Re: Is it possible to use nsupdate with EDNS0?

2019-01-16 Thread Mark Andrews
> On 17 Jan 2019, at 6:56 am, Mark Andrews wrote: > > While legal it is most definitely not a good idea. You first have to probe to > find out the EDNS buffer size. Then you may also need to deal with PMTUD > issues. The you need to deal with broken middle boxes and fragmentation. > Dealin

Re: Is it possible to use nsupdate with EDNS0?

2019-01-16 Thread Mark Andrews
While legal it is most definitely not a good idea. You first have to probe to find out the EDNS buffer size. Then you may also need to deal with PMTUD issues. The you need to deal with broken middle boxes and fragmentation. Dealing with all of this is done at the application level. Add to that

Is it possible to use nsupdate with EDNS0?

2019-01-16 Thread Fumiya Obatake
Is it possible to use nsupdate with edns0? Hello, all. I have some questions about nsupdate. I try to update a set of TXT records over 512 bytes in all by using nsupdate without -v option, and it makes TCP connection automatically. In RFC2136, `An update transaction may be carried in a UDP datagr