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

Solution Verified - Updated -


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


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

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content