Oracle Linux 6: Why lsof shows "can't identify protocol"
(Doc ID 2206148.1)
Last updated on AUGUST 04, 2018
Applies to:Linux OS - Version Oracle Linux 6.7 and later
Information in this document applies to any platform.
For processes like ntpd, udev etc, lsof shows the output "can't identify protocol", even when /proc/net/sockstat doesn't show any orphans or any TIME_WAIT and "netstat" doesn't show any CLOSE_WAIT.
Both test runs were done with ntpd, udev, auditd services running.
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