Earlier this year I received an email from Jeffrey Frey of the University of Delaware, asking for some help with IPFilter to implement access control using a Solaris 10 box with postgres. All that was needed on my behalf was a little assistance to get it fully up and running.
A more full description of the who/what/how/why can be found here: http://turin.nss.udel.edu/pgipfauth.html Ok, so it's not specifically OpenSolaris, but I'm sure we can look past that and appreciate what people do and where they take our software :) Enjoy, Darren