Guide to the Secure Configuration of Oracle Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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Strengthen Firewall Configuration if Possible
If the SSH server is expected to only receive connections from the local network, then strengthen the default firewall rule for the SSH service to ...Group -
System Security Services Daemon
The System Security Services Daemon (SSSD) is a system daemon that provides access to different identity and authentication providers such as Red H...Group -
SSSD certificate_verification option
Value of the certificate_verification option in the SSSD config.Value -
SSSD memcache_timeout option
Value of the memcache_timeout option in the [nss] section of SSSD config /etc/sssd/sssd.conf.Value -
SSSD ssh_known_hosts_timeout option
Value of the ssh_known_hosts_timeout option in the [ssh] section of SSSD configuration file /etc/sssd/sssd.conf.Value -
Install sssd-ipa Package
Thesssd-ipapackage can be installed with the following command:$ sudo yum install sssd-ipa
Rule Medium Severity -
Install the SSSD Package
The <code>sssd</code> package should be installed. The <code>sssd</code> package can be installed with the following command: <pre> $ sudo yum inst...Rule Medium Severity -
Enable the SSSD Service
The SSSD service should be enabled. The <code>sssd</code> service can be enabled with the following command: <pre>$ sudo systemctl enable sssd.ser...Rule Medium Severity -
Certificate status checking in SSSD
Multifactor solutions that require devices separate from information systems gaining access include, for example, hardware tokens providing time-ba...Rule Medium Severity -
Enable Certmap in SSSD
SSSD should be configured to verify the certificate of the user or group. To set this up ensure that section like <code>certmap/testing.test/rule_...Rule Medium Severity -
Configure PAM in SSSD Services
SSSD should be configured to run SSSD <code>pam</code> services. To configure SSSD to known SSH hosts, add <code>pam</code> to <code>services</code...Rule Medium Severity -
Enable Smartcards in SSSD
SSSD should be configured to authenticate access to the system using smart cards. To enable smart cards in SSSD, set <code>pam_cert_auth</code> to ...Rule Medium Severity -
SSSD Has a Correct Trust Anchor
SSSD must have acceptable trust anchor present.Rule Medium Severity -
Configure SSSD's Memory Cache to Expire
SSSD's memory cache should be configured to set to expire records after <code><xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_sssd_mem...Rule Medium Severity -
Enable the USBGuard Service
The USBGuard service should be enabled. The <code>usbguard</code> service can be enabled with the following command: <pre>$ sudo systemctl enable ...Rule Medium Severity -
Configure SSSD to Expire Offline Credentials
SSSD should be configured to expire offline credentials after 1 day. Check if SSSD allows cached authentications with the following command: <pre>...Rule Medium Severity -
Configure SSSD to run as user sssd
SSSD processes should be configured to run as user sssd, not root.Rule Medium Severity -
Configure SSSD to Expire SSH Known Hosts
SSSD should be configured to expire keys from known SSH hosts after <code><xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_sssd_ssh_kno...Rule Medium Severity -
System Security Services Daemon (SSSD) - LDAP
The System Security Services Daemon (SSSD) is a system daemon that provides access to different identity and authentication providers such as Red H...Group -
SSSD LDAP Backend Client CA Certificate Location
Path of a directory that contains Certificate Authority certificates.Value
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