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XCCDF
Guide to the Secure Configuration of Ubuntu 22.04
System Settings
Network Configuration and Firewalls
Kernel Parameters Which Affect Networking
Network Related Kernel Runtime Parameters for Hosts and Routers
net.ipv4.tcp_invalid_ratelimit
net.ipv4.tcp_invalid_ratelimit
An XCCDF Value
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net.ipv4.tcp_invalid_ratelimit
Configure the maximal rate for sending duplicate acknowledgments in response to incoming invalid TCP packets.