Security Profile of Oracle Linux 7 for SAP
Rules and Groups employed by this XCCDF Profile
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System Settings
Contains rules that check correct system settings.Group -
Installing and Maintaining Software
The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of s...Group -
SAP Specific Requirement
SAP (Systems, Applications and Products in Data Processing) is enterprise software to manage business operations and customer relations. The follow...Group -
Package glibc Installed
The package <code>glibc</code> is installed on Linux by default, but the <code>glibc</code> version might not be sufficient for SAP. Please refer t...Rule Medium Severity -
Package uuidd Installed
The package <code>uuidd</code> is not installed on normal Linux distribution by default. Applications require this package to avoid database incons...Rule Medium Severity -
Only sidadm and orasid/oracle User Accounts Exist on Operating System
SAP tends to use the server or virtual machine exclusively. There should be only SAP system users <code>sidadm</code> and <code>orasid</code> that ...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 -
Verify Permissions on Files with Local Account Information and Credentials
The default restrictive permissions for files which act as important security databases such as <code>passwd</code>, <code>shadow</code>, <code>gro...Group -
Verify Permissions on shadow File
To properly set the permissions of/etc/shadow, run the command:$ sudo chmod 0000 /etc/shadow
Rule Medium Severity -
Services
The best protection against vulnerable software is running less software. This section describes how to review the software which Oracle Linux 7 in...Group -
Obsolete Services
This section discusses a number of network-visible services which have historically caused problems for system security, and for which disabling or...Group -
NIS
The Network Information Service (NIS), also known as 'Yellow Pages' (YP), and its successor NIS+ have been made obsolete by Kerberos, LDAP, and oth...Group -
Remove NIS Client
The Network Information Service (NIS), formerly known as Yellow Pages, is a client-server directory service protocol used to distribute system conf...Rule Unknown Severity -
Uninstall ypserv Package
Theypservpackage can be removed with the following command:$ sudo yum erase ypserv
Rule High Severity -
Rlogin, Rsh, and Rexec
The Berkeley r-commands are legacy services which allow cleartext remote access and have an insecure trust model.Group -
Disable rlogin Service
The <code>rlogin</code> service, which is available with the <code>rsh-server</code> package and runs as a service through xinetd or separately as ...Rule High Severity -
Disable rsh Service
The <code>rsh</code> service, which is available with the <code>rsh-server</code> package and runs as a service through xinetd or separately as a s...Rule High Severity -
Remove Rsh Trust Files
The files <code>/etc/hosts.equiv</code> and <code>~/.rhosts</code> (in each user's home directory) list remote hosts and users that are trusted by ...Rule High Severity
Node 2
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