CDN

How can we improve Azure CDN?

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  1. wildcard ssl / domain / url support for Azure CDN

    Allow a wildcard domain like *.mydomain.com and wildcard SSL for such a domain as well. This will allow support for dynamic domain creating like multi tenant systems which might use that

    35 votes
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      under review  ·  3 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • Fallback to custom URL when content not found

      Would be good if MS could provide fallback to custom URLs when content is not found on CDN

      116 votes
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        under review  ·  2 comments  ·  Flag idea as inappropriate…  ·  Admin →
      • Ability to provide custom error response for HTTP errors e.g. 404's

        Ability when 404 is returned by ones origin to have the CDN respond with a preconfigured URL i.e. custom response page.

        12 votes
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          under review  ·  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • Custom rules for WAF

          Allow user created rules for WAF.

          24 votes
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            under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
          • CDN image auto image crop and resizer functionality for images

            It would be really good, if the CDN could handle query strings and for the file format of images, handle resizing and cropping parameters automatically to resize our content needs... This done by the Azure CDN by its own.

            18 votes
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              under review  ·  3 comments  ·  Flag idea as inappropriate…  ·  Admin →
            • Prevent Azure CDN Bandwidth abuse

              Hello,
              I have already made a couple of posts in regards to this issue on StackOverflow: http://stackoverflow.com/questions/35488753/how-to-prevent-azure-cdn-bandwidth-abuse-by-malicious-bandwidth-vampire-requests and on MSDN CDN forum: https://social.msdn.microsoft.com/Forums/azure/en-US/9e37ca24-b38d-4193-847b-f679eab76aa5/azure-cdn-bandwidth-abuse-by-malicious-bandwidth-vampire-requests?forum=azurecdn but so far, unfortunately, no good solutions to the problem were offered. So I thought it would be a good idea to post this idea here as well, and get a little more into detail on how to solve the issue since this little fix can easily be integrated into the upcoming WAF offering with the Premium SKU.

              Problem:
              To summarize, the problem can simply be stated as follows: Any large multimedia content file such as an…

              59 votes
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                under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
              • Signed cookie in CDN

                Enable authenticated access to CDN without the need to change URL or headers. This is especially useful for referencing a static web page in an IFRAME.

                Scenario. When user signs in to example.com, we would first redirect users to a non-cached page on CDN cdn.com, which would set the signed cookies, before redirecting back to example.com.

                On example.com, we have an IFRAME that references a static webpage on cdn.com. The static webpage references other images, JavaScript and CSS on cdn.com. The access to the webpage and other resources are authenticated by the signed cookie.

                AWS implementation http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-signed-cookies.html

                6 votes
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                  0 comments  ·  Flag idea as inappropriate…  ·  Admin →

                  If you are using Azure CDN from Verizon Premium, you can open a technical support case to have this capability setup for you via the rules engine. Overall you would use the token authentication capabilities in Azure CDN from Verizon Premium to accomplish this – https://docs.microsoft.com/en-us/azure/cdn/cdn-token-auth. With token authentication the signed token is sent by default in the query string for your URL’s. The capability you are looking for is the ability to instead have the token sent as a cookie in the client request to the CDN.

                  We will look at enabling this capability long term without the need to open a support case.

                • Correctly handle CORS with Range header

                  When browser sends a Range request to CDN, CDN downloads the entire file from origin, then serve the appropriate range to the browser. However, when serving the content range, it does not send the CORS header that is present in the origin, thus breaking cross origin requests.

                  3 votes
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                    1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                  • Support OWASP Core Rule Set for Azure CDN

                    Ability to use WAF with OWASP CRS, and turn on/off specific rules

                    1 vote
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                      under review  ·  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • 56 votes
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                        under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                      • Support WebApp deployment slots for Endpoints

                        In the Azure Portal, when configuring an Endpoint for a CDN resource, you can select WebApp. It gives you a nice list of WebApps you have access too. The problem is, if those WebApps are using Deployment Slots for staging (Dev, Test, Prod); you can't add an Endpoint for anything other than the production slot.

                        We would like to have a mirrored setup where our WebApp Dev slot is accessible through the CDN.

                        The work around is to add a custom origin, which works--but seems like the WebApp feature could be more robust.

                        Thanks!

                        24 votes
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                          under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                        • Provide access control feature

                          I'm looking to use Azure CDN to replace a password-protected FTP area. The lack of access control is preventing me using the CDN.

                          7 votes
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                            under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                          • Alerts triggered from a URL RegEx

                            It would be great if we could register alerts to trigger from a URL hit or number of hits / second.

                            3 votes
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                              under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support the proper use of webfonts on Azure Websites using Azure CDN

                              We need an easy way of setting the http protocol "access-control-allow-origin" on webfonts used on Azure Websites and distributed via the Azure CDN. Please make the CDN service respect http-protocol settings in the web.config file on Azure Websites.

                              39 votes
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                                under review  ·  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • 14 votes
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                                  under review  ·  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • Make CDN caching optimized for Smooth Streaming

                                  With Smooth Streaming, because of the latency and low bandwidth during the first access of the video (before it is cached by CDN), Smooth Streaming will choose a low bitrate stream, and the higher bitrate streams may never be cached at the CDN edge server because they are never accessed; or if we are lucky it requires at least many replays of the video before all streams are cached. This is a huge problem with videos not frequently accessed.

                                  Therefore it should be possible to force a container to cache all blobs within it as soon as one of its…

                                  31 votes
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                                    under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Provide Access to CDN Storage

                                    Currently there seems to be no way to access the storage the CDN is using.

                                    I would like to use Function App with a NodeJS Blob Trigger to minify any CSS and JS files that land up on the CDN Storage.

                                    Another scenario is to jslint & css lint any js and css files that gets stored in CDN storage and send notifications if there's anything that won't lint.

                                    Yet another scenario is to use a blob trigger blobs and optimize any images that gets stored.

                                    6 votes
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                                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →

                                      There currently isn’t any way to access storage that is used by the CDN for caching purposes. Content is never permanently stored in the CDN cache. By default content is stored for a max of 7 days. Longer or shorter times for this TTL can also be specified. However, in all cases this is just a max value and content can be removed from the CDN’s cache if it isn’t being actively accessed.

                                      Long term we are investigating the ability to have the CDN automatically optimized images and reduce the size of content (e.g. minify files) before they are delivered to clients.

                                    • 3 votes
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                                        under review  ·  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                      • CDN Forward HTTP Proxy

                                        Currently we are only serving static content through CDN, it would be nice to serve dynamic content with cookies etc, where CDN kind of acts as a Forward HTTP Proxy instead of CDN. Benefit will be of multiplexing HTTP traffic to single host.

                                        1 vote
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                                          1 comment  ·  Flag idea as inappropriate…  ·  Admin →

                                          We need more details on what you are looking for regarding “multiplexing HTTP traffic to a single host” The CDN is built as a reverse proxy and can be used for both static and dynamic content. For dynamic content that you don’t want to be cached by the CDN you can either set the appropriate cache control header (e.g. max-age) or use the bypass cache capability in the rules engine in the Azure CDN Premium to control this for specific content. Long term we are working on enabling this capability also in Azure CDN Standard.

                                        • Allow a CDN to be a linked resource

                                          We want the ability to see CDNs which are related to a particular property as well prevent accidental deletion if linked.

                                          8 votes
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                                            1 comment  ·  Flag idea as inappropriate…  ·  Admin →
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