PCI-DSS v4 Control Baseline for SUSE Linux enterprise 12
Rules and Groups employed by this XCCDF Profile
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Verify Permissions on /etc/cron.allow file
If <code>/etc/cron.allow</code> exists, it must have permissions <code>0640</code> or more restrictive. To properly set the permissions of <code>...Rule Medium Severity -
DHCP
The Dynamic Host Configuration Protocol (DHCP) allows systems to request and obtain an IP address and other configuration parameters from a server....Group -
Disable DHCP Server
The DHCP server <code>dhcpd</code> is not installed or activated by default. If the software was installed and activated, but the system does not n...Group -
Uninstall DHCP Server Package
If the system does not need to act as a DHCP server, the dhcp package can be uninstalled. The <code>dhcp-server</code> package can be removed with...Rule Medium Severity -
DNS Server
Most organizations have an operational need to run at least one nameserver. However, there are many common attacks involving DNS server software, a...Group -
Disable DNS Server
DNS software should be disabled on any systems which does not need to be a nameserver. Note that the BIND DNS server software is not installed on S...Group -
Uninstall bind Package
The <code>named</code> service is provided by the <code>bind</code> package. The <code>bind</code> package can be removed with the following comman...Rule Low Severity -
Web Server
The web server is responsible for providing access to content via the HTTP protocol. Web servers represent a significant security risk because: <br...Group -
Disable Apache if Possible
If Apache was installed and activated, but the system does not need to act as a web server, then it should be disabled and removed from the system.Group -
Uninstall httpd Package
Thehttpd
package can be removed with the following command:$ sudo zypper remove httpd
Rule Unknown Severity -
LDAP
LDAP is a popular directory service, that is, a standardized way of looking up information from a central database. SUSE Linux Enterprise 12 includ...Group -
Configure OpenLDAP Server
This section details some security-relevant settings for an OpenLDAP server.Group -
Uninstall openldap-servers Package
The openldap2 package is not installed by default on a SUSE Linux Enterprise 12 system. It is needed only by the OpenLDAP server, not by the client...Rule Low Severity -
NFS and RPC
The Network File System is a popular distributed filesystem for the Unix environment, and is very widely deployed. This section discusses the circ...Group -
Uninstall nfs-utils Package
Thenfs-utils
package can be removed with the following command:$ sudo zypper remove nfs-utils
Rule Low Severity -
Disable All NFS Services if Possible
If there is not a reason for the system to operate as either an NFS client or an NFS server, follow all instructions in this section to disable sub...Group -
Disable Services Used Only by NFS
If NFS is not needed, disable the NFS client daemons nfslock, rpcgssd, and rpcidmapd. <br><br> All of these daemons run with elevated privileges, a...Group -
Disable rpcbind Service
The rpcbind utility maps RPC services to the ports on which they listen. RPC processes notify rpcbind when they start, registering the ports they a...Rule Low Severity -
Network Time Protocol
The Network Time Protocol is used to manage the system clock over a network. Computer clocks are not very accurate, so time will drift unpredictabl...Group -
Enable the NTP Daemon
Run the following command to determine the current status of the <code>chronyd</code> service: <pre>$ sudo systemctl is-active chronyd</pre> If t...Rule Medium Severity
Node 2
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