Am 06.06.20 um 14:55 schrieb Jay Hart:

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Machine is an internal server with zero need to provide or receive ip addresses using dhcp (all IPs are hard coded).

Question: how do I disable dhcpv6-client on this box?

[user@boxname user]# firewall-cmd --list-all public (active) target: default icmp-block-inversion: no interfaces: enp2s0 sources: services: cockpit dhcpv6-client http https ssh ports: protocols: masquerade: no forward-ports: source-ports: icmp-blocks: rich rules:

This output does not correlate with your question.

If your NetworkManager.service is configured to use a static configuration, then dhcp is not in use.

If you want that your firewall configuration reflects your service configuration, then

firewall-cmd --permanent --remove-service=dhcpv6-client

-- Leon

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That command and a reload resolved my issue.

Thank you Leon.

Jay