diff -up openssl-1.0.1h/ssl/ssl_lib.c.v2v3 openssl-1.0.1h/ssl/ssl_lib.c --- openssl-1.0.1h/ssl/ssl_lib.c.v2v3 2014-06-11 16:02:52.000000000 +0200 +++ openssl-1.0.1h/ssl/ssl_lib.c 2014-06-30 14:18:04.290248080 +0200 @@ -1875,6 +1875,9 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *m */ ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; + /* Disable SSLv2 by default (affects the SSLv23_method() only) */ + ret->options |= SSL_OP_NO_SSLv2; + return(ret); err: SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);