Ben, thanks a lot !!! Regards
On Mon, Feb 4, 2019 at 11:04 AM Ben Croswell <ben.crosw...@gmail.com> wrote: > When a DNS response is too large to fit in a single UDP packet, 512 bytes > up to 4k with edns, the DNS server will respond with as much as it can fit > in the UDP packet. It will also set the truncate, TC, bit to let the client > doing the query that the answer is truncated and the client should query > again over TCP for the full answer. > > The TC bit is also used in conjunction with RRL. > > On Mon, Feb 4, 2019, 8:57 AM Roberto Carna <robertocarn...@gmail.com > wrote: > >> Thanks Ben for your response, can you tell me the types of TCP traffic I >> have to expect in BIND, excepting Zone Tansfer? >> >> Thans a lot again!!! >> >> El lun., 4 feb. 2019 a las 10:50, Ben Croswell (<ben.crosw...@gmail.com>) >> escribió: >> >>> BIND has always required UDP and TCP 53 for proper functionality. It >>> sometimes mistakenly believed that TCP is only for zone transfers but that >>> is not the case. >>> >>> On Mon, Feb 4, 2019, 8:46 AM Roberto Carna <robertocarn...@gmail.com >>> wrote: >>> >>>> Dear, I have a BIND 9.10 public server and I have delegated some public >>>> domains. >>>> >>>> When I test these domains with the EDNS tool offered in the DNS Flag >>>> Day webpage, the test was wrong wit just UDP/53 port opened to Internet. >>>> >>>> After that, when I opened also TCP/53 port, the test was succesful. >>>> >>>> Please can you explain me the reason I have to open TCP/53 port to >>>> Internet from February 1st to the future??? >>>> >>>> Really thanks, regards. >>>> _______________________________________________ >>>> Please visit https://lists.isc.org/mailman/listinfo/bind-users to >>>> unsubscribe from this list >>>> >>>> bind-users mailing list >>>> bind-users@lists.isc.org >>>> https://lists.isc.org/mailman/listinfo/bind-users >>>> >>> _______________________________________________ >> Please visit https://lists.isc.org/mailman/listinfo/bind-users to >> unsubscribe from this list >> >> bind-users mailing list >> bind-users@lists.isc.org >> https://lists.isc.org/mailman/listinfo/bind-users >> > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to > unsubscribe from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users >
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