call ssl:connect/3 with connect_timeout param

    Conn_timeout = get_value(connect_timeout, Options, Timeout),
    case do_connect(Host_1, Port_1, Options, State_2, Conn_timeout) of

src/ibrowse_http_client.erl

@@ -575,7 +575,7 @@ do_connect(Host, Port, Options, #state{is_ssl      = true,
     end,
     case Conn of
       {ok, Sock} ->
-        ssl:connect(Sock, SSLOptions);
+        ssl:connect(Sock, SSLOptions, Timeout);
       _ ->
         error
     end;