Details

Unless a system is specifically set up to act as a DHCP server, it is recommended that this service be deleted to reduce the potential attack surface.

Solution

Run one of the following commands to disable dhcpd:
# chkconfig dhcpd off
# systemctl disable dhcpd
# update-rc.d dhcpd disable

Supportive Information

The following resource is also helpful.

• https://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623.htmlhttps://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623.html

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-7
• CSCv6|9.1

Source

• Tenable.com/audits