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The Photon operating system must limit the number of concurrent sessions to 10 for all accounts and/or account types.


Finding ID Version Rule ID IA Controls Severity
V-239076 PHTN-67-000004 SV-239076r675036_rule Medium
Operating system management includes the ability to control the number of users and user sessions that utilize an operating system. Limiting the number of allowed users and sessions per user is helpful in reducing the risks related to denial-of-service attacks.
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide 2022-06-17


Check Text ( C-42287r675034_chk )
At the command line, execute the following command:

# grep "^[^#].*maxlogins.*" /etc/security/limits.conf

Expected result:

*              hard    maxlogins      10

If the output does not match the expected result, this is a finding.

Note: The expected result may be repeated multiple times.
Fix Text (F-42246r675035_fix)
At the command line, execute the following command:

# echo '*              hard    maxlogins      10' >> /etc/security/limits.conf