trema/apps — pull request #6 by r-mibu (2012-02-29 11:52:43+00:00)
Title: SET_IPV4_REVERSE_PATH option

I modified SET_IPV4_REVERSE_PATH option.
Currently, this option is a cflag.
If this code is good for you, I will make command line option.

This is an experimental option to setup going and returning flows for IPv4 packet.
This could be reduce a number of packet_in and resolve_path, and is useful for
accepting packets that are responce to a request packet from dynamic client tdp/udp
ports like 30001. For ICMPv4 protocols, just "Echo Reply" is modified as the
returning flow.
WARN: The returning flow is modified without filter check.
This might be harmful to user's security policy.