/what-is-aws-waf.html\">AWS WAF Developer Guide</a>. </p>"
+          "documentation": "<p>A unique identifier that specifies the AWS WAF web ACL, if any, to associate with this distribution. To specify a web ACL created using the latest version of AWS WAF, use the ACL ARN, for example <code>arn:aws:wafv2:us-east-1:123456789012:global/webacl/ExampleWebACL/473e64fd-f30b-4765-81a0-62ad96dd167a</code>. To specify a web ACL created using AWS WAF Classic, use the ACL ID, for example <code>473e64fd-f30b-4765-81a0-62ad96dd167a</code>.</p> <p>AWS WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to CloudFront, and lets you control access to your content. Based on conditions that you specify, such as the IP addresses that requests originate from or the values of query strings, CloudFront responds to requests either with the requested content or with an HTTP 403 status code (Forbidden). You can also configure CloudFront to return a custom error page when a request is blocked. For more information about AWS WAF, see the <a href=\"https://docs.aws.amazon.com/waf/latest/developerguide/what-is-aws-waf.html\">AWS WAF Developer Guide</a>. </p>"
         },
         "HttpVersion": {
           "shape": "HttpVersion",
@@ -3027,7 +3027,7 @@
         },
         "ViewerCertificate": {
           "shape": "ViewerCertificate",
-          "documentation": "<p>A complex type that specifies whether you want viewers to use HTTP or HTTPS to request your objects, whether you're using an alternate domain name with HTTPS, and if so, if you're using AWS Certificate Manager (ACM) or a third-party certificate authority.</p>"
+          "documentation": "<p>A complex type that determines the distribution’s SSL/TLS configuration for communicating with viewers.</p>"
         },
         "Restrictions": {
           "shape": "Restrictions",
@@ -3395,7 +3395,7 @@
           "documentation": "<p>A complex type that contains information about the query string parameters that you want CloudFront to use for caching for this cache behavior.</p>"
         }
       },
-      "documentation": "<p>A complex type that specifies how CloudFront handles query strings and cookies.</p>"
+      "documentation": "<p>A complex type that specifies how CloudFront handles query strings, cookies, and HTTP headers.</p>"
     },
     "GeoRestriction": {
       "type": "structure",
@@ -5620,36 +5620,36 @@
       "members": {
         "CloudFrontDefaultCertificate": {
           "shape": "boolean",
-          "documentation": "<p>If you're using the CloudFront domain name for your distribution, such as <code>d111111abcdef8.cloudfront.net</code>, specify the following value:</p> <ul> <li> <p> <code>&lt;CloudFrontDefaultCertificate&gt;true&lt;CloudFrontDefaultCertificate&gt; </code> </p> </li> </ul>"
+          "documentation": "<p>If the distribution uses the CloudFront domain name such as <code>d111111abcdef8.cloudfront.net</code>, set this field to <code>true</code>.</p> <p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs), set this field to <code>false</code> and specify values for the following fields:</p> <ul> <li> <p> <code>ACMCertificateArn</code> or <code>IAMCertificateId</code> (specify a value for one, not both)</p> </li> <li> <p> <code>MinimumProtocolVersion</code> </p> </li> <li> <p> <code>SSLSupportMethod</code> </p> </li> </ul>"
         },
         "IAMCertificateId": {
           "shape": "string",
-          "documentation": "<p>If you want viewers to use HTTPS to request your objects and you're using an alternate domain name, you must choose the type of certificate that you want to use. Specify the following value if you purchased your certificate from a third-party certificate authority:</p> <ul> <li> <p> <code>&lt;IAMCertificateId&gt;<i>IAM certificate ID</i>&lt;IAMCertificateId&gt;</code> where <code> <i>IAM certificate ID</i> </code> is the ID that IAM returned when you added the certificate to the IAM certificate store.</p> </li> </ul> <p>If you specify <code>IAMCertificateId</code>, you must also specify a value for <code>SSLSupportMethod</code>.</p>"
+          "documentation": "<p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs) and the SSL/TLS certificate is stored in <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_server-certs.html\">AWS Identity and Access Management (AWS IAM)</a>, provide the ID of the IAM certificate.</p> <p>If you specify an IAM certificate ID, you must also specify values for <code>MinimumProtocolVerison</code> and <code>SSLSupportMethod</code>. </p>"
