Conserver through a proxy server?

  I find myself in a situation where I must access a restricted network via a proxy server.

 
Conserver here is a "normal" setup... many local (in-building) console
servers, and a few remote console servers via the WAN, all using RAW
connections to the console server ports.

  The new twist is that we need to manage ports on a secured
network. Using a VPN is not an option offered to us. The Conserver host
has a Production interface, and a backup net interface. The host does
not have a free card slot for an additional Ethernet interface. (It
would be politically difficult to put secondary addressing on the
Production net, and it would be a security risk to overlay a new
network on the Backup network...)

  It looks like I might be able to use IPTables to do this (point to a proxy for a specific subnet), then I need to see if I
can get ports on the proxy to bounce me to the console ports. Has
anyone done it this way? How did that work out for you?

    Thanks in advance for your replies, and best regards,

          -Z-

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