Re: referral doubt

[Luis Silva]

Tks a lot for the answer. It really helped understanding this process. But
just a simple question. What happens if the
"ns1.testing.server.comA
192.123.123.23" doesn't responds? will it try to get the others?

Regards,
Luis

On Thu, Jan 29, 2009 at 8:12 PM, JINMEI Tatuya / 神明達哉  wrote:

> At Thu, 29 Jan 2009 15:39:01 +,
> Luis Silva  wrote:
>
> > I have a question related with the contacting external servers.
> > If my server receives an referral answer from an external server with 3
> NS
> > records but just 1 A additional record, what is the normal behaviour? is
> the
> > server supposed to resolve all 3 nameservers or continues with the
> iterative
> > process contacting the server that have the additional A record.
>
> I don't know what's "normal", but BIND9 should continue with the
> process with the server that has an address (while trying to resolve
> addresses of other NSes).
>
> > For example:
> > Trying to resolve www.testing.server.com
> > When contacting "server.com" nameserver I receive in the answer 3 NS and
> 1 A
> > Additional record:
> > testing.server.com NS ns1.testing.server.com
> >  testing.server.com NS ns2.testing.server.com
> >  testing.server.com NS ns3.testing.server.com
> > ns1.testing.server.com A 192.123.123.23
>
> In this case BIND9 should immediately send a subsequent query to
> 192.123.123.23.
>
> ---
> JINMEI, Tatuya
> Internet Systems Consortium, Inc.
>
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Re: query an external nameserver doubt

[Nuno Ribeiro]

Here is an example:

There is a CNAME Record "www.example.test.com CNAME ts.example.test2.com" in
the "example.test.com" zone, which my nameserver is not authoritive. My name
server is authoritive for "example.test2.com" zone.

I receive a A query for "www.example.test.com". I send this query to
external nameservers and discover the CNAME record target is in my zone. Is
this possible?

Best Regards,

NR



On Thu, Feb 19, 2009 at 1:29 AM, Barry Margolin  wrote:

> In article ,
>  Nuno Ribeiro  wrote:
>
> > Is it possible to send a query to a external nameserver that can be a
> CNAME
> > for a record located in other nameserver zone where we are authoritive?
>
> It's hard to parse this. Could you give an example of what you're asking
> about?
>
> --
> Barry Margolin, bar...@alum.mit.edu
> Arlington, MA
> *** PLEASE don't copy me on replies, I'll read them in the group ***
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>



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Re: referral doubt

[Matus UHLAR - fantomas]

> > > Trying to resolve www.testing.server.com
> > > When contacting "server.com" nameserver I receive in the answer 3 NS and 
> > > 1 A
> > > Additional record:
> > > testing.server.com NS ns1.testing.server.com
> > >  testing.server.com NS ns2.testing.server.com
> > >  testing.server.com NS ns3.testing.server.com
> > > ns1.testing.server.com A 192.123.123.23

> > In this case BIND9 should immediately send a subsequent query to
> > 192.123.123.23.

On 19.02.09 12:02, Luis Silva wrote:
> Tks a lot for the answer. It really helped understanding this process. But
> just a simple question. What happens if the
> "ns1.testing.server.comA
> 192.123.123.23" doesn't responds? will it try to get the others?

yes, if it's able to find out their IPs.
-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
"They say when you play that M$ CD backward you can hear satanic messages."
"That's nothing. If you play it forward it will install Windows."
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Re: query an external nameserver doubt

[Matus UHLAR - fantomas]

On 19.02.09 12:26, Nuno Ribeiro wrote:
> To: comp-protocols-dns-b...@isc.org, bind-users@lists.isc.org

Don't do this. The mailing list and newsgroup are connected.

> There is a CNAME Record "www.example.test.com CNAME ts.example.test2.com"
> in the "example.test.com" zone, which my nameserver is not authoritive. My
> name server is authoritive for "example.test2.com" zone.
> 
> I receive a A query for "www.example.test.com". I send this query to
> external nameservers and discover the CNAME record target is in my zone.
> Is this possible?

Yes, it's possible. They will reply with

www.example.test.com CNAME ts.example.test2.com

If they have recursion or query-cache enabled, they may also respond with
ts.example.test2.com A in answer section and example.test.com NS info in
authority/additional sections
-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Fighting for peace is like fucking for virginity...
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bind 9.60p1 on solaris 10

[SN]

Hi Group.

libcrypto.so.0.9.8 is not being found as a link library.  Trying to
run as in a chroot'ed environment on solaris 10 (core install).
Kindly advise.

