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oval:org.secpod.oval:def:72932
Ensure ip6tables in enabled and running oval:org.secpod.oval:def:72877 The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for unprivil ... oval:org.secpod.oval:def:48361 Protect against unnecessary release of information. oval:org.secpod.oval:def:48268 action_mail_acct setting in /etc/audit/auditd.conf is set to a certain account oval:org.secpod.oval:def:72864 If any users' home directories do not exist, create them and make sure the respective user owns the directory. Users without an assigned home directory should be removed or assigned a home directory as appropriate. oval:org.secpod.oval:def:72853 SSH port forwarding is a mechanism in SSH for tunneling application ports from the client to the server, or servers to clients. It can be used for adding encryption to legacy applications, going through firewalls, and some system administrators and IT professionals use it for opening backdoors into ... oval:org.secpod.oval:def:72847 Avahi is a free zeroconf implementation, including a system for multicast DNS/DNS-SD service discovery. Avahi allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example, a user can plug a computer into a network and Avahi automat ... oval:org.secpod.oval:def:72909 All accounts must have passwords or be locked to prevent the account from being used by an unauthorized user. oval:org.secpod.oval:def:48517 The RPM package telnet should be installed. oval:org.secpod.oval:def:48254 Syslog logs should be sent to a remote loghost oval:org.secpod.oval:def:72850 iptables allows configuration of the IPv4 tables in the linux kernel and the rules stored within them. Most firewall configuration utilities operate as a front end to iptables. oval:org.secpod.oval:def:48271 Record attempts to alter time through settimeofday. oval:org.secpod.oval:def:48457 The default umask for all users should be set correctly oval:org.secpod.oval:def:48238 Global IPv6 initialization should be disabled. oval:org.secpod.oval:def:48357 Specify Additional Remote NTP Servers (/etc/ntp.conf) should be configured appropriately. oval:org.secpod.oval:def:48425 The kernel module hfsplus should be disabled. oval:org.secpod.oval:def:48343 Disable Avahi Publishing (/etc/avahi/avahi-daemon.conf) should be configured appropriately. oval:org.secpod.oval:def:48445 Systems that are using the 64-bit x86 kernel package do not need to install the kernel-PAE package because the 64-bit x86 kernel already includes this support. However, if the system is 32-bit and also supports the PAE and NX features as determined in the previous section, the kernel-PAE package sho ... oval:org.secpod.oval:def:48539 This test makes sure that '/etc/gshadow' is setted appropriate permission. If the target file or directory has an extended ACL then it will fail the mode check. oval:org.secpod.oval:def:72886 The /var directory is used by daemons and other system services to temporarily store dynamic data. Some directories created by these processes may be world-writable. oval:org.secpod.oval:def:48458 The default umask for all users specified in /etc/login.defs oval:org.secpod.oval:def:48250 The kernel module tipc should be disabled. oval:org.secpod.oval:def:48486 The /etc/passwd file should be owned by the appropriate group. oval:org.secpod.oval:def:48407 The kernel module jffs2 should be disabled. oval:org.secpod.oval:def:48385 A warning banner for all FTP users should be enabled or disabled as appropriate oval:org.secpod.oval:def:48419 Configure Dovecot to Use the SSL Key file should be configured appropriately. oval:org.secpod.oval:def:48530 The '/etc/shadow' file should be owned by the appropriate group. oval:org.secpod.oval:def:48270 Record attempts to alter time through adjtimex. oval:org.secpod.oval:def:48279 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:72851 Configure SELINUX to be enabled at boot time and verify that it has not been overwritten by the grub boot parameters. Rationale: SELinux must be enabled at boot time in your grub configuration to ensure that the controls it provides are not overridden. oval:org.secpod.oval:def:72858 To protect a system from denial of service due to a large number of pending authentication connection attempts, use the rate limiting function of MaxStartups to protect availability of sshd logins and prevent overwhelming the daemon. oval:org.secpod.oval:def:48387 Restrict Access to Anonymous Users should be configured appropriately. oval:org.secpod.oval:def:72917 Ensure root is the only UID 0 account oval:org.secpod.oval:def:48494 The /etc/gshadow file should be owned by the appropriate group. oval:org.secpod.oval:def:48460 The RPM package screen should be installed. oval:org.secpod.oval:def:48305 The RPM package ypserv should be removed. oval:org.secpod.oval:def:48475 The kernel runtime parameter "net.ipv4.tcp_syncookies" should be set to "1". oval:org.secpod.oval:def:48533 The SELinux policy should be set appropriately. oval:org.secpod.oval:def:48349 The RPM package