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justifications.md

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SCAP tailored controls from DISA STIG for RHEL6

References

HIGH impact tailored controls

Enable FIPS Mode in GRUB2

  • Rule ID: xccdf_org.ssgproject.content_rule_grub2_enable_fips_mode
  • Full FIPS mode is not available in the AWS us-east cloud as the hardware is not guaranteed to be certified. However, this site makes use of FIPS compliant openssl software and SSL certificates.

Install Virus Scanning Software

  • Rule ID: xccdf_org.ssgproject.content_rule_install_antivirus
  • This site employs ClamAV for anti-virus scanning and updates the database daily.

Ensure Software Patches Installed

  • Rule ID: xccdf_org.ssgproject.content_rule_security_patches_up_to_date
  • Software patches are installed twice monthly.

MEDIUM impact tailored controls

Install Smart Card Packages For Multifactor Authentication

  • Rule ID: xccdf_org.ssgproject.content_rule_install_smartcard_packages
  • Console and smart card logins are disallowed.

Enable Smart Card Login

  • Rule ID: xccdf_org.ssgproject.content_rule_smartcard_auth
  • Console and smart card logins are disallowed.

Set Lockout Time for Failed Password Attempts

  • Rule ID: xccdf_org.ssgproject.content_rule_accounts_passwords_pam_faillock_unlock_time-storage_disabled
  • Passwords are only used after SSH key login by administrators to achieve root access. Only administrators have accounts; two-factor authentication is used and the accounts are audited monthly.

Set Password Maximum Consecutive Repeating Characters

  • Rule ID: xccdf_org.ssgproject.content_rule_accounts_password_pam_maxrepeat
  • Passwords are only used after SSH key login by administrators to achieve root access. Only administrators have accounts; two-factor authentication is used and the accounts are audited monthly.