> On 21. Mar 2018, at 03:43, Eugene Grosbein <eu...@grosbein.net> wrote: > > On 21.03.2018 08:03, Michael Tuexen wrote: > >>> On 21. Mar 2018, at 00:39, Eugene Grosbein <eu...@grosbein.net> wrote: >>> >>> 21.03.2018 3:09, Ronald F. Guilmette wrote: >>> >>>> I'm going to be doing some stuff with raw sockets pretty soon, and >>>> while scrounging around, looking for some nice coding examples, I >>>> found the following very curious comment on one particular message >>>> board: >>>> >>>> >>>> https://stackoverflow.com/questions/7048448/raw-sockets-on-bsd-operating-systems >>>> >>>> "Using raw sockets isn't hard but it's not entirely portable. For >>>> instance, both in BSD and in Linux you can send whatever you want, >>>> but in BSD you can't receive anything that has a handler (like TCP >>>> and UDP)." >>>> >>>> So, first question: Is the above comment actually true & accurate? >>> >>> Not for FreeBSD. >> Are you saying that I can receive on a raw socket SCTP, TCP and UDP packets? > > No. I'm saying one can send/receive RAW IP packets no matter are they SCTP, > TCP or UDP > or something else by means of libdnet. It uses raw sockets and BPF internally > but hides this complexity. nmap uses it just fine. OK. Thanks for the clarification.
Best regards Michael > > _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
