Implement custom network protocol for local processes

John Mahoney jmahoney at
Mon Jan 17 16:43:45 EST 2011

On Mon, Jan 17, 2011 at 4:24 PM, Kfir Lavi <lavi.kfir at> wrote:
> Hi,
> How can one implement custom header network protocol.
> I mean header that wraps regular network packets like ethernet, udp, tcp,
> etc...
> The sending of this custom packets is done between processes running
> locally.
> ie. I get a Ethernet packet, inspect it, then add my custom header and
> forward
> it to another process that listens to a socket, and expect to get data
> wrapped with
> this custom header.
> What is a good way to go about and implement this thing?

Have you looked at the tun/tap drivers?

Also, try asking this question on a network specific list.


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