When you say "http", you are reflecting an amateur experience; because no body is safe or hiding in http communications. Consider using the SOCKS METHOD. HOW? Use UFA Sockschain Software(It gives 100 proxies from which less than ten of them are working). Second, use a socks scanner(Roka GPN). Third, put any working proxy into the socks field. You can also use these proxies in the form of chainhng for more anonymity. How? Read more!