11 lines
552 B
Plaintext
11 lines
552 B
Plaintext
Kernel module providing system-wide TCP socket statistics via /dev/tcpstats.
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The tcpstats module creates a read-only character device that streams
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fixed-size 320-byte records containing per-connection TCP metrics including
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addresses, ports, TCP state, congestion control parameters (cwnd, ssthresh),
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RTT measurements, retransmit counts, ECN statistics, and process attribution.
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Features include in-kernel filtering by port, TCP state, IP version, and CIDR
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address ranges, with DoS protection via tunable concurrent reader and file
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descriptor limits.
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