r...@qdc-dns2(bash-3.0)/dns/chroot/usr/local/sbin# ldd /dns/chroot/usr/
local/sbin/named
libcrypto.so.0.9.8 =>(file not found)
libnsl.so.1 =>   /usr/lib/libnsl.so.1
libnsl.so.1 (SUNW_1.9.1) =>  (version not found)
libsocket.so.1 =>/usr/lib/libsocket.so.1
libscf.so.1 =>   /usr/lib/libscf.so.1
libpthread.so.1 =>   /usr/lib/libpthread.so.1
libthread.so.1 =>/usr/lib/libthread.so.1
libxml2.so.2 =>  /usr/lib/libxml2.so.2
libz.so.1 => /usr/lib/libz.so.1
libm.so.2 => /usr/lib/libm.so.2
libc.so.1 => /usr/lib/libc.so.1
libmp.so.2 =>/lib/libmp.so.2
libmd.so.1 =>/lib/libmd.so.1
libdoor.so.1 =>  /lib/libdoor.so.1
libuutil.so.1 => /lib/libuutil.so.1
libgen.so.1 =>   /lib/libgen.so.1
/platform/SUNW,Serverblade1/lib/libc_psr.so.1
/platform/SUNW,Serverblade1/lib/libmd_psr.so.1

r...@qdc-dns2(bash-3.0)/dns/chroot/usr/local/sbin# /etc/init.d/dns
start
ld.so.1: named: fatal: libcrypto.so.0.9.8: open failed: No such file
or directory
Killed

Kind Regards,
-Sajed Naseem
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isc_socket_create: fcntl/reserved: Too many open file

[kamal pandy]

Hi All,

I am running ISC-9.3.5P1 on my HP-UX-IA machine, and I am seeing this
message
 "isc_socket_create: fcntl/reserved: Too many open files" in syslog.


Could any one of please provide the pointer for same or could you please
provide the code changes so that I can
make the change in 9.3.5-P1 code and build it again.


awaiting positive reply.


thanks in advance
Kamal
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Re: isc_socket_create: fcntl/reserved: Too many open file

[JINMEI Tatuya / 神明達哉]

At Thu, 19 Feb 2009 23:29:44 +0530,
kamal pandy  wrote:

> I am running ISC-9.3.5P1 on my HP-UX-IA machine, and I am seeing this
> message
>  "isc_socket_create: fcntl/reserved: Too many open files" in syslog.

(I've sent the same (but a bit more detailed) response to bind9-bugs)
Please upgrade to 9.3.6.

---
JINMEI, Tatuya
Internet Systems Consortium, Inc.
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Re: query an external nameserver doubt

[bsfinkel]

On 19.02.09 12:26, Nuno Ribeiro wrote:

>> There is a CNAME Record "www.example.test.com CNAME ts.example.test2.com"
>> in the "example.test.com" zone, which my nameserver is not authoritive. My
>> name server is authoritive for "example.test2.com" zone.
>> 
>> I receive a A query for "www.example.test.com". I send this query to
>> external nameservers and discover the CNAME record target is in my zone.
>> Is this possible?


And Matus UHLAR - fantomas  replied:
>Yes, it's possible. They will reply with
>
>www.example.test.com CNAME ts.example.test2.com
>
>If they have recursion or query-cache enabled, they may also respond with
>ts.example.test2.com A in answer section and example.test.com NS info in
>authority/additional sections


I am not sure exactly what the OP wanted.  If he wants to be able to
send a query to find all of the DNS CNAME records that point to his
server, there is no way of doing this, as any domain could conceivably
contain such a CNAME record, and he would have to query every name
server.
--
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory  Phone:+1 (630) 252-7277
9700 South Cass Avenue   Facsimile:+1 (630) 252-4601
Building 222, Room D209  Internet: bsfin...@anl.gov
Argonne, IL   60439-4828 IBMMAIL:  I1004994
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Re: bind 9.60p1 on solaris 10

[Mark Andrews]

In message <937393c4-77a8-4dba-8a4f-14560c25c...@o11g2000yql.googlegroups.com>,
 SN writes:
> Hi Group.
> 
> libcrypto.so.0.9.8 is not being found as a link library.  Trying to
> run as in a chroot'ed environment on solaris 10 (core install).
> Kindly advise.

Install the package that includes OpenSSL.
 
> r...@qdc-dns2(bash-3.0)/dns/chroot/usr/local/sbin# ldd /dns/chroot/usr/
> local/sbin/named
> libcrypto.so.0.9.8 =>(file not found)
> libnsl.so.1 =>   /usr/lib/libnsl.so.1
> libnsl.so.1 (SUNW_1.9.1) =>  (version not found)
> libsocket.so.1 =>/usr/lib/libsocket.so.1
> libscf.so.1 =>   /usr/lib/libscf.so.1
> libpthread.so.1 =>   /usr/lib/libpthread.so.1
> libthread.so.1 =>/usr/lib/libthread.so.1
> libxml2.so.2 =>  /usr/lib/libxml2.so.2
> libz.so.1 => /usr/lib/libz.so.1
> libm.so.2 => /usr/lib/libm.so.2
> libc.so.1 => /usr/lib/libc.so.1
> libmp.so.2 =>/lib/libmp.so.2
> libmd.so.1 =>/lib/libmd.so.1
> libdoor.so.1 =>  /lib/libdoor.so.1
> libuutil.so.1 => /lib/libuutil.so.1
> libgen.so.1 =>   /lib/libgen.so.1
> /platform/SUNW,Serverblade1/lib/libc_psr.so.1
> /platform/SUNW,Serverblade1/lib/libmd_psr.so.1
> 
> r...@qdc-dns2(bash-3.0)/dns/chroot/usr/local/sbin# /etc/init.d/dns
> start
> ld.so.1: named: fatal: libcrypto.so.0.9.8: open failed: No such file
> or directory
> Killed
> 
> Kind Regards,
> -Sajed Naseem
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PHONE: +61 2 9871 4742 INTERNET: mark_andr...@isc.org
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