Re: net.inet6.ip6.v6only

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Thu, Apr 18, 2013 at 03:05:53PM +0200, Edgar Fuß wrote:
> Third: What's the drawback (or what are the security implications) of setting
> the knob to 0, i.e. enabling mapped addresses? My impression is that neither
> squid nor lighttpd will, on a host with non-local v6 adresses, work correctly
> without because they (on a v6 host) will only create PF_INET6 sockets and then
> try to connect to v6-mapped v4 adresses.

An application that knows how to deal with mapped V4 addresses can
enable it explicitly for a socket.

Joerg