Guide to the Secure Configuration of Red Hat Enterprise Linux 10
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify Permissions On /etc/nftables Directory
To properly set the permissions of/etc/nftables
, run the command:$ sudo chmod 0700 /etc/nftables
Rule Medium Severity -
Uncommon Network Protocols
The system includes support for several network protocols which are not commonly used. Although security vulnerabilities in kernel networking code ...Group -
Verify User Who Owns Backup passwd File
To properly set the owner of/etc/passwd-
, run the command:$ sudo chown 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/etc/audit/auditd.conf
, run the command:$ sudo chmod 0640 /etc/audit/auditd.conf
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 -
Ensure All SUID Executables Are Authorized
The SUID (set user id) bit should be set only on files that were installed via authorized means. A straightforward means of identifying unauthorize...Rule Medium Severity -
Ensure No World-Writable Files Exist
It is generally a good idea to remove global (other) write access to a file when it is discovered. However, check with documentation for specific a...Rule Medium Severity -
Ensure All Files Are Owned by a Group
If any file is not group-owned by a group present in /etc/group, the cause of the lack of group-ownership must be investigated. Following this, tho...Rule Medium Severity -
Ensure All Files Are Owned by a User
If any files are not owned by a user, then the cause of their lack of ownership should be investigated. Following this, the files should be deleted...Rule Medium Severity -
Enable Kernel Parameter to Enforce DAC on FIFOs
To set the runtime status of the <code>fs.protected_fifos</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.protected_fi...Rule Medium Severity
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