# If CDN caches are configured, tell them to cache the response,
# and tell the client to always check with the CDN. Otherwise,
# tell the client to use a cached copy, without a way to purge it.
# If CDN caches are configured, tell them to cache the response,
# and tell the client to always check with the CDN. Otherwise,
# tell the client to use a cached copy, without a way to purge it.