Re: queries with no RD bit set are truncating

2009-06-16 Thread Mark Andrews
In message , Peter Andreev writes: > Kevin, this server is totally non-recursive. Neither recurse option is > enabled and packet size does not exceed 512 byte. May be it was some > temporarly bugs due to mysterious causes. I suspect someone has modified the server to mitigate it

Re: queries with no RD bit set are truncating

2009-06-16 Thread Peter Andreev
Kevin, this server is totally non-recursive. Neither recurse option is enabled and packet size does not exceed 512 byte. May be it was some temporarly bugs due to mysterious causes. Below I post full sniffer's output for both queries: No. TimeSourceDestination

Re: queries with no RD bit set are truncating

2009-06-15 Thread Kevin Darcy
Well, the biggest mystery here, in my mind, is why are you getting an actual *answer* (specifically, 5 records in the Answer Section, with another 3 records associated with those answers in the Additional Section) when you query recursively, but no answer when you query non-recursively (?) Sinc

Re: queries with no RD bit set are truncating

2009-06-15 Thread Mark Andrews
Showing just the header is not very useful. Please show the FULL question and the FULL answer. Mark In message , Peter Andreev writes: > > Because there is nothing in server's logs. > While client sees following: > > (query with no RD bit) > - Flags: Query, Opcode

Re: queries with no RD bit set are truncating

2009-06-15 Thread Peter Andreev
Because there is nothing in server's logs. While client sees following: (query with no RD bit) - Flags: Query, Opcode - QUERY (Standard query), Rcode - Success QR:(0...) Query Opcode:(....) QUERY (Standard query) 0 AA:

Re: queries with no RD bit set are truncating

2009-06-11 Thread Mark Andrews
In message , Peter Andreev writes: > > Thank you for answer, Kevin. > > Yes, recursion completely *off* by "recursion no;" option. And only my > servers are authoritative for client's zone. So I'm in confusion, because as > you said, for servers should not have a difference between RD=0 and RD=

Re: queries with no RD bit set are truncating

2009-06-11 Thread Peter Andreev
Thank you for answer, Kevin. Yes, recursion completely *off* by "recursion no;" option. And only my servers are authoritative for client's zone. So I'm in confusion, because as you said, for servers should not have a difference between RD=0 and RD=1. I'm afraid that there are reasons for such str

Re: queries with no RD bit set are truncating

2009-06-10 Thread Kevin Darcy
Peter Andreev wrote: Good day I have met a trouble with non-recursive BIND 9.3.3, running on FreeBSD 6.2-R. Sometimes if one of our clients sends query with no RD bit set, he receives a truncated answer. If RD bit is set then all well. Where I should look to localise a problem? By "non-recu

queries with no RD bit set are truncating

2009-06-10 Thread Peter Andreev
Good day I have met a trouble with non-recursive BIND 9.3.3, running on FreeBSD 6.2-R. Sometimes if one of our clients sends query with no RD bit set, he receives a truncated answer. If RD bit is set then all well. Where I should look to localise a problem? Thank you. ___