Well nothing is more complicated that cach invalidation...
But in short. You have multible 'cache header' posiblities from the client side. How vanish and other reverse proxies works - no detailed knowlage. But this seems a good explanation developer.mozilla.org/en-US/docs/W...
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How would the caching engine know?
Well nothing is more complicated that cach invalidation...
But in short. You have multible 'cache header' posiblities from the client side. How vanish and other reverse proxies works - no detailed knowlage. But this seems a good explanation developer.mozilla.org/en-US/docs/W...