         },
         "ACMCertificateArn": {
           "shape": "string",
-          "documentation": "<p>If you want viewers to use HTTPS to request your objects and you're using an alternate domain name, you must choose the type of certificate that you want to use. Specify the following value if ACM provided your certificate:</p> <ul> <li> <p> <code>&lt;ACMCertificateArn&gt;<i>ARN for ACM SSL/TLS certificate</i>&lt;ACMCertificateArn&gt;</code> where <code> <i>ARN for ACM SSL/TLS certificate</i> </code> is the ARN for the ACM SSL/TLS certificate that you want to use for this distribution.</p> </li> </ul> <p>If you specify <code>ACMCertificateArn</code>, you must also specify a value for <code>SSLSupportMethod</code>.</p>"
+          "documentation": "<p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs) and the SSL/TLS certificate is stored in <a href=\"https://docs.aws.amazon.com/acm/latest/userguide/acm-overview.html\">AWS Certificate Manager (ACM)</a>, provide the Amazon Resource Name (ARN) of the ACM certificate. CloudFront only supports ACM certificates in the US East (N. Virginia) Region (<code>us-east-1</code>).</p> <p>If you specify an ACM certificate ARN, you must also specify values for <code>MinimumProtocolVerison</code> and <code>SSLSupportMethod</code>. </p>"
         },
         "SSLSupportMethod": {
           "shape": "SSLSupportMethod",
-          "documentation": "<p>If you specify a value for <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-ACMCertificateArn\">ACMCertificateArn</a> or for <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-IAMCertificateId\">IAMCertificateId</a>, you must also specify how you want CloudFront to serve HTTPS requests: using a method that works for browsers and clients released after 2010 or one that works for all clients.</p> <ul> <li> <p> <code>sni-only</code>: CloudFront can respond to HTTPS requests from viewers that support Server Name Indication (SNI). All modern browsers support SNI, but there are a few that don't. For a current list of the browsers that support SNI, see the <a href=\"http://en.wikipedia.org/wiki/Server_Name_Indication\">Wikipedia entry Server Name Indication</a>. To learn about options to explore if you have users with browsers that don't include SNI support, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/cnames-https-dedicated-ip-or-sni.html\">Choosing How CloudFront Serves HTTPS Requests</a> in the <i>Amazon CloudFront Developer Guide</i>.</p> </li> <li> <p> <code>vip</code>: CloudFront uses dedicated IP addresses for your content and can respond to HTTPS requests from any viewer. However, there are additional monthly charges. For details, including specific pricing information, see <a href=\"http://aws.amazon.com/cloudfront/custom-ssl-domains/\">Custom SSL options for Amazon CloudFront</a> on the AWS marketing site.</p> </li> </ul> <p>Don't specify a value for <code>SSLSupportMethod</code> if you specified <code>&lt;CloudFrontDefaultCertificate&gt;true&lt;CloudFrontDefaultCertificate&gt;</code>.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/cnames-https-dedicated-ip-or-sni.html\">Choosing How CloudFront Serves HTTPS Requests</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
+          "documentation": "<p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs), specify which viewers the distribution accepts HTTPS connections from.</p> <ul> <li> <p> <code>sni-only</code> – The distribution accepts HTTPS connections from only viewers that support <a href=\"https://en.wikipedia.org/wiki/Server_Name_Indication\">server name indication (SNI)</a>. This is recommended. Most browsers and clients released after 2010 support SNI.</p> </li> <li> <p> <code>vip</code> – The distribution accepts HTTPS connections from all viewers including those that don’t support SNI. This is not recommended, and results in additional monthly charges from CloudFront.</p> </li> </ul> <p>If the distribution uses the CloudFront domain name such as <code>d111111abcdef8.cloudfront.net</code>, don’t set a value for this field.</p>"
         },
         "MinimumProtocolVersion": {
           "shape": "MinimumProtocolVersion",
