CIS Red Hat Enterprise Linux 7 Benchmark - …

1 CIS Red Hat Enterprise Linux 7 Benchmark - 01-31-2017 1 | P a g e This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike International Public License. The link to the license terms can be found at To further clarify the Creative Commons license related to CIS Benchmark content, you are authorized to copy and redistribute the content for use by you, within your organization and outside your organization for non-commercial purposes only, provided that (i) appropriate credit is given to CIS, (ii) a link to the license is provided. Additionally, if you remix, transform or build upon the CIS Benchmark (s), you may only distribute the modified materials if they are subject to the same license terms as the original Benchmark license and your derivative will no longer be a CIS Benchmark .

2 Commercial use of CIS Benchmarks is subject to the prior approval of the Center for Internet Security. 2 | P a g e Table of Contents Overview .. 12 Intended Audience .. 12 Consensus Guidance .. 12 Typographical Conventions .. 14 Scoring Information .. 14 Profile Definitions .. 15 Acknowledgements .. 17 Recommendations .. 18 1 Initial Setup .. 18 Filesystem Configuration .. 18 Ensure mounting of cramfs filesystems is disabled (Scored) .. 19 Ensure mounting of freevxfs filesystems is disabled (Scored).. 21 Ensure mounting of jffs2 filesystems is disabled (Scored) .. 22 Ensure mounting of hfs filesystems is disabled (Scored) .. 23 Ensure mounting of hfsplus filesystems is disabled (Scored) .. 24 Ensure mounting of squashfs filesystems is disabled (Scored).

3 25 Ensure mounting of udf filesystems is disabled (Scored) .. 26 Ensure mounting of FAT filesystems is disabled (Scored) .. 27 Ensure separate partition exists for /tmp (Scored) .. 28 Ensure nodev option set on /tmp partition (Scored) .. 30 Ensure nosuid option set on /tmp partition (Scored) .. 31 Ensure noexec option set on /tmp partition (Scored) .. 32 Ensure separate partition exists for /var (Scored) .. 33 Ensure separate partition exists for /var/tmp (Scored) .. 34 Ensure nodev option set on /var/tmp partition (Scored) .. 36 Ensure nosuid option set on /var/tmp partition (Scored) .. 37 Ensure noexec option set on /var/tmp partition (Scored) .. 38 3 | P a g e Ensure separate partition exists for /var/log (Scored).

4 39 Ensure separate partition exists for /var/log/audit (Scored) .. 41 Ensure separate partition exists for /home (Scored) .. 43 Ensure nodev option set on /home partition (Scored) .. 44 Ensure nodev option set on /dev/shm partition (Scored) .. 45 Ensure nosuid option set on /dev/shm partition (Scored) .. 46 Ensure noexec option set on /dev/shm partition (Scored) .. 47 Ensure nodev option set on removable media partitions (Not Scored) .. 48 Ensure nosuid option set on removable media partitions (Not Scored) .. 49 Ensure noexec option set on removable media partitions (Not Scored) .. 50 Ensure sticky bit is set on all world-writable directories (Scored) .. 51 Disable Automounting (Scored) .. 52 Configure Software Updates.

5 54 Ensure package manager repositories are configured (Not Scored) .. 54 Ensure gpgcheck is globally activated (Scored) .. 56 Ensure GPG keys are configured (Not Scored) .. 57 Ensure Red Hat Network or Subscription Manager connection is configured (Not Scored) .. 58 Disable the rhnsd Daemon (Not Scored) .. 59 Filesystem Integrity Checking .. 60 Ensure AIDE is installed (Scored) .. 60 Ensure filesystem integrity is regularly checked (Scored) .. 62 Secure Boot Settings .. 64 Ensure permissions on bootloader config are configured (Scored) .. 64 Ensure bootloader password is set (Scored) .. 66 Ensure authentication required for single user mode (Not Scored) .. 68 Additional Process Hardening .. 69 Ensure core dumps are restricted (Scored).

