Guide to the Secure Configuration of Red Hat Enterprise Linux 7
Rules, Groups, and Values defined within the XCCDF Benchmark
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Disable the varnishd_connect_any SELinux Boolean
By default, the SELinux boolean <code>varnishd_connect_any</code> is disabled. If this setting is enabled, it should be disabled. To disable the <...Rule Medium Severity -
Disable the virt_read_qemu_ga_data SELinux Boolean
By default, the SELinux boolean <code>virt_read_qemu_ga_data</code> is disabled. If this setting is enabled, it should be disabled. To disable the...Rule Medium Severity -
Disable the virt_rw_qemu_ga_data SELinux Boolean
By default, the SELinux boolean <code>virt_rw_qemu_ga_data</code> is disabled. If this setting is enabled, it should be disabled. To disable the <...Rule Medium Severity -
Disable the virt_sandbox_use_all_caps SELinux Boolean
By default, the SELinux boolean <code>virt_sandbox_use_all_caps</code> is enabled. This setting is disabled as containers should not run with privi...Rule Medium Severity -
Enable the virt_sandbox_use_audit SELinux Boolean
By default, the SELinux boolean <code>virt_sandbox_use_audit</code> is enabled. If this setting is disabled, it should be enabled to allow sandboxe...Rule Medium Severity -
Disable the virt_sandbox_use_mknod SELinux Boolean
By default, the SELinux boolean <code>virt_sandbox_use_mknod</code> is disabled. If this setting is enabled, it should be disabled. To disable the...Rule Medium Severity -
Disable the virt_sandbox_use_netlink SELinux Boolean
By default, the SELinux boolean <code>virt_sandbox_use_netlink</code> is disabled. If this setting is enabled, it should be disabled. To disable t...Rule Medium Severity -
Disable the virt_sandbox_use_sys_admin SELinux Boolean
By default, the SELinux boolean <code>virt_sandbox_use_sys_admin</code> is disabled. If this setting is enabled, it should be disabled. To disable...Rule Medium Severity -
Disable the virt_transition_userdomain SELinux Boolean
By default, the SELinux boolean <code>virt_transition_userdomain</code> is disabled. If this setting is enabled, it should be disabled. To disable...Rule Medium Severity -
Disable the virt_use_comm SELinux Boolean
By default, the SELinux boolean <code>virt_use_comm</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>vi...Rule Medium Severity -
Disable the virt_use_execmem SELinux Boolean
By default, the SELinux boolean <code>virt_use_execmem</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code...Rule Medium Severity -
Disable the virt_use_fusefs SELinux Boolean
By default, the SELinux boolean <code>virt_use_fusefs</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>...Rule Medium Severity -
Disable the virt_use_nfs SELinux Boolean
By default, the SELinux boolean <code>virt_use_nfs</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>vir...Rule Medium Severity -
Disable the virt_use_rawip SELinux Boolean
By default, the SELinux boolean <code>virt_use_rawip</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>v...Rule Medium Severity -
Disable the virt_use_samba SELinux Boolean
By default, the SELinux boolean <code>virt_use_samba</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>v...Rule Medium Severity -
Disable the virt_use_sanlock SELinux Boolean
By default, the SELinux boolean <code>virt_use_sanlock</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code...Rule Medium Severity -
Disable the virt_use_usb SELinux Boolean
By default, the SELinux boolean <code>virt_use_usb</code> is enabled. This setting should be disabled. To disable the <code>virt_use_usb</code> SE...Rule Medium Severity -
Disable the virt_use_xserver SELinux Boolean
By default, the SELinux boolean <code>virt_use_xserver</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code...Rule Medium Severity -
Disable the webadm_manage_user_files SELinux Boolean
By default, the SELinux boolean <code>webadm_manage_user_files</code> is disabled. If this setting is enabled, it should be disabled. To disable t...Rule Medium Severity -
Disable the webadm_read_user_files SELinux Boolean
By default, the SELinux boolean <code>webadm_read_user_files</code> is disabled. If this setting is enabled, it should be disabled. To disable the...Rule Medium Severity -
Disable the wine_mmap_zero_ignore SELinux Boolean
By default, the SELinux boolean <code>wine_mmap_zero_ignore</code> is disabled. If this setting is enabled, it should be disabled. To disable the ...Rule Medium Severity -
Disable the xdm_bind_vnc_tcp_port SELinux Boolean
By default, the SELinux boolean <code>xdm_bind_vnc_tcp_port</code> is disabled. If this setting is enabled, it should be disabled. To disable the ...Rule Medium Severity -
Disable the xdm_exec_bootloader SELinux Boolean
By default, the SELinux boolean <code>xdm_exec_bootloader</code> is disabled. If this setting is enabled, it should be disabled. To disable the <c...Rule Medium Severity -
Disable the xdm_sysadm_login SELinux Boolean
By default, the SELinux boolean <code>xdm_sysadm_login</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code...Rule Medium Severity -
Disable the xdm_write_home SELinux Boolean
