RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
Apologies for the double post, I was not finished with edits in my previous post: > John Levine wrote: > > >It is true at first glance the regex-esque syntax in our I-D may seem > > >a bit complex but I don't believe anywhere near the complexity of > > >NAPTR > > > > None of the complexity of NAPT

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> John Levine wrote: > > >It is true at first glance the regex-esque syntax in our I-D may seem > > >a bit complex but I don't believe anywhere near the complexity of > > >NAPTR > > > > None of the complexity of NAPTR is in the DNS or the DNS servers; it's > > all in the applications that use NAPTR

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Robert Edmonds
John Levine wrote: > >It is true at first glance the regex-esque syntax in our I-D may seem a > >bit complex but I don't believe anywhere near the complexity of NAPTR > > None of the complexity of NAPTR is in the DNS or the DNS servers; it's > all in the applications that use NAPTR. For DNS serve

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread John Levine
>It is true at first glance the regex-esque syntax in our I-D may seem a >bit complex but I don't believe anywhere near the complexity of NAPTR None of the complexity of NAPTR is in the DNS or the DNS servers; it's all in the applications that use NAPTR. For DNS servers, NAPTR is just a record it

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Robert Edmonds
Woodworth, John R wrote: > I respectfully disagree. I, although naturally biased, feel > strongly our I-D is something which should have existed since the > beginning of DNS. It allows address space to be "tagged" and > organized in a manner that just makes sense. > > Imagine if you will a class

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> John R. Levine wrote: > > > Just curious, is there a fundamental reason you have to oppose this > > > beyond simply the scale? > > > > It's a cargo cult style extension of a not particularly useful IPv4 > > convention to IPv6. A much more useful convention that happens to be > > easier to implem

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread John Levine
PS: >I understand rwhois exists but it is much more complicated to manage >than DNS and for the most part is only used at the RIR level for >reverse IP namespace. This would probably be a good time to read up on RDAP. R's, John ___ Please visit https:/

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread John Levine
>beginning of DNS. It allows address space to be "tagged" and >organized in a manner that just makes sense. We'll have to agree to violently disagree at this point. R's, John ___ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubsc

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread John Levine
>Though, if you want to participate in the cargo cult of generic PTRs, >you don't need the complexity of draft-woodworth-bulk-rr's regex-driven >templates in your nameserver. Knot DNS's "minimal viable product" >implementation is ~300 SLOC and uses a hardcoded template. Having looked at the draft,

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> > Just curious, is there a fundamental reason you have to oppose this > > beyond simply the scale? > > It's a cargo cult style extension of a not particularly useful IPv4 > convention to IPv6. A much more useful convention that happens to > be easier to implement is that hosts with static addres

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Robert Edmonds
John R. Levine wrote: > > Just curious, is there a fundamental reason you have to oppose this > > beyond simply the scale? > > It's a cargo cult style extension of a not particularly useful IPv4 > convention to IPv6. A much more useful convention that happens to be easier > to implement is that h

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread John R. Levine
Just curious, is there a fundamental reason you have to oppose this beyond simply the scale? It's a cargo cult style extension of a not particularly useful IPv4 convention to IPv6. A much more useful convention that happens to be easier to implement is that hosts with static addresses have rD

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> I'll let the market decide. For now, such a requirement isn't even > a blip on the horizon as far as I can see. Understood. I guess we all have our own perspective and priorities. There are, however, several popular commercial DNS vendors I know first hand which are offering their own propriet

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread sthaug
> > We're still in the early phases of IPv6. If sufficient ISPs drop PTR > > for dynamic IPv6 addresses, email providers and others who base some > > sort of "reputation" on IPv4 PTRs today will simply have to adapt. > > > Steinar, > > I think this is bigger than anti-spam logic. Simply put: Cu

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> > Simply pretending a shark doesn't exist offers very little in shark > > protection. While I understand this school of thought I don't believe > > it will solve the problem or remove the need. > > We're still in the early phases of IPv6. If sufficient ISPs drop PTR > for dynamic IPv6 addresses,

