Investigate using of TLSv1_method instead of SSLv23_method
tortls.c
#if 0
/* Tell OpenSSL to only use TLS1. This may have subtly different results
* from SSLv23_method() with SSLv2 and SSLv3 disabled, so we need to do some
* investigation before we consider adjusting it. It should be compatible
* with existing Tors. */
if (!(result->ctx = SSL_CTX_new(TLSv1_method())))
goto error;
#endif
s23_*.c files of OpenSSL code doesn't seems like many eyes will looking at.