xref: /aosp_15_r20/external/curl/docs/cmdline-opts/false-start.md (revision 6236dae45794135f37c4eb022389c904c8b0090d)
1*6236dae4SAndroid Build Coastguard Worker---
2*6236dae4SAndroid Build Coastguard Workerc: Copyright (C) Daniel Stenberg, <[email protected]>, et al.
3*6236dae4SAndroid Build Coastguard WorkerSPDX-License-Identifier: curl
4*6236dae4SAndroid Build Coastguard WorkerLong: false-start
5*6236dae4SAndroid Build Coastguard WorkerHelp: Enable TLS False Start
6*6236dae4SAndroid Build Coastguard WorkerProtocols: TLS
7*6236dae4SAndroid Build Coastguard WorkerAdded: 7.42.0
8*6236dae4SAndroid Build Coastguard WorkerCategory: tls
9*6236dae4SAndroid Build Coastguard WorkerMulti: boolean
10*6236dae4SAndroid Build Coastguard WorkerSee-also:
11*6236dae4SAndroid Build Coastguard Worker  - tcp-fastopen
12*6236dae4SAndroid Build Coastguard WorkerExample:
13*6236dae4SAndroid Build Coastguard Worker  - --false-start $URL
14*6236dae4SAndroid Build Coastguard Worker---
15*6236dae4SAndroid Build Coastguard Worker
16*6236dae4SAndroid Build Coastguard Worker# `--false-start`
17*6236dae4SAndroid Build Coastguard Worker
18*6236dae4SAndroid Build Coastguard WorkerUse false start during the TLS handshake. False start is a mode where a TLS
19*6236dae4SAndroid Build Coastguard Workerclient starts sending application data before verifying the server's Finished
20*6236dae4SAndroid Build Coastguard Workermessage, thus saving a round trip when performing a full handshake.
21*6236dae4SAndroid Build Coastguard Worker
22*6236dae4SAndroid Build Coastguard WorkerThis functionality is currently only implemented in the Secure Transport (on
23*6236dae4SAndroid Build Coastguard WorkeriOS 7.0 or later, or macOS 10.9 or later) backend.
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