Also if EDNS0 is in effect theoretically the max size would be 4096 bytes before a truncate happened.
-- -Ben Croswell On Mon, May 4, 2009 at 8:55 PM, Martin McCormick <[email protected]>wrote: > Matt Baxter writes: > > When a response can not fit in a single UDP packet the server will mark > > the > > truncated flag (and respond with all the data it can inside the UDP > > packet). That should trigger a client to resubmit the query via TCP. Zone > > transfers are the most common use for TCP, but it can be required for > > normal queries, although that is far from normal. > > My thanks to you and to 2 other list members who replied > off list. This confirms what I thought I remembered reading some > time before. > > Martin McCormick > _______________________________________________ > bind-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/bind-users >
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