<div dir="ltr">Thanks Ben for your response, can you tell me the types of TCP traffic I have to expect in BIND, excepting Zone Tansfer?<div><br></div><div>Thans a lot again!!!</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">El lun., 4 feb. 2019 a las 10:50, Ben Croswell (<<a href="mailto:ben.croswell@gmail.com">ben.croswell@gmail.com</a>>) escribió:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">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. </div><br><div class="gmail_quote"><div dir="ltr">On Mon, Feb 4, 2019, 8:46 AM Roberto Carna <<a href="mailto:robertocarna36@gmail.com" target="_blank">robertocarna36@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear, I have a BIND 9.10 public server and I have delegated some public domains.<div><br></div><div>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.</div><div><br></div><div>After that, when I opened also TCP/53 port, the test was succesful.</div><div><br></div><div>Please can you explain me the reason I have to open TCP/53 port to Internet from February 1st to the future???</div><div><br></div><div>Really thanks, regards.</div></div>
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