In RHEL8, firewall-cmd reload causes network loss and system hang due to external security modules.
Issue
- When running
firewall-cmd --reload, all network connectivity is lost and the server hangs. - System is unresponsive after reloading firewall.
Environment
- Red Hat Enterprise Linux 8
- mfetpd.service - Trellix Endpoint Security for Linux Threat Prevention
- McAfee
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