why do we get "ip_local_port_range: prefer different parity for start/end values" message every time we boot the system

Solution Verified - Updated -


This message is reported in /var/log/messages during boot phase:

Jan 23 14:37:22 localhost kernel: ip_local_port_range: prefer different parity for start/end values.


  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7 (kernel-3.10.0-514.el7 or later)
  • Red Hat Enterprise Linux 6 (kernel-2.6.32-642.1.1.el6 or later)

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