-          "documentation": "<p>Specify the security policy that you want CloudFront to use for HTTPS connections. A security policy determines two settings:</p> <ul> <li> <p>The minimum SSL/TLS protocol that CloudFront uses to communicate with viewers</p> </li> <li> <p>The cipher that CloudFront uses to encrypt the content that it returns to viewers</p> </li> </ul> <note> <p>On the CloudFront console, this setting is called <b>Security policy</b>.</p> </note> <p>We recommend that you specify <code>TLSv1.1_2016</code> unless your users are using browsers or devices that do not support TLSv1.1 or later.</p> <p>When both of the following are true, you must specify <code>TLSv1</code> or later for the security policy: </p> <ul> <li> <p>You're using a custom certificate: you specified a value for <code>ACMCertificateArn</code> or for <code>IAMCertificateId</code> </p> </li> <li> <p>You're using SNI: you specified <code>sni-only</code> for <code>SSLSupportMethod</code> </p> </li> </ul> <p>If you specify <code>true</code> for <code>CloudFrontDefaultCertificate</code>, CloudFront automatically sets the security policy to <code>TLSv1</code> regardless of the value that you specify for <code>MinimumProtocolVersion</code>.</p> <p>For information about the relationship between the security policy that you choose and the protocols and ciphers that CloudFront uses to communicate with viewers, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/secure-connections-supported-viewer-protocols-ciphers.html#secure-connections-supported-ciphers\"> Supported SSL/TLS Protocols and Ciphers for Communication Between Viewers and CloudFront</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
+          "documentation": "<p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs), specify the security policy that you want CloudFront to use for HTTPS connections with viewers. The security policy determines two settings:</p> <ul> <li> <p>The minimum SSL/TLS protocol that CloudFront can use to communicate with viewers.</p> </li> <li> <p>The ciphers that CloudFront can use to encrypt the content that it returns to viewers.</p> </li> </ul> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/distribution-web-values-specify.html#DownloadDistValues-security-policy\">Security Policy</a> and <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/secure-connections-supported-viewer-protocols-ciphers.html#secure-connections-supported-ciphers\">Supported Protocols and Ciphers Between Viewers and CloudFront</a> in the <i>Amazon CloudFront Developer Guide</i>.</p> <note> <p>On the CloudFront console, this setting is called <b>Security Policy</b>.</p> </note> <p>We recommend that you specify <code>TLSv1.2_2018</code> unless your viewers are using browsers or devices that don’t support TLSv1.2.</p> <p>When you’re using SNI only (you set <code>SSLSupportMethod</code> to <code>sni-only</code>), you must specify <code>TLSv1</code> or higher. </p> <p>If the distribution uses the CloudFront domain name such as <code>d111111abcdef8.cloudfront.net</code> (you set <code>CloudFrontDefaultCertificate</code> to <code>true</code>), CloudFront automatically sets the security policy to <code>TLSv1</code> regardless of the value that you set here.</p>"
         },
         "Certificate": {
           "shape": "string",
-          "documentation": "<p>This field is no longer used. Use one of the following fields instead:</p> <ul> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-ACMCertificateArn\">ACMCertificateArn</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-IAMCertificateId\">IAMCertificateId</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-CloudFrontDefaultCertificate\">CloudFrontDefaultCertificate</a> </p> </li> </ul>",
+          "documentation": "<p>This field is deprecated. Use one of the following fields instead:</p> <ul> <li> <p> <code>ACMCertificateArn</code> </p> </li> <li> <p> <code>IAMCertificateId</code> </p> </li> <li> <p> <code>CloudFrontDefaultCertificate</code> </p> </li> </ul>",
           "deprecated": true
         },
         "CertificateSource": {
           "shape": "CertificateSource",
-          "documentation": "<p>This field is no longer used. Use one of the following fields instead:</p> <ul> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-ACMCertificateArn\">ACMCertificateArn</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-IAMCertificateId\">IAMCertificateId</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-CloudFrontDefaultCertificate\">CloudFrontDefaultCertificate</a> </p> </li> </ul>",
+          "documentation": "<p>This field is deprecated. Use one of the following fields instead:</p> <ul> <li> <p> <code>ACMCertificateArn</code> </p> </li> <li> <p> <code>IAMCertificateId</code> </p> </li> <li> <p> <code>CloudFrontDefaultCertificate</code> </p> </li> </ul>",
