master-server/deps/curl/docs/cmdline-opts/false-start.md
2024-05-15 15:20:32 -04:00

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---
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
Long: false-start
Help: Enable TLS False Start
Protocols: TLS
Added: 7.42.0
Category: tls
Multi: boolean
See-also:
- tcp-fastopen
Example:
- --false-start $URL
---
# `--false-start`
Use false start during the TLS handshake. False start is a mode where a TLS
client starts sending application data before verifying the server's Finished
message, thus saving a round trip when performing a full handshake.
This functionality is currently only implemented in the Secure Transport (on
iOS 7.0 or later, or OS X 10.9 or later) backend.