master-server/deps/curl/docs/cmdline-opts/sslv2.md

c	SPDX-License-Identifier	Short	Long	Tags	Protocols	Added	Mutexed	Requires	Help	Category	Multi	See-also	Example
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.	curl	2	sslv2	Versions	SSL	5.9	sslv3 tlsv1 tlsv1.1 tlsv1.2	TLS	SSLv2	tls	mutex	http1.1 http2	--sslv2 $URL

--sslv2

This option previously asked curl to use SSLv2, but is now ignored (added in 7.77.0). SSLv2 is widely considered insecure (see RFC 6176).