--- a/configure.ac
+++ b/configure.ac
@@ -240,7 +240,7 @@ if test "$SSL" = "yes"; then
   AC_CHECKING([ for SSL Library and Header files ... ])
   AC_SEARCH_HEADERS(rsa.h crypto.h x509.h pem.h ssl.h err.h,
     $SSL_HDR_DIR /usr/include/ssl /usr/include/openssl /usr/include,
-    [  AC_CHECK_LIB(crypto, CRYPTO_lock, [LIBS="$LIBS -lcrypto"],
+    [  AC_CHECK_LIB(crypto, X509_new, [LIBS="$LIBS -lcrypto"],
         AC_MSG_ERROR([ Required for SSL Crypto Library not found. ])
       )
        AC_CHECK_LIB(ssl, SSL_CTX_new,
--- a/src/client/netclient.cpp
+++ b/src/client/netclient.cpp
@@ -43,7 +43,11 @@ CNetClient::CNetClient(bool bMustLogin, bool bUseSSL):CNet()
     {
       showDebug(3, "initializing client ssl\n");
       SSLeay_add_ssl_algorithms();
-      meth = SSLv2_client_method();
+#if OPENSSL_VERSION_NUMBER < 0x10100000
+      meth = TLSv1_client_method();
+#else
+      meth = TLS_client_method();
+#endif
       SSL_load_error_strings();
       ctx = SSL_CTX_new(meth);
       if (!ctx)
--- a/src/server/netserver.cpp
+++ b/src/server/netserver.cpp
@@ -39,7 +39,11 @@ CNetServer::CNetServer(unsigned short int port):CNet()
     {
       SSL_load_error_strings();
       SSLeay_add_ssl_algorithms();
-      meth = SSLv23_server_method();
+#if OPENSSL_VERSION_NUMBER < 0x10100000
+      meth = TLSv1_server_method();
+#else
+      meth = TLS_server_method();
+#endif
       ctx = SSL_CTX_new(meth);
       if (!ctx)
         {