From: Robert Klemme <bob.news@...>
Date: 2005-09-19T18:06:37+09:00
Subject: Re: [nuby] tcpip proxy in ruby

Botp wrote:
> All:
>
> Anyone written a tcpip proxy in ruby?
>
> Write a program which will be a simple intermediate server_1, the
> server_1 will listen to a specific (ordering line) port, after
> connection from the client, the server_1 itself is connecting to
> another specific server_2 and the server_1 is transmitting data on
> both side (server_2 and client).
>
> On our case, server_2 may also serve as the internet.
>
> Our scenario looks like this:
>
> client------>server_1------->(server_2 or internet)
>
> the link bw client and server_1 is a private leased line over wan.
> Client has no connection to the internet; only server_1 has. Client
> needs full access to the internet however (so http proxies like squid
> will not suffice).

Hm, I don't actually see the point in first restricting client's access to
the internet and then enabling it again via a general proxy on server_1.
Firewalls usually do this with NAT for example.  So why cook your own in
Ruby?  Sounds like if you want to introduce a security hole, which the
folks responsible for the internet access are not going to like.

Regards

    robert