By default, the SELinux boolean <code>xdm_write_home</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>x...Rule Medium Severity -
Disable the xen_use_nfs SELinux Boolean
By default, the SELinux boolean <code>xen_use_nfs</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>xen_...Rule Medium Severity -
Enable the xend_run_blktap SELinux Boolean
By default, the SELinux boolean <code>xend_run_blktap</code> is enabled. If this setting is disabled, it should be enabled. To enable the <code>xe...Rule Medium Severity -
Enable the xend_run_qemu SELinux Boolean
By default, the SELinux boolean <code>xend_run_qemu</code> is enabled. If this setting is disabled, it should be enabled. To enable the <code>xend...Rule Medium Severity -
Disable the xguest_connect_network SELinux Boolean
By default, the SELinux boolean <code>xguest_connect_network</code> is enabled. This setting should be disabled as guest users should not be able t...Rule Medium Severity -
Disable the xguest_exec_content SELinux Boolean
By default, the SELinux boolean <code>xguest_exec_content</code> is enabled. This setting should be disabled as guest users should not be able to r...Rule Medium Severity -
Disable the xguest_mount_media SELinux Boolean
By default, the SELinux boolean <code>xguest_mount_media</code> is enabled. This setting should be disabled as guest users should not be able to mo...Rule Medium Severity -
Disable the xguest_use_bluetooth SELinux Boolean
By default, the SELinux boolean <code>xguest_use_bluetooth</code> is enabled. This setting should be disabled as guests users should not be able to...Rule Medium Severity -
Disable the xserver_clients_write_xshm SELinux Boolean
By default, the SELinux boolean <code>xserver_clients_write_xshm</code> is disabled. If this setting is enabled, it should be disabled. To disable...Rule Medium Severity -
Disable the xserver_execmem SELinux Boolean
By default, the SELinux boolean <code>xserver_execmem</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code>...Rule Medium Severity -
Disable the xserver_object_manager SELinux Boolean
By default, the SELinux boolean <code>xserver_object_manager</code> is disabled. If this setting is enabled, it should be disabled. To disable the...Rule Medium Severity -
Disable the zabbix_can_network SELinux Boolean
By default, the SELinux boolean <code>zabbix_can_network</code> is disabled. If this setting is enabled, it should be disabled. To disable the <co...Rule Medium Severity -
Disable the zarafa_setrlimit SELinux Boolean
By default, the SELinux boolean <code>zarafa_setrlimit</code> is disabled. If this setting is enabled, it should be disabled. To disable the <code...Rule Medium Severity -
Disable the zebra_write_config SELinux Boolean
By default, the SELinux boolean <code>zebra_write_config</code> is disabled. If this setting is enabled, it should be disabled. To disable the <co...Rule Medium Severity -
Disable the zoneminder_anon_write SELinux Boolean
By default, the SELinux boolean <code>zoneminder_anon_write</code> is disabled. If this setting is enabled, it should be disabled. To disable the ...Rule Medium Severity -
Disable the zoneminder_run_sudo SELinux Boolean
By default, the SELinux boolean <code>zoneminder_run_sudo</code> is disabled. If this setting is enabled, it should be disabled. To disable the <c...Rule Medium Severity -
Services
The best protection against vulnerable software is running less software. This section describes how to review the software which Red Hat Enterpris...Group -
Apport Service
The Apport service provides debugging and crash reporting features on Ubuntu distributions.Group -
APT service configuration
The apt service manage the package management and update of the whole system. Its configuration need to be properly defined to ensure efficient sec...Group -
Avahi Server
The Avahi daemon implements the DNS Service Discovery and Multicast DNS protocols, which provide service and host discovery on a network. It allows...Group -
Uninstall the telnet server
The telnet daemon should be uninstalled.Rule High Severity -
Configure Avahi if Necessary
If your system requires the Avahi daemon, its configuration can be restricted to improve security. The Avahi daemon configuration file is <code>/et...Group -
Check Avahi Responses' TTL Field
To make Avahi ignore packets unless the TTL field is 255, edit <code>/etc/avahi/avahi-daemon.conf</code> and ensure the following line appears in t...Rule Low Severity -
Disable Avahi Publishing
To prevent Avahi from publishing its records, edit <code>/etc/avahi/avahi-daemon.conf</code> and ensure the following line appears in the <code>[pu...Rule Low Severity -
Serve Avahi Only via Required Protocol
If you are using only IPv4, edit <code>/etc/avahi/avahi-daemon.conf</code> and ensure the following line exists in the <code>[server]</code> sectio...Rule Low Severity -
Prevent Other Programs from Using Avahi's Port
To prevent other mDNS stacks from running, edit <code>/etc/avahi/avahi-daemon.conf</code> and ensure the following line appears in the <code>[serve...Rule Medium Severity
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