dhcpd should be removed. oval:org.secpod.oval:def:72943 Ensure mounting of FAT filesystems is limited oval:org.secpod.oval:def:48390 The RPM package httpd should be removed. oval:org.secpod.oval:def:48255 rsyslogd should reject remote messages oval:org.secpod.oval:def:48281 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48267 admin_space_left_action setting in /etc/audit/auditd.conf is set to a certain action oval:org.secpod.oval:def:48469 The kernel runtime parameter "net.ipv4.conf.all.log_martians" should be set to "1". oval:org.secpod.oval:def:48528 The password minimum length should be set appropriately. oval:org.secpod.oval:def:48451 The .netrc files contain login information used to auto-login into FTP servers and reside in the user's home directory. Any .netrc files should be removed. oval:org.secpod.oval:def:72848 The Common Unix Print System (CUPS) provides the ability to print to both local and network printers. A system running CUPS can also accept print jobs from remote systems and print them to local printers. It also provides a web based remote administration capability. oval:org.secpod.oval:def:48516 Only SSH protocol version 2 connections should be permitted. oval:org.secpod.oval:def:48493 The kernel module dccp should be disabled. oval:org.secpod.oval:def:72930 Ensure cron daemon is enabled and running oval:org.secpod.oval:def:48433 The RPM package rsh should be installed. oval:org.secpod.oval:def:48420 Plaintext authentication of mail clients should be enabled or disabled as appropriate. oval:org.secpod.oval:def:48285 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:72942 Ensure only strong MAC algorithms are used oval:org.secpod.oval:def:48535 All password hashes should be shadowed. oval:org.secpod.oval:def:48519 The password hashing algorithm should be set correctly in /etc/libuser.conf. oval:org.secpod.oval:def:48485 The password difok should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:48379 Ensure Insecure File Locking is Not Allowed (/etc/exports) should be configured appropriately. oval:org.secpod.oval:def:48434 The RPM package ypbind should be installed. oval:org.secpod.oval:def:48541 The RPM package telnet-server should be removed. oval:org.secpod.oval:def:72856 The MaxAuthTries parameter specifies the maximum number of authentication attempts permitted per connection. When the login failure count reaches half the number, error messages will be written to the syslog file detailing the login failure. oval:org.secpod.oval:def:48290 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48247 Change the default policy to DROP (from ACCEPT) for the INPUT built-in chain (/etc/sysconfig/iptables). oval:org.secpod.oval:def:72859 When usePAM is set to yes, PAM runs through account and session types properly. This is important if you want to restrict access to services based off of IP, time or other factors of the account. Additionally, you can make sure users inherit certain environment variables on login or disallow access ... oval:org.secpod.oval:def:48364 The RPM package openldap-servers should be removed. oval:org.secpod.oval:def:72912 The .netrcfile presents a significant security risk since it stores passwords in unencrypted form. Even if FTP is disabled, user accounts may have brought over .netrcfiles from other systems which could pose a risk to those systems. oval:org.secpod.oval:def:48481 The root account is the only system account that should have a login shell. oval:org.secpod.oval:def:48282 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48251 The RPM package libreswan should be installed. oval:org.secpod.oval:def:48522 The maximum number of concurrent login sessions per user should meet minimum requirements. oval:org.secpod.oval:def:48356 A remote NTP Server for time synchronization should be specified (and dependencies are met) oval:org.secpod.oval:def:72929 Ensure nftables is not installed or stopped and masked oval:org.secpod.oval:def:72849 Ensure LDAP Client is not installed oval:org.secpod.oval:def:48332 The kernel module usb-storage should be disabled. oval:org.secpod.oval:def:72928 Ensure nfs-utils is not installed or the nfs-server service is masked oval:org.secpod.oval:def:72914 sudo allows a permitted user to execute a command as the superuser or another user, as specified by the security policy. The invoking user's real (not effective) user ID is used to determine the user name with which to query the security policy. oval:org.secpod.oval:def:48338 Limit Users SSH Access should be configured appropriately. oval:org.secpod.oval:def:72906 Ensure users' home directories permissions are 750 or more restrictive oval:org.secpod.oval:def:72883 Since the /var/tmp filesystem is only intended for temporary file storage, set this option to ensure that users cannot run executable binaries from /tmp oval:org.secpod.oval:def:48284 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48534 The /etc/passwd file should be owned by the appropriate user. oval:org.secpod.oval:def:48525 The kernel module sctp should be