Back

Configure the "Check for Duplicate User Names" setting to organizational standards.


CONTROL ID
09956
CONTROL TYPE
Configuration
CLASSIFICATION
Preventive

SUPPORTING AND SUPPORTED CONTROLS



This Control directly supports the implied Control(s):
  • Configure Red Hat Enterprise Linux to Organizational Standards., CC ID: 08713

There are no implementation support Controls.


SELECTED AUTHORITY DOCUMENTS COMPLIED WITH



  • Ensure no duplicate user names exist Description: Although the `useradd` program will not let you create a duplicate user name, it is possible for an administrator to manually edit the `/ etc/passwd` file and change the user name. Rationale: If a user is assigned a duplicate user name, it will creat… (6.2.5, CIS Amazon Linux 2 Benchmark, v.2.0.0, Level 1)
  • Ensure no duplicate user names exist Description: Although the `useradd` program will not let you create a duplicate user name, it is possible for an administrator to manually edit the `/ etc/passwd` file and change the user name. Rationale: If a user is assigned a duplicate user name, it will creat… (6.2.5, CIS Amazon Linux 2 Benchmark, v.2.0.0, Level 2)
  • Title: Check for Duplicate User Names Description: Although the useradd program will not let you create a duplicate user name, it is possible for an administrator to manually edit the /etc/passwd file and change the user name. Rationale: If a user is assigned a duplicate user name, it will creat… (Rule: xccdf_org.cisecurity.benchmarks_rule_9.2.16_Check_for_Duplicate_User_Names Artifact Expression: xccdf_org.cisecurity.benchmarks_ae_9.2.16.1_etc.passwd.noduplicatenames, The Center for Internet Security CentOS 6 Level 1 Benchmark, 1.0.0)
  • Title: Check for Duplicate User Names Description: Although the useradd program will not let you create a duplicate user name, it is possible for an administrator to manually edit the /etc/passwd file and change the user name. Rationale: If a user is assigned a duplicate user name, it will cre… (Rule:xccdf_org.cisecurity.benchmarks_rule_9.2.17_Check_for_Duplicate_User_Names Artifact Expression:xccdf_org.cisecurity.benchmarks_ae_9.2.17.1_etc.passwd.noduplicatenames, The Center for Internet Security Red Hat Enterprise Linux 6 Level 1 Benchmark, 1.2.0)
  • Title: Check for Duplicate User Names Description: Although the useradd program will not let you create a duplicate user name, it is possible for an administrator to manually edit the /etc/passwd file and change the user name. Rationale: If a user is assigned a duplicate user name, it will cre… (Rule:xccdf_org.cisecurity.benchmarks_rule_9.2.17_Check_for_Duplicate_User_Names Artifact Expression:xccdf_org.cisecurity.benchmarks_ae_9.2.17.1_etc.passwd.noduplicatenames, The Center for Internet Security Red Hat Enterprise Linux 6 Level 2 Benchmark, 1.2.0)
  • Title: Check for Duplicate User Names Description: Although the useradd program will not let you create a duplicate user name, it is possible for an administrator to manually edit the /etc/passwd file and change the user name. Rationale: If a user is assigned a duplicate user name, it wi… (Rule: xccdf_org.cisecurity.benchmarks_rule_13.16_Check_for_Duplicate_User_Names Artifact Expression: xccdf_org.cisecurity.benchmarks_ae_13.16.1_etc.passwd.noduplicatenames, The Center for Internet Security Ubuntu 12.04 LTS Level 1 Benchmark, v1.0.0)
  • Title: Check for Duplicate User Names Description: Although the useradd program will not let you create a duplicate user name, it is possible for an administrator to manually edit the /etc/passwd file and change the user name. Rationale: If a user is assigned a duplicate user name, it wi… (Rule: xccdf_org.cisecurity.benchmarks_rule_13.16_Check_for_Duplicate_User_Names Artifact Expression: xccdf_org.cisecurity.benchmarks_ae_13.16.1_etc.passwd.noduplicatenames, The Center for Internet Security Ubuntu 12.04 LTS Level 2 Benchmark, v1.0.0)
  • Ensure no duplicate user names exist Description: Although the `useradd` program will not let you create a duplicate user name, it is possible for an administrator to manually edit the `/ etc/passwd` file and change the user name. Rationale: If a user is assigned a duplicate user name, it will creat… (6.2.17, CIS Oracle Linux 8 Benchmark, Server Level 1, v1.0.1)
  • Ensure no duplicate user names exist Description: Although the `useradd` program will not let you create a duplicate user name, it is possible for an administrator to manually edit the `/ etc/passwd` file and change the user name. Rationale: If a user is assigned a duplicate user name, it will creat… (6.2.17, CIS Oracle Linux 8 Benchmark, Server Level 2, v1.0.1)