On Mar 21, 2013, at 2:57 PM, Ermal Luçi <e...@freebsd.org> wrote: > > > > On Thu, Mar 21, 2013 at 2:54 PM, Fleuriot Damien <m...@my.gd> wrote: > > On Mar 21, 2013, at 9:25 AM, Ermal Luçi <e...@freebsd.org> wrote: > > > On Thu, Mar 21, 2013 at 1:59 AM, Mark D > > <markd-freebsd-...@bushwire.net>wrote: > > > >> (Hopefully this isn't too out-of-scope for this list..) > >> > >> I have an application in mind that I'd like to have accept/respond to > >> UDP queries sent to perhaps 30K contiguous IP addresses (most likely > >> IPV6 addresses because such ranges are easy to come by, but > >> conceptually ipv4 as well). > >> > >> This would all be on a small number of FBSD instances. > >> > >> Though it could be done, I don't really want to create 30K interfaces > >> and have the application bind 30K sockets as it's not clear if that > >> will scale if I try an address range that expands to, say, 1M IPs > >> wide. > >> > >> This address range would be internet-facing and responding to random > >> remote clients. > >> > >> My first thought is to use SOCK_RAW in much the same way that natd > >> does - at least to receive the traffic. > >> > >> Is that a sensible and viable approach or is there a better/easier > >> way? > >> > >> > >> Mark. > >> _______________________________________________ > >> freebsd-net@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-net > >> To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > >> > > > > > > How about firing up one of the firewall/pfil(9) consumers like (ipfw/pf) > > and adding rules to redirect traffic to a socket bound on loopback? > > > > -- > > Ermal > > > I fail to see how that's different from what I suggested with PF's rdr rule ? > > I never saw the e-mail in this thread!
Find below a copy of the text I posted : == Use PF ? :p Rdr quick on $wan inet6 proto udp from any to 2001:1234::1/120 port 12345 tag uwin -> ::1 Pass in quick on $wan inet6 proto udp tagged $uwin That's a bit dirty though, using PAT on ip6... == Here you go. >From what I understand, that would be pretty similar to what you suggested, >aye ? _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
