Why iptables fails to load at boot when their are rules with FQDNs (Fully Qualified Domain Name) mentioned in it ?

Solution Verified - Updated -

Issue

  • Rules fails to load giving below error message:
host/network `<FQDN>` not found
Error Occurred at line: xx

Environment

  • Red Hat Enterprise Linux 5 (All minor Versions)
  • Red Hat Enterprise Linux 6 (All minor Versions)
  • iptables

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