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 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 -
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 -
Disable Advanced Configuration and Power Interface (acpid)
The Advanced Configuration and Power Interface Daemon (<code>acpid</code>) dispatches ACPI events (such as power/reset button depressed) to userspa...Rule Medium Severity -
Restrict Information Published by Avahi
If it is necessary to publish some information to the network, it should not be joined by any extraneous information, or by information supplied by...Rule Low Severity -
Disable Avahi Server if Possible
Because the Avahi daemon service keeps an open network port, it is subject to network attacks. Disabling it can reduce the system's vulnerability t...Group
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