Ronneil Camara wrote:

> Is there a way we can challenge an outside user before he can gain telnet
> access to the real unix box without having to do telnet twice?
>
> Parang ganito ang setup:
> Outside user will be telneting to the target linux but he'll be questioned
> first by the linux firewall.
>
>         target linux<-----linux firewall<---------INTERNET<--------outside
> user
>         server
>

NAPT - network address and port translation

fooler.


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