Re: Transparent SOCKS proxy (server side)?

2009/1/6 Mel <fbsd.questions@xxxxxxxxxxxxxxxxxxxx>:
On Tuesday 06 January 2009 10:07:17 David Naylor wrote:
2009/1/6 Mel <fbsd.questions@xxxxxxxxxxxxxxxxxxxx>:
On Tuesday 06 January 2009 05:49:22 David Naylor wrote:
Hi,

My ISP's NAT, unfortunately, does not work more than it does. This is a
problem as I need to provide 'direct' internet access for the computers
inside my network.

I would like to set up a transparent SOCKS proxy (similar to transparent
HTTP proxy, aka squid) on the server. Does anyone know how to do this
(and which ports to use)? This needs to be a server side solution since
I am unable to implement this on the clients...

http://www.freshports.org/net/dante/

As far as I know dante can only be made "transparent" with the use of
client side software (such as the libsocks.so libraries under *nix) and not
from the server side (i.e. tunneling the traffic through a SOCKS proxy).
The way I think of
it is similar to NAT (in the capturing of traffic)?

Or am I missing something?

In pf terms: rdr traffic, or use something like this:
http://bayxao.wordpress.com/2007/03/18/transparent-socks-proxy-client/

The above link only talks about client side solutions. I could see how rdr
(which I understand to be the same as NAT?) could work, except it needs
to be redirected to a program that then routes the traffic through the socks
server? I have not been able to find such a program (and the above socks
clients only act as a wrapper for other programs?).

Perhaps a simple program that gets the redirected incoming traffic [like
squid does] but then just connects to the destination server (with a socks
wrapper doing the routing through the socks server)??? Or just a socks
based solution?

David
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