disabled. oval:org.secpod.oval:def:72904 An SSH public key is one of two files used in SSH public key authentication. In this authentication method, a public key is a key that can be used for verifying digital signatures generated using a corresponding private key. Only a public key that corresponds to a private key will be able to authent ... oval:org.secpod.oval:def:48526 The password lcredit should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:48334 The anacron service should be enabled or disabled as appropriate. oval:org.secpod.oval:def:72861 The Samba daemon allows system administrators to configure their Linux systems to share file systems and directories with Windows desktops. Samba will advertise the file systems and directories via the Server Message Block (SMB) protocol. Windows desktop users will be able to mount these directories ... oval:org.secpod.oval:def:48417 SSL capabilities should be enabled for the mail server. oval:org.secpod.oval:def:72905 An SSH private key is one of two files used in SSH public key authentication. In this authentication method, The possession of the private key is proof of identity. Only a private key that corresponds to a public key will be able to authenticate successfully. The private keys need to be stored and ... oval:org.secpod.oval:def:48384 Logging of vsftpd transactions should be enabled or disabled as appropriate oval:org.secpod.oval:def:48477 The kernel runtime parameter "net.ipv4.conf.default.rp_filter" should be set to "1". oval:org.secpod.oval:def:72944 Disable Automounting oval:org.secpod.oval:def:72843 Record events affecting the group, passwd (user IDs), shadow and gshadow (passwords) or /etc/security/opasswd (old passwords, based on remember parameter in the PAM configuration) files. The parameters in this section will watch the files to see if they have been opened for write or have had attribu ... oval:org.secpod.oval:def:48359 The RPM package sendmail should be removed. oval:org.secpod.oval:def:48432 The RPM package mcstrans should be installed. oval:org.secpod.oval:def:72862 The X Window System provides a Graphical User Interface (GUI) where users can have multiple windows in which to run programs and various add on. The X Windows system is typically used on workstations where users login, but not on servers where users typically do not login. oval:org.secpod.oval:def:72882 Since the /var/tmp partition is not intended to support devices, set this option to ensure that users cannot attempt to create block or character special devices. oval:org.secpod.oval:def:48546 SSH warning banner should be enabled (and dependencies are met). oval:org.secpod.oval:def:72933 Ensure iptables in enabled and running oval:org.secpod.oval:def:48295 Audit rules that detect the mounting of filesystems should be enabled. oval:org.secpod.oval:def:72923 Periodic checking of the filesystem integrity is needed to detect changes to the filesystem. oval:org.secpod.oval:def:72913 Ensure sudo log file exists oval:org.secpod.oval:def:48489 The number of allowed failed logins should be set correctly. oval:org.secpod.oval:def:48280 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:72940 Ensure rsyslog default file permissions configured oval:org.secpod.oval:def:72910 The shadow group allows system programs which require access the ability to read the /etc/shadow file. No users should be assigned to the shadow group. oval:org.secpod.oval:def:72874 A firewall zone defines the trust level for a connection, interface or source address binding. This is a one to many relation, which means that a connection, interface or source can only be part of one zone, but a zone can be used for many network connections, interfaces and sources. oval:org.secpod.oval:def:72892 The contents of the /var/lib/update-motd/motd file are displayed to users after login and function as a message of the day for authenticated users. oval:org.secpod.oval:def:72920 Ensure no duplicate group names account oval:org.secpod.oval:def:48286 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48249 The kernel module rds should be disabled. oval:org.secpod.oval:def:48296 Audit actions taken by system administrators on the system. oval:org.secpod.oval:def:72873 TMOUT is an environmental setting that determines the timeout of a shell in seconds. oval:org.secpod.oval:def:72878 Since the user partitions are not intended to support devices, set this option to ensure that users cannot attempt to create block or character special devices. oval:org.secpod.oval:def:48501 This test makes sure that '/etc/passwd' has proper permission. If the target file or directory has an extended ACL then it will fail the mode check. oval:org.secpod.oval:def:48274 Record attempts to alter time through /etc/localtime oval:org.secpod.oval:def:48264 max_log_file setting in /etc/audit/auditd.conf is set to at least a certain value oval:org.secpod.oval:def:48491 The SELinux state should be enforcing the local policy. oval:org.secpod.oval:def:48472 The kernel runtime parameter "net.ipv4.conf.default.secure_redirects" should be set to "0". oval:org.secpod.oval:def:72936 Ensure rsync is not installed or the rsyncd service is masked oval:org.secpod.oval:def:48437 The RPM package talk-server should be installed. oval:org.secpod.oval:def:48422 Require samba clients which use smb.conf, such as smbclient, to use packet signing. A Samba client should only communicate with servers who can support SMB packet signing. oval:org.secpod.oval:def:72900 Granting write access to this directory for non-privileged users could provide them the means for gaining unauthorized elevated privileges. Granting read access to this directory could give an unprivileged user insight in how to gain elevated privileges or circumvent auditing controls. oval:org.secpod.oval:def:48442 Core dumps for all users should be disabled oval:org.secpod.oval:def:48424 The RPM package squid should be removed. oval:org.secpod.oval:def:48240 The kernel runtime parameter "net.ipv6.conf.default.accept_ra" should be set to "0". oval:org.secpod.oval:def:72870 Setting the boot loader password will require that anyone rebooting the system must enter a password before being able to set command line boot parameters. oval:org.secpod.oval:def:48410 The mod_security package installation should be configured appropriately. oval:org.secpod.oval:def:48439 The kernel module udf should be enabled or disabled as appropriate. oval:org.secpod.oval:def:72857 To protect a system from denial of service due to a large number of concurrent sessions, use the rate limiting function of MaxSessions to protect availability of sshd logins and prevent overwhelming the daemon. oval:org.secpod.oval:def:72947 Ensure auditd service is enabled and running oval:org.secpod.oval:def:48531 The audit rules should be configured to log information about kernel module loading and unloading. oval:org.secpod.oval:def:48450 Preventing direct root login to serial port interfaces helps ensure accountability for actions taken on the system using the root account. oval:org.secpod.oval:def:48266 space_left_action setting in /etc/audit/auditd.conf is set to a certain action oval:org.secpod.oval:def:48427 The RPM package net-snmp should be removed. oval:org.secpod.oval:def:48308 The RPM package tftp-server should be removed. oval:org.secpod.oval:def:48470 The Kernel Parameter for Accepting Source-Routed Packets By Default and all interfaces should be enabled or disabled as appropriate. oval:org.secpod.oval:def:48414 The dovecot service should be disabled if possible. oval:org.secpod.oval:def:48441 The daemon umask should be set as appropriate oval:org.secpod.oval:def:48293 Audit rules about the Unauthorized Access Attempts to Files (unsuccessful) are enabled oval:org.secpod.oval:def:48252 The RPM package rsyslog should be installed. oval:org.secpod.oval:def:72876 The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for unprivileged users to attain unauthorized administrative access. oval:org.secpod.oval:def:72891 It is critical to ensure that the /etc/passwd- file is protected from unauthorized access. Although it is protected by default, the file permissions could be changed either inadvertently or through malicious actions. oval:org.secpod.oval:def:48474 The kernel runtime parameter "net.ipv4.icmp_ignore_bogus_error_responses" should be set to "1". oval:org.secpod.oval:def:72927 Ensure inactive password lock is 30 days or less oval:org.secpod.oval:def:72852 SELinux gives that extra layer of security to the resources in the system. It provides the MAC (mandatory access control) as contrary to the DAC (Discretionary access control). oval:org.secpod.oval:def:48518 Limit the ciphers to those which are FIPS-approved and only use ciphers in counter (CTR) mode. oval:org.secpod.oval:def:48502 The number of allowed failed logins should be set correctly. oval:org.secpod.oval:def:72898 Granting write access to this directory for non-privileged users could provide them the means for gaining unauthorized elevated privileges. Granting read access to this directory could give an unprivileged user insight in how to gain elevated privileges or circumvent auditing controls. oval:org.secpod.oval:def:72924 Periodic checking of the filesystem integrity is needed to detect changes to the filesystem. oval:org.secpod.oval:def:48465 The kernel runtime parameter "net.ipv4.ip_forward" should be set to "0". oval:org.secpod.oval:def:72897 The /etc/cron.weekly directory contains system cron jobs that need to run on a weekly basis. The files in this directory cannot be manipulated by the crontab command, but are instead edited by system administrators using a text editor. The commands below restrict read/write and search access to use ... oval:org.secpod.oval:def:72921 nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames and is the successor to iptables. oval:org.secpod.oval:def:72868 auditd is the userspace component to the Linux Auditing System. It's responsible for writing audit records to the disk oval:org.secpod.oval:def:48510 The gpgcheck option should be used to ensure