Hot answers tagged cache
You can't tell the browsers of random people on the Internet to flush their caches; it's not how things are done. For next time, remember to reduce the TTL on your A records to some suitably small value (like, say, "five minutes") some time before the change over will happen. That will limit the time that well-behaved Internet citizens will cache, and the ...
Try to use fastcgi_hide_header: fastcgi_hide_header "Set-Cookie"; This will hide all cookies when the request hits cache. official docs
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