Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Matus UHLAR - fantomas
> > On 27.01.09 08:46, Al Stu wrote: > > > So then you disagree that the following example returns a valid address > > > record for srv1? > > > > > > srv1 300 IN A 1.2.3.4 > > > mx1 300 IN CNAME srv1.xyz.com. > > > @ 300 IN MX 1 mx1.xyz.com. > > > > > > 1) Select Target Host: > > > The MX q

Re: Split view multiple zones

2009-01-27 Thread Andy Kosela
"Reinis Rozitis" wrote: > > I've been using an include file for zones common between multiple > > views, might help in your case too. > > Thanks somehow didnt think about this way. Pretty much takes to > acceptable solution :) Yes, "include" statement is the best option especially if you have

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Barry Margolin
In article , Matus UHLAR - fantomas wrote: > On 27.01.09 08:46, Al Stu wrote: > > So then you disagree that the following example returns a valid address > > record for srv1? > > > > srv1 300 IN A 1.2.3.4 > > mx1 300 IN CNAME srv1.xyz.com. > > @ 300 IN MX 1 mx1.xyz.com. > > > > 1) Select

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Barry Margolin
In article , mlel...@serpens.de (Michael van Elst) wrote: > Barry Margolin writes: > > >customer.com. IN MX 10 mx.yourdomain.com. > >mx.yourdomain.com. IN CNAME mx.outsourcer.com. > >mx.outsourcer.com. IN A ... > > That's just the same as > > | customer.com. IN MX 10 mx.outsourcer.com. > | mx

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Barry Margolin
In article , Mark Andrews wrote: > Liberal in what you accepts means don't die on arbitary > input. You should still reject rubbish. But MX pointing to CNAME is not "rubbish". It's a violation of the letter of the spec, but it's very clear what is intended. -- Barry Margolin, b

Re: What are these entries in the log file - " query: . IN NS +"?

2009-01-27 Thread Tony Toews [MVP]
"Jukka Pakkanen" wrote: >There are many free third party firewall packages that can be run in Window= >s = > >2003 Server, we use the Net Firewall. Do you have a URL? I found http://www.ntkernel.com/w&p.php?id=18 but it's not free. I'm also going to ask my fellow MVPs as well. Tony -- Tony T

Re: What are these entries in the log file - " query: . IN NS +"?

2009-01-27 Thread Tony Toews [MVP]
"Tony Toews [MVP]" wrote: >26-Jan-2009 14:28:24.004 client 76.9.16.171#23101: query: . IN NS + >26-Jan-2009 14:28:58.254 client 63.217.28.226#28035: query: . IN NS + >26-Jan-2009 14:29:00.691 client 63.217.28.226#35549: query: . IN NS + >26-Jan-2009 14:29:26.332 client 76.9.16.171#19817: query: .

Re: contacting a external nameserver

2009-01-27 Thread Luis Silva
Yes, basically what I need is a forwarder. Basically I want an internal network but external queries must be handled by another server. Thanks a lot for the quick reply. Kind Regards, Luis On Tue, Jan 27, 2009 at 6:51 PM, Serge Fonville wrote: > I should have sent this to the list > > > On Tue,

Re: disableing EDNS messages bind-9.5.0

2009-01-27 Thread Mark Andrews
In message , "Jeremy C. Ree d" writes: > > I'm trying to troubleshoot why we are getting a lot of disabling EDNS > > messages in /var/log/messages. > > > > We are running bind-9.5.0.P2 on a linux box. > > > > Jan 27 11:42:23 ns0 named[27764]: too many timeouts resolving > > 'host2.centmine.com

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Mark Andrews
In message , "Al Stu" writes: > So then you disagree that the following example returns a valid address > record for srv1? The MX query won't return the A record for srv1. The additional section processing rules say to add A / records not CNAME records. You

Re: What are these entries in the log file (blocking)

2009-01-27 Thread Mark Andrews
In message <260425.38131...@web38201.mail.mud.yahoo.com>, W Sanders writes: > The easy way to block people trying to DoS you, without needing a firewall, > is to just null route their IP: "add route > 1.2.3.4 127.0.0.1". Of course this blocks ALL traffic from that IP, but in > most cases the IP

Re: Automation packages

2009-01-27 Thread Leonard Mills
I personally really like SENDS. Works fine, has lasted long time, with only minor changes as perl has evolved. However, note that the last few times we tried to supply updates, we haven't succeeded. The below FTP server may or may not be available; I could not reach it in the past 10 minutes.

Re: disableing EDNS messages bind-9.5.0

2009-01-27 Thread Danny Thomas
Dean Clapper wrote: I'm trying to troubleshoot why we are getting a lot of disabling EDNS messages in /var/log/messages. We are running bind-9.5.0.P2 on a linux box. Jan 27 11:42:23 ns0 named[27764]: too many timeouts resolving 'host2.centmine.com/' (in 'centmine.com'?): disabling EDNS Ja

Re: error sending response log messages

2009-01-27 Thread Mark Andrews
In message <497f2cfe.8070...@yahoo.com>, Andre LeClaire writes: > Mark Andrews wrote: > > In message <497caef2.80...@yahoo.com>, Andre LeClaire writes: > >> Hello everyone, > >> I've been seeing these syslog messages for about a week on a FreeBSD > >> server running BIND 9.4.3-P1: > >> > >> Jan 2

Automation packages

2009-01-27 Thread John Craig
Hi Bind experts, I'm looking to do some automation of bind administration - particularly adding and removing A Records, PTRs, and CNAMEs. Dynamic DNS is not appropriate as there is a strong requirement for change management on the zone files. Anyone have a strong belief in one or another tool, pa

