The squid-3.1 adds warnings 110 and 111 to TCP_REFRESH_UNMODIFIED responses

Solution Verified - Updated -

Issue

The squid-3.1 adds unwanted warnings 110 "Response is stale" and even 111 "Revalidation failed" to response on repeated request.

Environment

  • Red Hat Enterprise Linux 6
  • squid-3.1.10-1.el6_2.4
  • httpd

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