Hi Everyone,
I am attempting to write a small application that acts as a small
router. The idea is to:
1) Connect to a device server using TCP/IP protocol as a client
- Collected text data from the device server (this is simple to
achieve)
2) This data is then distributed in two ways
a. "Server mode": Serve / provide the data on a port which other
clients can connect to, thinking it is the device server in (1) -
logically I do think this is possible anyway since the client needs to
connect to this application so the origin of the data is lost?
b. "Client mode": Send the data received in (1) to remote TCP
Servers which accepts the data, again thinking it comes from (1) above -
normal port forwarding methodology
The issue I have is that I want to preserve the IP address of the device
server in (1) above, so that servers and clients on (2) think the data
is indeed coming from (1), and not from this routing application.
Any ideas on how the above can be achieved through synapse is
appreciated. I guess this would have been easier if the device server in
(1) actually sent the data and I do not have to establish a connection
to the device server - this would have allowed some interesting port
forwarding to be put in place, hence my attempt to 'spoof' the IP packet
headers.
BTW: I have had a look at some unix port forward using standard IP
tables, and all though this can help, the problem exists that the data
is forwarded based on incoming data packets and I am yet to figure out
how incoming packets can be forwarded to two separate host IP addresses,
and also in my scenario I have a client (1) that need to connect to a
port and collect data.
Many thanks and keep well!
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