Hardening for Public Cloud Image of SUSE Linux Enterprise Server (SLES) for SAP Applications 15
Rules and Groups employed by this XCCDF Profile
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Disable Core Dumps
A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases,...Group -
Disable Core Dumps for All Users
To disable core dumps for all users, add the following line to <code>/etc/security/limits.conf</code>, or to a file within the <code>/etc/security/...Rule Medium Severity -
Disable Core Dumps for SUID programs
To set the runtime status of the <code>fs.suid_dumpable</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.suid_dumpable=...Rule Medium Severity -
Enable ExecShield
ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These featu...Group -
Enable Randomized Layout of Virtual Address Space
To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.r...Rule Medium Severity -
Services
The best protection against vulnerable software is running less software. This section describes how to review the software which SUSE Linux Enterp...Group -
Cron and At Daemons
The cron and at services are used to allow commands to be executed at a later time. The cron service is required by almost all systems to perform n...Group -
Verify Permissions on cron.d
To properly set the permissions of/etc/cron.d
, run the command:$ sudo chmod 0700 /etc/cron.d
Rule Medium Severity -
Verify Permissions on cron.daily
To properly set the permissions of/etc/cron.daily
, run the command:$ sudo chmod 0700 /etc/cron.daily
Rule Medium Severity -
Verify Permissions on cron.hourly
To properly set the permissions of/etc/cron.hourly
, run the command:$ sudo chmod 0700 /etc/cron.hourly
Rule Medium Severity
Node 2
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