<div dir="ltr">Hi Jesus.<div>No. Zone Transfer always uses TCP. Is it really that much of an overhead for you?</div><div><br></div><div>Cheers, Greg</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 13 Jan 2023 at 05:56, Jesus Cea <<a href="mailto:jcea@jcea.es">jcea@jcea.es</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">I have a dns zone with many dns updates per minute. The updates are <br>
tiny, like 2-3 records, <500 bytes in total.<br>
<br>
Currently my secondaries receive a NOTIFY and they do a TCP connection <br>
to request a incremental zone transfer. We know that TCP is "heavy" and <br>
the data I need to transfer is tiny before shutting down the TCP connection.<br>
<br>
Is there any way to do incremental zone transfer via UDP and, if the <br>
size is too big (>1232 bytes), fall back to TCP?<br>
<br>
Thanks!<br>
<br>
PS: I protect everything using TSIG.<br>
<br>
-- <br>
Jesús Cea Avión _/_/ _/_/_/ _/_/_/<br>
<a href="mailto:jcea@jcea.es" target="_blank">jcea@jcea.es</a> - <a href="https://www.jcea.es/" rel="noreferrer" target="_blank">https://www.jcea.es/</a> _/_/ _/_/ _/_/ _/_/ _/_/<br>
Twitter: @jcea _/_/ _/_/ _/_/_/_/_/<br>
jabber / <a href="mailto:xmpp%3Ajcea@jabber.org" target="_blank">xmpp:jcea@jabber.org</a> _/_/ _/_/ _/_/ _/_/ _/_/<br>
"Things are not so easy" _/_/ _/_/ _/_/ _/_/ _/_/ _/_/<br>
"My name is Dump, Core Dump" _/_/_/ _/_/_/ _/_/ _/_/<br>
"El amor es poner tu felicidad en la felicidad de otro" - Leibniz<br>
-- <br>
Visit <a href="https://lists.isc.org/mailman/listinfo/bind-users" rel="noreferrer" target="_blank">https://lists.isc.org/mailman/listinfo/bind-users</a> to unsubscribe from this list<br>
<br>
ISC funds the development of this software with paid support subscriptions. Contact us at <a href="https://www.isc.org/contact/" rel="noreferrer" target="_blank">https://www.isc.org/contact/</a> for more information.<br>
<br>
<br>
bind-users mailing list<br>
<a href="mailto:bind-users@lists.isc.org" target="_blank">bind-users@lists.isc.org</a><br>
<a href="https://lists.isc.org/mailman/listinfo/bind-users" rel="noreferrer" target="_blank">https://lists.isc.org/mailman/listinfo/bind-users</a><br>
</blockquote></div>