that checking of an RPM package's signature always occurs prior to its installation. oval:org.secpod.oval:def:72866 Configure /etc/cron.allow and /etc/at.allow to allow specific users to use these services. If /etc/cron.allow or /etc/at.allow do not exist, then /etc/at.deny and /etc/cron.deny are checked. Any user not specifically defined in those files is allowed to use at and cron. By removing the files, only u ... oval:org.secpod.oval:def:48337 If inbound SSH access is not needed, the firewall should disallow or reject access to the SSH port (22). oval:org.secpod.oval:def:72901 Granting write access to this directory for non-privileged users could provide them the means for gaining unauthorized elevated privileges. Granting read access to this directory could give an unprivileged user insight in how to gain elevated privileges or circumvent auditing controls. oval:org.secpod.oval:def:48505 Root login via SSH should be disabled (and dependencies are met) oval:org.secpod.oval:def:72879 Since the /tmp partition is not intended to support devices, set this option to ensure that users cannot attempt to create block or character special devices. oval:org.secpod.oval:def:72887 There are two important reasons to ensure that system logs are stored on a separate partition: protection against resource exhaustion (since logs can grow quite large) and protection of audit data. oval:org.secpod.oval:def:48455 The default umask for users of the bash shell oval:org.secpod.oval:def:48508 PermitUserEnvironment should be disabled oval:org.secpod.oval:def:72925 Ensure journald is configured to write logfiles to persistent disk oval:org.secpod.oval:def:48436 The squashfs Kernel Module should be enabled or disabled as appropriate. oval:org.secpod.oval:def:48386 The kernel module cramfs should be disabled. oval:org.secpod.oval:def:72941 Ensure only strong Key Exchange algorithms are used oval:org.secpod.oval:def:48353 Logging (/etc/rsyslog.conf) should be configured appropriately. oval:org.secpod.oval:def:72865 If a users recorded password change date is in the future then they could bypass any set password expiration. oval:org.secpod.oval:def:48287 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:72946 >Ensure mail transfer agent is configured for local-only mode oval:org.secpod.oval:def:72890 The /etc/shadow- file is used to store backup information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information. oval:org.secpod.oval:def:48532 The password retry should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:48256 The 'rsyslog' to Accept Messages via TCP, if Acting As Log Server should be enabled or disabled as appropriate. oval:org.secpod.oval:def:48248 IP forwarding should be enabled or disabled as appropriate. oval:org.secpod.oval:def:48300 The RPM package rsh-server should be removed. oval:org.secpod.oval:def:48283 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48463 The kernel runtime parameter "net.ipv4.conf.default.send_redirects" should be set to "0". oval:org.secpod.oval:def:72908 System time should be synchronized between all systems in an environment. This is typically done by establishing an authoritative time server or set of servers and having all systems synchronize their clocks to them. oval:org.secpod.oval:def:72939 Ensure ntp is configured oval:org.secpod.oval:def:48273 Record attempts to alter time through clock_settime. oval:org.secpod.oval:def:72915 sudo can be configured to run only from a pseudo-pty oval:org.secpod.oval:def:48479 The kernel module bluetooth should be disabled. oval:org.secpod.oval:def:72855 Setting the LoginGraceTime parameter to a low number will minimize the risk of successful brute force attacks to the SSH server. It will also limit the number of concurrent unauthenticated connections While the recommended setting is 60 seconds (1 Minute), set the number based on site policy. oval:org.secpod.oval:def:72934 Ensure rsyslog Service is enabled and running oval:org.secpod.oval:def:72919 Ensure no duplicate user names account oval:org.secpod.oval:def:48416 The kernel module hfs should be disabled. oval:org.secpod.oval:def:72922 Ensure iptables packages are installed oval:org.secpod.oval:def:72937 Ensure no users have .forward files oval:org.secpod.oval:def:72846 The su command allows a user to run a command or shell as another user. The program has been superseded by sudo, which allows for more granular control over privileged access. Normally, the su command can be executed by any user. By uncommenting the pam_wheel.so statement in /etc/pam.d/su, the su co ... oval:org.secpod.oval:def:48292 Audit rules should capture information about session initiation. oval:org.secpod.oval:def:72894 The file is used to store backup information about groups that is critical to the security of those accounts, such as the hashed password and other security information. oval:org.secpod.oval:def:72854 SSH provides several logging levels with varying amounts of verbosity. DEBUG is specifically not recommended other than strictly for debugging