The implementation of port mapping can be divided into pure software and a combination of software and hardware. There are many software options that implement port mapping functions in a purely software-based manner. As for the method combining software and hardware, it is mainly found in various routers (which provide gateway routing functions).
This article is sourced from How - Simplify Your Life | www.hooow.cn Original link: http://www.hooow.cn/diannao/0702ruheshezhiduankouyingshe_601.html