Is it possibl to send sslv2 hello messages from a client using java socket

Question

Is it possible to send sslv2 hello messages?? When I try initiating ssl handshake with a remote server, the default version is TLS. I need to test if the serve accepts sslv2, therefore, I need to force my Java program to send sslv2 hello message. Is this possible? How? Please note that I need to this for testing only. I am not doing a real Java application.

possible duplicate of [How to initiate ssl connection using SSLv2](http://stackoverflow.com/questions/12773692/how-to-initiate-ssl-connection-using-sslv2) — Bruno, Nov 04 '12 at 14:18

score 2 · Answer 1 · answered Nov 04 '12 at 07:27

Sun/Oracle Java has never supported SSLv2. It did support the SSLv2ClientHello message, for compatibility purposes, to negotiate SSLv3 or higher, but that was withdrawn in I think 1.7. IBM Java used to support SSLv2 but I can't speak for current versions.

score 1 · Answer 2 · edited Feb 28 '13 at 16:42

SSLV2 is not supported, if you need to force SSLv2Hello messages you can set a system property :

System.setProperty("https.protocols", "SSLv3,SSLv2Hello");

Or you can manage your sockets directly :

SSLContext context = SSLContext.getInstance("TLSv1");
SSLSocketFactory sslsocketfactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
SSLSocket sock = (SSLSocket) sslsocketfactory.createSocket("hostserver", 443);
String[] protocols = {"SSLv2Hello", "SSLv3", "TLSv1"};

Is it possibl to send sslv2 hello messages from a client using java socket

2 Answers2