6 69 Ensure XD/NX support is enabled (Not Scored) .. 71 Ensure address space layout randomization (ASLR) is enabled (Scored) .. 73 Ensure prelink is disabled (Scored) .. 74 4 | P a g e Mandatory Access Control .. 75 Ensure SELinux is not disabled in bootloader configuration (Scored) .. 77 Ensure the SELinux state is enforcing (Scored) .. 79 Ensure SELinux policy is configured (Scored) .. 80 Ensure SETroubleshoot is not installed (Scored) .. 81 Ensure the MCS Translation Service (mcstrans) is not installed (Scored) .. 82 Ensure no unconfined daemons exist (Scored) .. 83 Ensure SELinux is installed (Scored) .. 84 Warning 84 Ensure message of the day is configured properly (Scored) .. 86 Ensure local login warning banner is configured properly (Not Scored).

7 88 Ensure remote login warning banner is configured properly (Not Scored) .. 90 Ensure permissions on /etc/motd are configured (Not Scored) .. 92 Ensure permissions on /etc/issue are configured (Scored) .. 93 Ensure permissions on / are configured (Not Scored) .. 94 Ensure GDM login banner is configured (Scored) .. 95 Ensure updates, patches, and additional security software are installed (Not Scored) .. 97 2 Services .. 98 inetd Services .. 99 Ensure chargen services are not enabled (Scored) .. 99 Ensure daytime services are not enabled (Scored) .. 100 Ensure discard services are not enabled (Scored) .. 101 Ensure echo services are not enabled (Scored) .. 102 Ensure time services are not enabled (Scored) .. 103 Ensure tftp server is not enabled (Scored).

8 104 Ensure xinetd is not enabled (Scored) .. 105 Special Purpose Services .. 105 Ensure time synchronization is in use (Not Scored) .. 106 Ensure ntp is configured (Scored) .. 108 Ensure chrony is configured (Scored) .. 110 5 | P a g e Ensure X Window System is not installed (Scored) .. 112 Ensure Avahi Server is not enabled (Scored) .. 113 Ensure CUPS is not enabled (Scored) .. 114 Ensure DHCP Server is not enabled (Scored) .. 116 Ensure LDAP server is not enabled (Scored) .. 117 Ensure NFS and RPC are not enabled (Scored) .. 118 Ensure DNS Server is not enabled (Scored) .. 119 Ensure FTP Server is not enabled (Scored) .. 120 Ensure HTTP server is not enabled (Scored) .. 121 Ensure IMAP and POP3 server is not enabled (Scored).

9 122 Ensure Samba is not enabled (Scored) .. 123 Ensure HTTP Proxy Server is not enabled (Scored) .. 124 Ensure SNMP Server is not enabled (Scored) .. 125 Ensure mail transfer agent is configured for local-only mode (Scored).. 126 Ensure NIS Server is not enabled (Scored) .. 128 Ensure rsh server is not enabled (Scored) .. 129 Ensure talk server is not enabled (Scored) .. 130 Ensure telnet server is not enabled (Scored) .. 131 Ensure tftp server is not enabled (Scored) .. 132 Ensure rsync service is not enabled (Scored) .. 133 Service Clients .. 134 Ensure NIS Client is not installed (Scored) .. 134 Ensure rsh client is not installed (Scored) .. 136 Ensure talk client is not installed (Scored) .. 138 Ensure telnet client is not installed (Scored).

10 139 Ensure LDAP client is not installed (Scored) .. 141 3 Network Configuration .. 141 Network Parameters (Host Only) .. 142 Ensure IP forwarding is disabled (Scored) .. 142 Ensure packet redirect sending is disabled (Scored) .. 144 6 | P a g e Network Parameters (Host and Router) .. 146 Ensure source routed packets are not accepted (Scored) .. 146 Ensure ICMP redirects are not accepted (Scored) .. 148 Ensure secure ICMP redirects are not accepted (Scored) .. 150 Ensure suspicious packets are logged (Scored) .. 152 Ensure broadcast ICMP requests are ignored (Scored) .. 153 Ensure bogus ICMP responses are ignored (Scored) .. 155 Ensure Reverse Path Filtering is enabled (Scored) .. 156 Ensure TCP SYN Cookies is enabled (Scored).