[squid-users] Do not refresh the cache if cache_peer is unavailable

Is it possible to do not refresh the cache in case of an error in the newest
request to the cache_peer?

What I mean is; suppose that in a reverse proxy I want to refresh the cache
of the base URL (the homepage of the website) around every 60 seconds but in
case that the cache peers are temporarily unavailable I do not want to
refresh the cache because otherwise no content will be shown to the clients.
Is there are method to achieve this?

Thank you in advance

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