xref: /curl/docs/cmdline-opts/tcp-fastopen.md (revision 2494b8dd)
1---
2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
3SPDX-License-Identifier: curl
4Long: tcp-fastopen
5Added: 7.49.0
6Help: Use TCP Fast Open
7Category: connection
8Multi: boolean
9See-also:
10  - false-start
11Example:
12  - --tcp-fastopen $URL
13---
14
15# `--tcp-fastopen`
16
17Enable use of TCP Fast Open (RFC 7413). TCP Fast Open is a TCP extension that
18allows data to get sent earlier over the connection (before the final
19handshake ACK) if the client and server have been connected previously.
20