My Oracle Support Banner

Oracle Linux 6: Why lsof shows "can't identify protocol" (Doc ID 2206148.1)

Last updated on MAY 01, 2020

Applies to:

Linux OS - Version Oracle Linux 6.7 and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Goal

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.

Kernel 2.6.32-573.7.1.el6

 

Both test runs were done with ntpd, udev, auditd services running.

Solution

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Goal
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.