Hi,

As you know the ipsec/setkey provide limited syntax to define security
policies: only a single subnet/host, protocol number and optional port
may be used to specify traffic's source and destination.

I was thinking about the idea of using ipfw as the packet selector for ipsec,
much like it is used with dummeynet. Something like:

ipfw add 100 ipsec 2 tcp from <lan-table> to <remote-servers-table> 
80,443,110,139

What do you think? Are you interested in such a feature?
Is it worth the effort? What are the implementation challenges?

--
Best regards
Hooman Fazaeli

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