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3.4.2 Ensure SCTP is disabled

Warning! Audit Deprecated

This audit has been deprecated and will be removed in a future update.

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Information

The Stream Control Transmission Protocol (SCTP) is a transport layer protocol used to support message oriented communication, with several streams of messages in one connection. It serves a similar function as TCP and UDP, incorporating features of both. It is message-oriented like UDP, and ensures reliable in-sequence transport of messages with congestion control like TCP.

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.

Solution

Edit or create a file in the /etc/modprobe.d/ directory ending in .conf

Example: vim /etc/modprobe.d/sctp.conf

Add the following line:

install sctp /bin/true

See Also

https://workbench.cisecurity.org/benchmarks/8415

Item Details

References: CSCv7|9.2

Plugin: Unix

Control ID: 392645f6354f41de6ba6348dd603027c944ad1543e2d046bd89af0b274cd8cbd