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The SLES for vRealize must not have Teredo enabled.


Finding ID Version Rule ID IA Controls Severity
V-89685 VRAU-SL-000665 SV-100335r1_rule Medium
Teredo is an IPv6 transition mechanism that involves tunneling IPv6 packets encapsulated in IPv4 packets. Unauthorized tunneling may circumvent network security.
VMware vRealize Automation 7.x SLES Security Technical Implementation Guide 2018-10-12


Check Text ( C-89377r1_chk )
Verify the Teredo service is not running:

ps ax | grep teredo | grep -v grep

If the Teredo process is running, this is a finding.
Fix Text (F-96427r1_fix)
Kill the Teredo service.

Edit startup scripts to prevent the service from running on startup.

For Appliance OS, Teredo is not included by default, this is not a finding.