           "deprecated": true
         }
       },
-      "documentation": "<p>A complex type that specifies the following:</p> <ul> <li> <p>Whether you want viewers to use HTTP or HTTPS to request your objects.</p> </li> <li> <p>If you want viewers to use HTTPS, whether you're using an alternate domain name such as <code>example.com</code> or the CloudFront domain name for your distribution, such as <code>d111111abcdef8.cloudfront.net</code>.</p> </li> <li> <p>If you're using an alternate domain name, whether AWS Certificate Manager (ACM) provided the certificate, or you purchased a certificate from a third-party certificate authority and imported it into ACM or uploaded it to the IAM certificate store.</p> </li> </ul> <p>Specify only one of the following values: </p> <ul> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-ACMCertificateArn\">ACMCertificateArn</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-IAMCertificateId\">IAMCertificateId</a> </p> </li> <li> <p> <a href=\"https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_ViewerCertificate.html#cloudfront-Type-ViewerCertificate-CloudFrontDefaultCertificate\">CloudFrontDefaultCertificate</a> </p> </li> </ul> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/SecureConnections.html#CNAMEsAndHTTPS\"> Using Alternate Domain Names and HTTPS</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
+      "documentation": "<p>A complex type that determines the distribution’s SSL/TLS configuration for communicating with viewers.</p> <p>If the distribution doesn’t use <code>Aliases</code> (also known as alternate domain names or CNAMEs)—that is, if the distribution uses the CloudFront domain name such as <code>d111111abcdef8.cloudfront.net</code>—set <code>CloudFrontDefaultCertificate</code> to <code>true</code> and leave all other fields empty.</p> <p>If the distribution uses <code>Aliases</code> (alternate domain names or CNAMEs), use the fields in this type to specify the following settings:</p> <ul> <li> <p>Which viewers the distribution accepts HTTPS connections from: only viewers that support <a href=\"https://en.wikipedia.org/wiki/Server_Name_Indication\">server name indication (SNI)</a> (recommended), or all viewers including those that don’t support SNI.</p> <ul> <li> <p>To accept HTTPS connections from only viewers that support SNI, set <code>SSLSupportMethod</code> to <code>sni-only</code>. This is recommended. Most browsers and clients released after 2010 support SNI. </p> </li> <li> <p>To accept HTTPS connections from all viewers, including those that don’t support SNI, set <code>SSLSupportMethod</code> to <code>vip</code>. This is not recommended, and results in additional monthly charges from CloudFront. </p> </li> </ul> </li> <li> <p>The minimum SSL/TLS protocol version that the distribution can use to communicate with viewers. To specify a minimum version, choose a value for <code>MinimumProtocolVersion</code>. For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/distribution-web-values-specify.html#DownloadDistValues-security-policy\">Security Policy</a> in the <i>Amazon CloudFront Developer Guide</i>.</p> </li> <li> <p>The location of the SSL/TLS certificate, <a href=\"https://docs.aws.amazon.com/acm/latest/userguide/acm-overview.html\">AWS Certificate Manager (ACM)</a> (recommended) or <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_server-certs.html\">AWS Identity and Access Management (AWS IAM)</a>. You specify the location by setting a value in one of the following fields (not both):</p> <ul> <li> <p> <code>ACMCertificateArn</code> </p> </li> <li> <p> <code>IAMCertificateId</code> </p> </li> </ul> </li> </ul> <p>All distributions support HTTPS connections from viewers. To require viewers to use HTTPS only, or to redirect them from HTTP to HTTPS, use <code>ViewerProtocolPolicy</code> in the <code>CacheBehavior</code> or <code>DefaultCacheBehavior</code>. To specify how CloudFront should use SSL/TLS to communicate with your custom origin, use <code>CustomOriginConfig</code>.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/using-https.html\">Using HTTPS with CloudFront</a> and <a href=\"https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/using-https-alternate-domain-names.html\"> Using Alternate Domain Names and HTTPS</a> in the <i>Amazon CloudFront Developer Guide</i>.</p>"
     },
     "ViewerProtocolPolicy": {
       "type": "string",