IPv6

Case:

Old Ip4 web-server port 80, want to map a (secondary) IPv6 address from the LAN interface of the M0n0wall to the old server...

The result should be that everyone using IPv6 only could connect from the Internet to the old web-server by using this inbound NAT translation.

It should be possible using the NAT Server option... but this is IPv4 only....

Kind regards

Edward

NAT doesn't support this unfortunately.  you need to use a proxy server for this function (reverse proxy mode) or a device like a netscaler for F5 device.

If you were prepared to make your own m0n0wall image, you can add polipo and use it.

from the polipo website;

Since it can speak both IPv4 and IPv6, Polipo can be used as a bridge between the IPv4 and IPv6 Internets: to allow an IPv6-only host to access IPv4 servers or vice versa.

or you could look at IPv6Gate, a sixxs service see http://www.sixxs.net/tools/gateway/