Guide to the Secure Configuration of Amazon Linux 2023
Rules, Groups, and Values defined within the XCCDF Benchmark
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Account Inactivity Timeout (seconds)
In an interactive shell, the value is interpreted as the number of seconds to wait for input after issuing the primary prompt. Bash terminates after waiting for that number of seconds if input does...Value -
Interactive users initialization files
'A regular expression describing a list of file names for files that are sourced at login time for interactive users'Value -
Set Interactive Session Timeout
Setting the <code>TMOUT</code> option in <code>/etc/profile</code> ensures that all user sessions will terminate based on inactivity. The value of TMOUT should be exported and read only. The <code>...Rule Medium Severity -
User Initialization Files Must Be Group-Owned By The Primary Group
Change the group owner of interactive users files to the group found in <pre>/etc/passwd</pre> for the user. To change the group owner of a local interactive user home directory, use the following ...Rule Medium Severity -
User Initialization Files Must Be Owned By the Primary User
Set the owner of the user initialization files for interactive users to the primary owner with the following command: <pre>$ sudo chown <i>USER</i> /home/<i>USER</i>/.*</pre> This rule ensures eve...Rule Medium Severity -
All Interactive Users Home Directories Must Exist
Create home directories to all local interactive users that currently do not have a home directory assigned. Use the following commands to create the user home directory assigned in <code>/etc/pass...Rule Medium Severity -
Ensure users' .netrc Files are not group or world accessible
While the system administrator can establish secure permissions for users' .netrc files, the users can easily override these. This rule ensures every .netrc file or directory under the home direct...Rule Medium Severity -
All Interactive User Home Directories Must Be Group-Owned By The Primary Group
Change the group owner of interactive users home directory to the group found in <code>/etc/passwd</code>. To change the group owner of interactive users home directory, use the following command: ...Rule Medium Severity -
All Interactive User Home Directories Must Be Owned By The Primary User
Change the owner of interactive users home directories to that correct owner. To change the owner of a interactive users home directory, use the following command: <pre>$ sudo chown <i>USER</i> /ho...Rule Medium Severity -
Ensure that No Dangerous Directories Exist in Root's Path
The active path of the root account can be obtained by starting a new root shell and running: <pre># echo $PATH</pre> This will produce a colon-separated list of directories in the path. <br> ...Group
Node 2
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