Guide to the Secure Configuration of Red Hat Enterprise Linux 10
Rules, Groups, and Values defined within the XCCDF Benchmark
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Network Manager
The NetworkManager daemon configures a variety of network connections. This section discusses how to configure NetworkManager.Group -
NetworkManager DNS Mode
This sets how NetworkManager handles DNS. none - NetworkManager will not modify resolv.conf. default - NetworkManager will update /etc/resolv.con...Value -
NetworkManager DNS Mode Must Be Must Configured
The DNS processing mode in NetworkManager describes how DNS is processed on the system. Depending the mode some changes the system's DNS may not be...Rule Medium Severity -
File Permissions and Masks
Traditional Unix security relies heavily on file and directory permissions to prevent unauthorized users from reading or modifying files to which t...Group -
Verify Permissions on Important Files and Directories
Permissions for many files on a system must be set restrictively to ensure sensitive information is properly protected. This section discusses impo...Group -
Ensure All World-Writable Directories Are Owned by root User
All directories in local partitions which are world-writable should be owned by root. If any world-writable directories are not owned by root, this...Rule Medium Severity -
Verify Group Who Owns Backup passwd File
To properly set the group owner of/etc/passwd-, run the command:$ sudo chgrp root /etc/passwd-
Rule Medium Severity -
Verify that All World-Writable Directories Have Sticky Bits Set
When the so-called 'sticky bit' is set on a directory, only the owner of a given file may remove that file from the directory. Without the sticky b...Rule Medium Severity -
Verify that system commands directories have root as a group owner
System commands are stored in the following directories: by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> ...Rule Medium Severity -
Verify that system commands directories have root ownership
System commands are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> A...Rule Medium Severity -
Verify Group Who Owns /etc/crypttab File
To properly set the group owner of/etc/crypttab, run the command:$ sudo chgrp root /etc/crypttab
Rule Medium Severity -
Verify Group Who Owns System.map Files
The System.map files are symbol map files generated during the compilation of the Linux kernel. They contain the mapping between kernel symbols and...Rule Low Severity -
Verify User Who Owns /etc/crypttab File
To properly set the owner of/etc/crypttab, run the command:$ sudo chown root /etc/crypttab
Rule Medium Severity -
Verify User Who Owns System.map Files
The System.map files are symbol map files generated during the compilation of the Linux kernel. They contain the mapping between kernel symbols and...Rule Low Severity -
Verify Permissions on /etc/audit/auditd.conf
To properly set the permissions of <code>/etc/audit/auditd.conf</code>, run the command: <pre>$ sudo chmod 0640 /etc/audit/auditd.conf</pre> ...Rule Medium Severity -
Verify User Who Owns Backup shadow File
To properly set the group owner of/etc/shadow-, run the command:$ sudo chgrp root /etc/shadow-
Rule Medium Severity -
Verify Permissions on /etc/audit/rules.d/*.rules
To properly set the permissions of <code>/etc/audit/rules.d/*.rules</code>, run the command: <pre>$ sudo chmod 0640 /etc/audit/rules.d/*.rules</pr...Rule Medium Severity -
Verify Permissions On /etc/crypttab File
To properly set the permissions of/etc/crypttab, run the command:$ sudo chmod 0600 /etc/crypttab
Rule Medium Severity -
Verify Permissions on System.map Files
The System.map files are symbol map files generated during the compilation of the Linux kernel. They contain the mapping between kernel symbols and...Rule Low Severity -
Ensure All SGID Executables Are Authorized
The SGID (set group id) bit should be set only on files that were installed via authorized means. A straightforward means of identifying unauthoriz...Rule Medium Severity
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