SSH communications since it provides so much data that it is difficult to identify important security information. INFO level is the basic level that only re ... oval:org.secpod.oval:def:72860 Disable X11 forwarding unless there is an operational requirement to use X11 applications directly. There is a small risk that the remote X11 servers of users who are logged in via SSH with X11 forwarding could be compromised by other users on the X11 server. Note that even if X11 forwarding is disa ... oval:org.secpod.oval:def:48269 Configure auditd to use audispd plugin (/etc/audisp/plugins.d/syslog.conf) should be configured appropriately. oval:org.secpod.oval:def:48545 The system login banner text should be set correctly. oval:org.secpod.oval:def:48521 The SSH ClientAliveCountMax should be set to an appropriate value (and dependencies are met) oval:org.secpod.oval:def:48490 The /etc/shadow file should be owned by the appropriate user. oval:org.secpod.oval:def:48443 The kernel runtime parameter "fs.suid_dumpable" should be set to "0". oval:org.secpod.oval:def:48289 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:72926 Ensure journald is configured to send logs to rsyslog oval:org.secpod.oval:def:48523 This test makes sure that '/etc/shadow' file permission is setted as appropriate. If the target file or directory has an extended ACL then it will fail the mode check. oval:org.secpod.oval:def:48515 The /etc/group file should be owned by the appropriate group. oval:org.secpod.oval:def:48540 The password dcredit should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:72863 Groups defined in the /etc/passwd file but not in the /etc/group file pose a threat to system security since group permissions are not properly managed. oval:org.secpod.oval:def:48544 Audit files deletion events. oval:org.secpod.oval:def:72899 Granting write access to this directory for non-privileged users could provide them the means for gaining unauthorized elevated privileges. Granting read access to this directory could give an unprivileged user insight in how to gain elevated privileges or circumvent auditing controls. oval:org.secpod.oval:def:48504 The /etc/group file should be owned by the appropriate user. oval:org.secpod.oval:def:48383 The RPM package vsftpd should be removed. oval:org.secpod.oval:def:48467 The kernel runtime parameter "net.ipv4.conf.all.accept_redirects" should be set to "0". oval:org.secpod.oval:def:72880 Since the /tmp filesystem is only intended for temporary file storage, set this option to ensure that users cannot run executable binaries from /tmp oval:org.secpod.oval:def:48473 The kernel runtime parameter "net.ipv4.icmp_echo_ignore_broadcasts" should be set to "1". oval:org.secpod.oval:def:48388 File uploads via vsftpd should be enabled or disabled as appropriate oval:org.secpod.oval:def:48435 The RPM package tftp should be installed. oval:org.secpod.oval:def:48536 The password ocredit should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:72889 There are two important reasons to ensure that data gathered by is stored on a separate partition: protection against resource exhaustion (since the audit.log file can grow quite large) and protection of audit data. The audit daemon calculates how much free space is left and performs actions based ... oval:org.secpod.oval:def:72895 The file is used to store backup information about groups that is critical to the security of those accounts, such as the hashed password and other security information. oval:org.secpod.oval:def:72881 Since the /tmp filesystem is only intended for temporary file storage, set this option to ensure that users cannot run executable binaries from /tmp oval:org.secpod.oval:def:48538 The /etc/gshadow file should be owned by the appropriate user. oval:org.secpod.oval:def:48484 The password minclass should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:72872 Ensure default group for the root account is GID 0 oval:org.secpod.oval:def:48277 Audit rules that detect changes to the system's mandatory access controls (SELinux) are enabled. oval:org.secpod.oval:def:48524 The password hashing algorithm should be set correctly in /etc/pam.d/system-auth. oval:org.secpod.oval:def:48418 Dovecot plaintext authentication of clients should be enabled or disabled as necessary oval:org.secpod.oval:def:48497 Remote connections (SSH) from accounts with empty passwords should be disabled (and dependencies are met). oval:org.secpod.oval:def:48288 The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48245 Change the default policy to DROP (from ACCEPT) for the INPUT built-in chain (/etc/sysconfig/ip6tables). oval:org.secpod.oval:def:48263 num_logs setting in /etc/audit/auditd.conf is set to at least a certain value oval:org.secpod.oval:def:48506 File permissions for '/etc/group' should be set correctly. oval:org.secpod.oval:def:72844 Monitor scope changes for system administrations. If the system has been properly configured to force system administrators to log in as themselves first and then use the sudo