Settings.yaml

Flowpack:
  Varnish:
    # Disables Varnish caching if set to false
    enabled: true

    # URL or URLs as comma separated value or array, Varnish is running on for purge requests (skip trailing slash)
    varnishUrl: 'http://127.0.0.1'

    # Cache header sending configuration
    cacheHeaders:
      # If enabled, sends an "X-Cache-Debug" to varnish to output additional header information
      debug: false
      # Disable sending headers (useful for staging environments)
      disabled: false
      # Default and maximum TTL in seconds
      defaultSharedMaximumAge: null
      # Enable shortening of Cache Tags (useful when response headers get too large)
      shortenCacheTags: false
      # Length of the short md5 if shortenCacheTags is enabled
      cacheTagLength: 8

    # Maximum length of header in bytes for requests to varnish. Used when banning. Large requests will be split across multiple smaller ones
    maximumHeaderLength: 7500

    # Port to use for reverse lookup in backend module
    reverseLookupPort: null
    # List of ignored  cache tags to skip when flushing caches by tag, e.g. 'Neos.Neos:Document' which is used in 'Neos.Neos:Menu' elements
    ignoredCacheTags: []