Why RHEL8 send high number of syn-cookie packets compared to RHEL 7 and below ?

Solution Verified - Updated -

Issue

  • TCP behavior change in RHEL8
  • RHEL8 is sending more syn cookies compared to previous RHEL versions ?
  • Why SYN cookies sent counters high in RHEL8 and above ?

Environment

  • Red Hat Enterprise Linux 8 and higher

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