command to execute privileged commands, it is possible to monitor changes in scope. The file /etc/sudoers will be written t ... oval:org.secpod.oval:def:72911 Making global modifications to users' files without alerting the user community can result in unexpected outages and unhappy users. Therefore, it is recommended that a monitoring policy be established to report user dot file permissions and determine the action to be taken in accordance with site po ... oval:org.secpod.oval:def:48241 The kernel runtime parameter "net.ipv6.conf.default.accept_redirects" should be set to "0". oval:org.secpod.oval:def:48444 The kernel runtime parameter "kernel.randomize_va_space" should be set to "2". oval:org.secpod.oval:def:72935 Ensure rpcbind is not installed or the rpcbind services are masked oval:org.secpod.oval:def:48468 The kernel runtime parameter "net.ipv4.conf.all.secure_redirects" should be set to "0". oval:org.secpod.oval:def:48265 max_log_file_action setting in /etc/audit/auditd.conf is set to a certain action oval:org.secpod.oval:def:72884 Since the /var/tmp filesystem is only intended for temporary file storage, set this option to ensure that users cannot run executable binaries from /tmp oval:org.secpod.oval:def:48278 Record Events that Modify the System's Discretionary Access Controls - chmod. The changing of file permissions and attributes should be audited. oval:org.secpod.oval:def:48529 The password hashing algorithm should be set correctly in /etc/login.defs. oval:org.secpod.oval:def:48454 The number of allowed failed logins should be set correctly. oval:org.secpod.oval:def:48331 Disable Prelinking (/etc/sysconfig/prelink) should be configured appropriately. oval:org.secpod.oval:def:72918 Ensure root is the only UID 0 account oval:org.secpod.oval:def:72902 Setting the permissions to read and write for root only prevents non-root users from seeing the boot parameters or changing them. Non-root users who read the boot parameters may be able to identify weaknesses in security upon boot and be able to exploit them. oval:org.secpod.oval:def:72875 The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files as they may be incompatible. Executing files from untrusted file systems increases the opportunity for unprivileged users to attain unau ... oval:org.secpod.oval:def:48415 The RPM package dovecot should be removed. oval:org.secpod.oval:def:48363 Require the use of TLS for ldap clients. oval:org.secpod.oval:def:72885 The /home directory is used to support disk storage needs of local users. oval:org.secpod.oval:def:48438 The RPM package talk should be installed. oval:org.secpod.oval:def:48498 SSH's cryptographic host-based authentication is more secure than .rhosts authentication. However, it is not recommended that hosts unilaterally trust one another, even within an organization. oval:org.secpod.oval:def:48381 The RPM package bind should be removed. oval:org.secpod.oval:def:48476 The kernel runtime parameter "net.ipv4.conf.all.rp_filter" should be set to "1". oval:org.secpod.oval:def:72907 While the complete removal of /etc/sshd/sshd_config files is recommended if any are required on the system secure permissions must be applied. oval:org.secpod.oval:def:48429 Ensure Default Password Is Not Used (/etc/snmp/snmpd.conf) should be configured appropriately. oval:org.secpod.oval:def:48509 The password ucredit should meet minimum requirements using pam_cracklib oval:org.secpod.oval:def:48374 Specify UID and GID for Anonymous NFS Connections (/etc/exports) should be configured appropriately. oval:org.secpod.oval:def:48299 The RPM package xinetd should be removed. oval:org.secpod.oval:def:48396 The kernel module freevxfs should be disabled. oval:org.secpod.oval:def:72903 It is important to ensure that log files have the correct permissions to ensure that sensitive data is archived and protected. Other/world should not have the ability to view this information. Group should not have the ability to modify this information. oval:org.secpod.oval:def:48257 The rsyslog to Accept Messages via UDP, if Acting As Log Server should be enabled or disabled as appropriate. oval:org.secpod.oval:def:72945 Ensure use of privileged commands is collected oval:org.secpod.oval:def:48431 The RPM package setroubleshoot should be installed. oval:org.secpod.oval:def:48297 Force a reboot to change audit rules is enabled oval:org.secpod.oval:def:72896 The /etc/crontab file is used by cron to control its own jobs. The commands in this item make sure that root is the user and group owner of the file and that only the owner can access the file. oval:org.secpod.oval:def:72916 Ensure root is the only UID 0 account oval:org.secpod.oval:def:48360 Postfix network listening should be disabled oval:org.secpod.oval:def:48471 The kernel runtime parameter "net.ipv4.conf.default.accept_redirects" should be set to "0". oval:org.secpod.oval:def:72931 Ensure firewalld service is enabled and running oval:org.secpod.oval:def:48275 The network environment should not be modified by anything other than administrator