Книга: Iptables Tutorial 1.2.2

SCTP HEARTBEAT ACK chunk

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SCTP HEARTBEAT ACK chunk


The HEARTBEAT ACK is used to acknowledge that a HEARTBEAT was received and that the connection is working properly. The chunk is always sent to the same IP address as the request was sent from.

Type - bit 0-7. Always set to 5 for HEARTBEAT ACK chunks.

Chunk flags - bit 8-15. Not used today. Might be applicable for change. See SCTP Common and generic headers for more information.

Chunk length - bit 16-31. The length of the HEARTBEAT ACK chunk including the Heartbeat Information TLV, calculated in bytes.

Heartbeat Information TLV - bit 32-n. This field must contain the Heartbeat Information parameter that was sent in the original HEARTBEAT chunk.

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