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Release notes

    • feature

      Token-based log sink authentication and advanced cache key controls

      Section titled “Token-based log sink authentication and advanced cache key controls”

      This release adds a new OTLP log sink configuration which supports Bearer token authentication and introduces granular URL query string and request header cache key variations (Vary cache).

      • What’s new: Support for the new OTLP log sink configuration, supporting Basic authentication and Bearer token options. The connection validation logic and log streaming engine can now utilize authorization tokens during transport.
      • What it brings: Enhanced security and seamless integration with OpenTelemetry (OTel)-compatible log collectors and STACKIT telemetry services without exchanging static username/password credentials.
      • How to use it: Configure the token credential field within the OTLP log sink settings via the STACKIT CDN API.

      Cache key Vary controls (query strings and request headers)

      Section titled “Cache key Vary controls (query strings and request headers)”
      • What’s new: Granular control plane configurations to enable or disable URL query string parameter inclusion in cache keys and to define custom arrays of HTTP request headers for Vary cache evaluation.
      • What it brings: Targeted caching performance for dynamic applications, versioned API endpoints, and multi-language sites by serving localized or header-specific content directly from edge nodes without cache collisions.
      • How to use it: Set the query string caching toggle and pass the array of cache key headers via the STACKIT CDN API endpoint under your distribution configuration.

      These features are currently available via the API and SDK. Support for Terraform and the Portal will be added in a future update.

    • feature

      This release introduces more granular control over the headers and security protocols of your distribution.

      • Strip response cookies: Enable the stripResponseCookies flag to remove Set-Cookie headers from origin responses. This prevents sensitive session data from leaking via the CDN, which is ideal for static content distributions.
      • Request Host header forwarding: Use the forwardHostHeader feature to pass the original client Host header through to your origin.
      • TLS 1.0 and 1.1 controls: Support for TLS 1.0 and 1.1 is now disabled by default to ensure high security. You can now explicitly enable these versions in your configuration if legacy clients must be supported.

      These features are currently available via the API and SDK. Support for Terraform and the Portal will be added in a future update.

    • announcement

      Image Optimizer is now available in STACKIT Content Delivery Network (CDN)

      Section titled “Image Optimizer is now available in STACKIT Content Delivery Network (CDN)”

      The STACKIT CDN Image Optimizer enhances your loading times and reduces bandwidth consumption automatically—without any manual code adjustments. The feature is now available via the Portal, API, and Terraform Provider.

      Highlights:

      • WebP conversion: Automatically uses efficient image formats for faster loading times with no loss in quality.
      • Smart resizing: Images are optimized to fit the user’s specific device.
      • Dynamic image API: Real-time image transformations directly via URL.
      • Code minification: JS and CSS files are automatically compressed to accelerate delivery.

      Image Optimizer is pre-configured to guarantee the perfect balance between performance and image quality.

      If you have any questions, feel free to contact us via support ticket.

    • announcement

      We are delighted to announce the general availability of our new STACKIT Content Delivery Network (CDN) service.

      This product significantly speeds up your content loading times while increasing global availability and security.

      Key features:

      • Easy to use for STACKIT customers
      • Fast and stable content delivery through massive distribution
      • Region selection: Choose regions where your content will be distributed
      • Security features: Enhanced protection with features such as the Web Application Firewall (CDN WAF)

      For more information and detailed documentation, visit our documentation article.

      Our Help Center is always at your disposal if you have any questions.

    • announcement

      STACKIT Content Delivery Network (CDN) now available in beta

      Section titled “STACKIT Content Delivery Network (CDN) now available in beta”

      From 6 May 2025 we can offer you a new service STACKIT Content Delivery Network (CDN). This is now available as a beta version and offers you the possibility to deliver your content and data with low latency and high bandwidth.

      STACKIT CDN key features:

      • Easy to use for STACKIT customers
      • Fast and stable provision of content through massive distribution
      • Regions: Customers are able to select regions where the content will be distributed
      • Custom domains: Customers are able to create custom domains, during beta up to three, without uploading their own certificate

      If you have any questions, please feel free to contact us via Support ticket

    • feature

      Web Application Firewall is now available in STACKIT CDN

      Section titled “Web Application Firewall is now available in STACKIT CDN”

      We are happy to announce the implementation of our new feature Web Application Firewall feature in STACKIT CDN and STACKIT Portal.

      Increase your security by turning the CDN WAF on and choose between two modes which fits best to your use case:

      • Block: Block and log incoming messages that were caught by the CDN WAF
      • Log: Log incoming messages that were caught by the CDN WAF without blocking

      Logged messages are accessible via STACKIT CDN Logs.

      For more information and detailed documentation, please visit our CDN WAF documentation.

      Our Help Center is always at your disposal if you have any questions.