This page contains lower level TCP Network Stack specific configuration items.

The Send RSTs boolean is used to turn on/off sending of TCP RST messages.

The Ack Limit specifies how many packets must be received before an ACK is forced. If there is a large amount of data to acknowledge, an ACK will be forced before this.

If the sender TCP implementation waits for an ACK before sending more data even though the window is open, setting Ack Limit to "1" packet will improve performance by forcing immediate acknowledgements.

The Send Data selection governs when data may be sent into the network. The Standard implementation waits for an ACK before sending a packet less than the maximum length. Select Expedited to send data whenever the window allows it.

Max Retrans specifies the maximum number of retransmissions of a packet that will be attempted before failing.

Max Retrans Syn/Ack specifies the maximum number of retransmissions of a SYN that will be attempted before failing. It is lower than "Max Retrans" to thwart denial-of-service attacks.

Max Timeout specifies the maximum time between retransmissions.