- <varlistentry>
- <term><varname>FastOpen=</varname></term>
- <listitem><para>Takes a boolean
- argument. It works by using a TFO cookie (a TCP option) in the initial
- SYN packet to authenticate a previously connected client. If successful,
- it may start sending data to the client before the receipt of the final
- ACK packet of the three way handshake is received, skipping a round trip
- and lowering the latency in the start of transmission of data.
- This controls the TCP_FASTOPEN socket option (see
- the <ulink url="http://lwn.net/Articles/508865/">TCP
- Fast Open: expediting web services</ulink> for details.)
- Defaults to
- <option>false</option>.</para></listitem>
- </varlistentry>
-