Problem accessing selang

Products

• CA Privileged Identity Management Endpoint (PIM)

Issue/Introduction

PIM has been installed:
VERSION: 12.81-0 (4309)

On an oracle linux version machine:
Oracle Linux Server release 7.9

with kernel version:
4.14.35-2047.518.4.3.el7uek.x86_64

In the policyfetcher logs we see that the enddpoint is able to establish communication with the Enterprise Management Server without any errors.
11:58:48@Jul 27 2023 - policyfetcher initialized successfully.
11:58:48@Jul 27 2023 - Starting policyfetcher loop...
11:58:48@Jul 27 2023 - adding "DH__@tehrhmkn" to DH list
11:58:48@Jul 27 2023 - Start checking for variables changes ...
11:58:48@Jul 27 2023 - INFO : UNAB is not installed.
11:58:48@Jul 27 2023 - Start sending heartbeat...
11:58:48@Jul 27 2023 - Scanning DH list, round #1
11:58:48@Jul 27 2023 - trying to connect to host "DH__WRITER@<hostname>"
11:58:48@Jul 27 2023 - successfully connected to host "DH__WRITER@<hostname>"
......
11:58:48@Jul 27 2023 - successfully reset endpoint events at DH
11:58:48@Jul 27 2023 - checking conflicts with DH...
11:58:48@Jul 27 2023 - trying to connect to host "localhost"

But, once the endpoint agent service is started, it does not allow access to selang.

ERROR: Initialization failed, EXITING!
(localhost)
ERROR: Connection failed
ERROR: Failed to receive reply

Environment

Release : 12.8 xx
Component: SEOSU

Cause

Selang fails to connect to seagent, this has been observed once you have upgraded the UEK kernel (applicable for UEK kernel builds). During our investigation we did observe that seagent kept having errors calling the accept system calls on a IPv6 socket.  This seems to be causing the problem when selang attempts to connect to selang.  Simply disabing IPv6, however, does not resolve the problem.

Resolution

We have a hotfix available for this problem, do open a support ticket to request for the fix, acpatch-DE558679-12.81.0.4423-_LINUX_X64.zip, if you are not able to download the fix from this article.