Re: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread sthaug
> > >A very popular option is to only create or delegate IPv6 PTR entries > > >for hosts with static address assignments, and to return NXDOMAIN for > > >address space used for dynamic address assignments. > > > > I talk to a lot of large providers at M3AAWG and that's the consensus > > about what

RE: Question about dynamic IPv6-PTR-Generation

2016-08-27 Thread Woodworth, John R
> > >A very popular option is to only create or delegate IPv6 PTR entries > >for hosts with static address assignments, and to return NXDOMAIN for > >address space used for dynamic address assignments. > > I talk to a lot of large providers at M3AAWG and that's the consensus > about what to do. If

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread John Levine
>A very popular option is to only create or delegate IPv6 PTR entries for >hosts with static address assignments, and to return NXDOMAIN for >address space used for dynamic address assignments. I talk to a lot of large providers at M3AAWG and that's the consensus about what to do. If it doesn't h

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Robert Edmonds
Tom wrote: > This is the configuration-option, where I'm searching for. But probably this > will take some time, until it's accepted, tested, implemented...etc. What do > you propose in the meantime instead of using wildcards or allow the clients > to register themselves or making static PTR-entrie

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Matus UHLAR - fantomas
On 26.08.16 07:34, Tom Tom wrote: I'm searching a way to respond to IPv6-PTR-Queries like the "$GENERATE"-mechanism for IPv4 has done it. On 26 August 2016 at 13:45, Matus UHLAR - fantomas wrote: why? configuring single IP addresses or taking them from DHCP is easier than creating new useles

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Matthew Pounsett
On 26 August 2016 at 15:41, Matus UHLAR - fantomas wrote: > >>> On 26.08.16 14:01, Matthew Pounsett wrote: > >> That's not necessarily true for IPv6, where even a modest network could >> have trillions of addresses that may need PTR records. >> > > that's exactly why using $GENERATE and/or creati

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Matthew Pounsett
On 26 August 2016 at 13:45, Matus UHLAR - fantomas wrote: > On 26.08.16 07:34, Tom Tom wrote: > >> I'm searching a way to respond to IPv6-PTR-Queries like the >> "$GENERATE"-mechanism for IPv4 has done it. >> > > why? configuring single IP addresses or taking them from DHCP is easier > than > cre

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Matus UHLAR - fantomas
On 26.08.16 07:34, Tom Tom wrote: I'm searching a way to respond to IPv6-PTR-Queries like the "$GENERATE"-mechanism for IPv4 has done it. why? configuring single IP addresses or taking them from DHCP is easier than creating new useless mechanism. -- Matus UHLAR - fantomas, uh...@fantomas.sk ;

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Daniel Stirnimann
Hello Tom I only know of Knot having a feature available for this use case: https://www.knot-dns.cz/docs/2.x/html/configuration.html#synth-record-automatic-forward-reverse-records Daniel On 26.08.16 11:51, Tom wrote: > Many thanks for your quick feedback. > > This is the configuration-option,

Re: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Tom
Many thanks for your quick feedback. This is the configuration-option, where I'm searching for. But probably this will take some time, until it's accepted, tested, implemented...etc. What do you propose in the meantime instead of using wildcards or allow the clients to register themselves or m

RE: Question about dynamic IPv6-PTR-Generation

2016-08-26 Thread Woodworth, John R
> Hi list > > I'm searching a way to respond to IPv6-PTR-Queries like the "$GENERATE" > -mechanism for IPv4 has done it. > > I read about Delegation, self-registration with "tcp-self" or using > Wildcards with the disadvantage, that every query has the same response. > Is there a (planned) way, to

Question about dynamic IPv6-PTR-Generation

2016-08-25 Thread Tom Tom
Hi list I'm searching a way to respond to IPv6-PTR-Queries like the "$GENERATE"-mechanism for IPv4 has done it. I read about Delegation, self-registration with "tcp-self" or using Wildcards with the disadvantage, that every query has the same response. Is there a (planned) way, to generate revers