Re: Differences Between Recursion Desired and Recursion Available

2017-10-08 Thread Barry Margolin
In article , "Darcy Kevin (FCA)" wrote: > It should be noted that answering from cache, e.g. when a server gets an RD=0 > query, or if it doesn't happen to honor recursion for that particular client, > was originally (perhaps naively) unrestricted, but, given evolving > privacy/security conce

RE: Differences Between Recursion Desired and Recursion Available

2017-10-06 Thread Darcy Kevin (FCA)
ge- From: bind-users [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Barry Margolin Sent: Friday, October 06, 2017 12:47 PM To: comp-protocols-dns-b...@isc.org Subject: Re: Differences Between Recursion Desired and Recursion Available In article , Harshith Mulky wrote: > What I

Re: Differences Between Recursion Desired and Recursion Available

2017-10-06 Thread Barry Margolin
In article , Harshith Mulky wrote: > What I am not able to understand is, What would happen when resolver does not > set Recursion Desired bit in the query it sends? If RD is not set, the server should simply not recurse. It answers with whatever it has in its cache or authoritative data. If

Re: Differences Between Recursion Desired and Recursion Available

2017-10-06 Thread Mukund Sivaraman
On Fri, Oct 06, 2017 at 08:11:56AM +, Harshith Mulky wrote: > What I am not able to understand is, What would happen when resolver > does not set Recursion Desired bit in the query it sends? > > If Recursion is supported on the server, Would the server do the > Referral Queries and set the RA

Differences Between Recursion Desired and Recursion Available

2017-10-06 Thread Harshith Mulky
Hello Experts, I read this from RFC1035 about RD and RA Bits RD Recursion Desired - this bit may be set in a query and is copied into the response if recursion supported by this Name Server. If Recursion is rejected by this Name Server, for example it has been configured as Authoritative Only