firewalld.service doesn't start: Main process exited, code=exited, status=3/NOTIMPLEMENTED

Solution Verified - Updated -

Issue

  • firewalld.service doesn't start. The logs show the following error message:
    Main process exited, code=exited, status=3/NOTIMPLEMENTED.
  • strace of firewalld shows iptables exec'ed then:
    socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = -1 EPROTONOSUPPORT

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

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