>I'am looking for a firewall (shareware or freeware) running under NetBSD
>1.3.

It's built in, see ipf(8) and /usr/share/examples/ipf/*.
See also http://coombs.anu.edu.au/~avalon/ip-filter.html

Anders
-------------------------------------------------------------
Anders Dinsen                    http://www.danbbs.dk/~dinsen
                                 dinsen@danbbs.dk