North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: UDP packet/DNS server
> > Hello Nanog, > > I am trying get zone trasfer from a host, but it seems that because of > firewals?, I can not get any record. > They acknowelged that there is a host behind the firewalls but they claim > it should not affect it. (I don't believe it.) > But I don't know how to check/prove that if certain host can > receive/send an UDP packet. Zone transfers are handled via TCP, not UDP. See if you can telnet to port 51 on their nameserver; if you can't get a connection established, you won't be able to do a zone transfer. > TIA, > Tatsuya Matt
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