CIS Ubuntu 14.04 LTS - 2.1.5 Ensure time services are not enabled
Verify that time inetd services are disabled to reduce attack surface
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Verify that time inetd services are disabled to reduce attack surface
Verify that rsh, rlogin, and rexec inetd services are disabled
Verify that talk inetd services are disabled to reduce attack surface
Verify that telnet inetd service is disabled to prevent cleartext credential exposure
Verify that tftp inetd service is disabled to prevent unauthenticated file transfers
Verify that NTP is properly configured with restrict options and running as ntp user
Verify that chrony is properly configured with remote time server
Verify that Apache HTTP server is disabled when not required
Verify that dovecot IMAP/POP3 server is disabled when not required
Verify that Samba SMB file sharing service is disabled when not required