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Linux RHEL-10-600720

DISA STIG RHEL-10-600720 (CAT II): RHEL 10 must be configured so that password-auth uses a sufficient number of hashing rounds.

DISA STIG recommends

RHEL-10-600720 CAT II

RHEL 10 must be configured so that password-auth uses a sufficient number of hashing rounds.

NIST SP 800-53: IA-5(1), IA-7

Check

Verify RHEL 10 is configured to use a sufficient number of rounds for password hashing with the following command: $ sudo grep rounds /etc/pam.d/password-auth password sufficient pam_unix.so sha512 rounds=100000 If the setting is not configured or "rounds" is less than "100000", this a finding.

Fix

Configure RHEL 10 to use "100000" hashing rounds for hashing passwords. Add or modify the following line in "/etc/pam.d/password-auth" and set "rounds" to "100000": password sufficient pam_unix.so sha512 rounds=100000

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