action. Any change to network parameters should be audited. oval:org.secpod.oval:def:48503 The passwords to remember should be set correctly. oval:org.secpod.oval:def:72888 There are two important reasons to ensure that data gathered by is stored on a separate partition: protection against resource exhaustion (since the audit.log file can grow quite large) and protection of audit data. The audit daemon calculates how much free space is left and performs actions based ... oval:org.secpod.oval:def:48464 The kernel runtime parameter "net.ipv4.conf.all.send_redirects" should be set to "0". oval:org.secpod.oval:def:48488 The RPM package aide should be installed. oval:org.secpod.oval:def:48453 Set Password to Maximum of Three Consecutive Repeating Characters should be configured appropriately. oval:org.secpod.oval:def:48514 Emulation of the rsh command through the ssh server should be disabled (and dependencies are met) oval:org.secpod.oval:def:72893 The contents of the /etc/issue.net file are displayed to users prior to login for remote connections from configured services. oval:org.secpod.oval:def:48456 The default umask for users of the csh shell oval:org.secpod.oval:def:48487 Verify that Shared Library Files Have Root Ownership (/lib, /lib64, /usr/lib or /usr/lib64) should be configured appropriately. oval:org.secpod.oval:def:48527 File permissions for /bin, /usr/bin, /usr/local/bin, /sbin, /usr/sbin and /usr/local/sbin should be set correctly. oval:org.secpod.oval:def:48507 Verify that Shared Library Files Have Restrictive Permissions (/lib, /lib64, /usr/lib or /usr/lib64) should be configured appropriately. oval:org.secpod.oval:def:48483 The SSH idle timeout interval should be set to an appropriate value. oval:org.secpod.oval:def:74454 Configure the loopback interface to accept traffic. Configure all other interfaces to deny traffic to the loopback network (127.0.0.0/8).Loopback traffic is generated between processes on machine and is typically critical to operation of the system. The loopback interface is the only place that loop ... oval:org.secpod.oval:def:74461 Change the default policy to DROP (from ACCEPT) for the OUTPUT built-in chain (/etc/sysconfig/iptables). oval:org.secpod.oval:def:74475 The use of wireless networking can introduce many different attack vectors into the organization's network. Common attack vectors such as malicious association and ad hoc networks will allow an attacker to spoof a wireless access point (AP), allowing validated systems to connect to the malicious AP ... oval:org.secpod.oval:def:74482 Change the default policy to DROP (from ACCEPT) for the OUTPUT built-in chain (/etc/sysconfig/ip6tables). oval:org.secpod.oval:def:74468 Monitor login and logout events. The parameters below track changes to files associated with login/logout events. The file /var/log/faillog tracks failed events from login. The file /var/log/lastlog maintain records of the last time a user successfully logged in. The /var/run/failock directory maint ... oval:org.secpod.oval:def:74433 Change the default policy to DROP (from ACCEPT) for the FORWARD built-in chain (/etc/sysconfig/ip6tables). oval:org.secpod.oval:def:74440 Configure the loopback interface to accept traffic. Configure all other interfaces to deny traffic to the loopback network (::1).Loopback traffic is generated between processes on machine and is typically critical to operation of the system. The loopback interface is the only place that loopback net ... oval:org.secpod.oval:def:72938 Ensure ntp is configured oval:org.secpod.oval:def:48511 The minimum password age policy should be set appropriately. oval:org.secpod.oval:def:48449 Preventing direct root login to virtual console devices helps ensure accountability for actions taken on the system using the root account. oval:org.secpod.oval:def:48482 The password warning age should be set appropriately. oval:org.secpod.oval:def:48430 The maximum password age policy should meet minimum requirements. oval:org.secpod.oval:def:48258 The logrotate (syslog rotater) service should be enabled. oval:org.secpod.oval:def:72871 chrony is a daemon which implements the Network Time Protocol (NTP) is designed to synchronize system clocks across a variety of systems and use a source that is highly accurate. More information on chrony can be found at http://chrony.tuxfamily.org/. chrony can be configured to be a client and/or a ... oval:org.secpod.oval:def:72867 Configure /etc/cron.allow and /etc/at.allow to allow specific users to use these services. If /etc/cron.allow or /etc/at.allow do not exist, then /etc/at.deny and /etc/cron.deny are checked. Any user not specifically defined in those files is allowed to use at and cron. By removing the files, only u ... oval:org.secpod.oval:def:72869 Configure grub or lilo so that processes that are capable of being audited can be audited even if they start up prior to auditd startup.Audit events need to be captured on processes that start up prior to auditd, so that potential malicious activity cannot go undetected. |