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XCCDF
Guide to the Secure Configuration of Alibaba Cloud Linux 3
System Settings
Network Configuration and Firewalls
Uncommon Network Protocols
Disable DCCP Support
Disable DCCP Support
An XCCDF Rule
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Disable DCCP Support
Medium Severity
The Datagram Congestion Control Protocol (DCCP) is a relatively new transport layer protocol, designed to support streaming media and telephony. To configure the system to prevent the
dccp
kernel module from being loaded, add the following line to the file
/etc/modprobe.d/dccp.conf
:
install dccp /bin/true