cyberstrikeus 3.5.3 Ensure RDS is disabled (Not Scored)
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
The Reliable Datagram Sockets (RDS) protocol is a transport layer protocol designed to provide low-latency, high-bandwidth communications between cluster nodes. It was developed by the Oracle Corporation.
Rationale
If the protocol is not being used, it is recommended that kernel module not be loaded, disabling the service to reduce the potential attack surface.
Audit Procedure
Run the following commands and verify the output is as indicated:
modprobe -n -v rds
# Expected: install /bin/true
lsmod | grep rds
# Expected: <No output>
Expected Result
install /bin/true
And no output from lsmod | grep rds.
Remediation
Edit or create the file /etc/modprobe.d/CIS.conf and add the following line:
install rds /bin/true
Default Value
Not disabled by default.
References
- CIS Controls: 9.1 - Limit Open Ports, Protocols, and Services
Profile
- Level 1 - Server
- Level 1 - Workstation