> 1) If a reply is over 512 bytes, which can't in theory be done via UDP, > should the queried server reply telling my resolver to ask again using > TCP? Assuming, as one normally should, that there are firewalls, the > queried server can't simply reply TCP, as it would get blocked.
I am not sure about the UDP size question, but I am pretty sure this is a client behavior, i.e. the server does not send back a reply to tell the client to use TCP port, but client should try UDP, fails, and switch to using TCP. _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
