The IPV6 code is enabled by uncommenting IPV6 = -DHAVE_IPV6 Check your system specific make line for the entry IPV6="$(IPV6)"; it has not been added to most yet. The code was tested on Solaris 8 Beta. A single tcpd binary supports IPV6 and IPV4 sockets as well as TLI (v4/v6). The code successfully compiles on Solaris 7 + playground.sun.com IPV6 patch, but I have not tested the binary. The code also compiles on AIX using "-DHAVE_IPV6 -DUSE_GETHOSTBYNAME2" The KILL_IPOPTIONS option doesn't work. (Something to do with IPV4 addresses mapped inside IPV6 sockets) The code extends the hosts.{allow,deny} syntax in a minor way. You can now specify IPV6 address, like this: # Ipv6 numeric address someservice: [x:x:x::x] # Ipv6 network otherservice: [x:x:x::x/prefix] Note that the "[" and "]" are part of the syntax; no whitespace is allowed inside the []. The datastructures have been modified such that we hope that libwrap binary compatibility is maintained. The original tcp_wrappers-7.6 files have been renamed and have a .org extension; only this file (README.ipv6) was added. Casper Dik (Casper.Dik@Holland.Sun.COM)