curl/docs/cmdline-opts/ciphers.md

c	SPDX-License-Identifier	Long	Arg	Help	Protocols	Category	Added	Multi	See-also	Example
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.	curl	ciphers	<list of ciphers>	SSL ciphers to use	TLS	tls	7.9	single	tlsv1.3 tls13-ciphers proxy-ciphers	--ciphers ECDHE-ECDSA-AES256-CCM8 $URL

--ciphers

Specifies which ciphers to use in the connection. The list of ciphers must specify valid ciphers. Read up on SSL cipher list details on this URL:

https://curl.se/docs/ssl-ciphers.html