RE: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Ben Bridges
When Section 5.1 of RFC 5321 says "If a CNAME record is found, the resulting name is processed as if it were the initial name", it is referring to the situation where a query is sent for the MX record for xyz.com, and instead of an MX record being returned for xyz.com, a CNAME record is returned fo

contacting a external nameserver

2009-01-27 Thread Serge Fonville
I should have sent this to the list On Tue, Jan 27, 2009 at 11:42 AM, Serge Fonville wrote: > Hi, > > Not sure what your endgoal is, but... > > If you want a specific zone to be queried on the external nameserver, you > can create a forward zone. > If you want all unresolvable queries to be forw

Re: e: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread sthaug
> >How about these two? > > > >> nullmx.domainmanager.com > >Non-authoritative answer: > >Name:mta.dewile.net > >Address: 69.59.189.80 > >Aliases: nullmx.domainmanager.com > > > >> smtp.secureserver.net > >Non-authoritative answer: > >Name:smtp.where.secureserver.net > >Address: 208.109.

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Al Stu
I not only say it, I have demonstrated it. BIND is the DNS system we are discussing. Have not looked to see if that specifically is spec'ed in an RFC. Yes other DNS implementations do return both the A and CNAME. *** PLEASE don't copy me on replies, I'll read them in the group *** - Origina

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Al Stu
"They are two queries. If mx1 would be an A, it would be returned in the first query. Since it's a CNAME, the IP is not returned in the MX query." So. RFC 5321 5.1, Locating the Target Host, says the CNAME is to be processed. "The lookup first attempts to locate an MX record associated with

Re: disableing EDNS messages bind-9.5.0

2009-01-27 Thread Jeremy C. Reed
> I'm trying to troubleshoot why we are getting a lot of disabling EDNS > messages in /var/log/messages. > > We are running bind-9.5.0.P2 on a linux box. > > Jan 27 11:42:23 ns0 named[27764]: too many timeouts resolving > 'host2.centmine.com/' (in 'centmine.com'?): disabling EDNS Please co

disableing EDNS messages bind-9.5.0

2009-01-27 Thread Dean Clapper
I'm trying to troubleshoot why we are getting a lot of disabling EDNS messages in /var/log/messages. We are running bind-9.5.0.P2 on a linux box. Jan 27 11:42:23 ns0 named[27764]: too many timeouts resolving 'host2.centmine.com/' (in 'centmine.com'?): disabling EDNS Jan 27 11:42:24 ns0 name

e: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread bsfinkel
Al Stu" wrote: >How about these two? > >> nullmx.domainmanager.com >Non-authoritative answer: >Name:mta.dewile.net >Address: 69.59.189.80 >Aliases: nullmx.domainmanager.com > >> smtp.secureserver.net >Non-authoritative answer: >Name:smtp.where.secureserver.net >Address: 208.109.80.149

Re: Split view multiple zones

2009-01-27 Thread Reinis Rozitis
I've been using an include file for zones common between multiple views, it might help in your case too. Thanks somehow didnt think about this way. Pretty much takes to acceptable solution :) wbr Reinis Rozitis ___ bind-users mailing list bind-u

[SPAM] Re: Split view multiple zones

2009-01-27 Thread Chris Burton
Of course I could just copy and paste all the zones also in 'custom' view but it doubles the configuration size. I've been using an include file for zones common between multiple views, it might help in your case too. Regards, ChrisB. -- Quickly find domains on the same IP, NS or MX with http:

Re: Split view multiple zones

2009-01-27 Thread Alan Clegg
Reinis Rozitis wrote: > view "custom" { >match-clients { custom-clients; } >zone "customzone.com" { ... }; > } > > view "normal" { >match-clients { any; }; >zone "customzone.com" { ... }; > >zone "otherzone.com" { ... }; >zone "otherzone2.com" { ... }; > } > > > The pro

Split view multiple zones

2009-01-27 Thread Reinis Rozitis
Hello, sorry if such question has been asked before (couldnt find and the documentation was unclear), but maybe somebody can help with such issue or clarify: Do you need (and there is no workarround) to specify all the zones in all views? To be specific: 1. I have Bind (9.4.3) with bunch

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Matus UHLAR - fantomas
On 27.01.09 08:46, Al Stu wrote: > So then you disagree that the following example returns a valid address > record for srv1? > > srv1 300 IN A 1.2.3.4 > mx1 300 IN CNAME srv1.xyz.com. > @ 300 IN MX 1 mx1.xyz.com. > > 1) Select Target Host: > The MX query for xyz.com delivers mx1.xyz.com wh

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Al Stu
So then you disagree that the following example returns a valid address record for srv1? srv1 300 IN A 1.2.3.4 mx1 300 IN CNAME srv1.xyz.com. @ 300 IN MX 1 mx1.xyz.com. 1) Select Target Host: The MX query for xyz.com delivers mx1.xyz.com which is a CNAME. 2) Get Target Host Address: The A

Re: What are these entries in the log file (blocking)

2009-01-27 Thread W Sanders
The easy way to block people trying to DoS you, without needing a firewall, is to just null route their IP: "add route 1.2.3.4 127.0.0.1". Of course this blocks ALL traffic from that IP, but in most cases the IP trying to DoS you is someone you don't care about anyway. If you have an authoritati

Re: BIND 9.4.x vs 9.6.x - pid-file check and creation

2009-01-27 Thread Mark Andrews
Looking at the publically available parts of SunSolve there are at least bug reports about it. Requires Support Contract tmp_mkdir()/xmemfs_mkdir() inconsistent with other xxxfs_mkdir() functions. | Open in a new window bug 6253984 http://sunsolve.sun.com/search/document.do?assetkey=1-1-625398

Re: contacting a external nameserver

2009-01-27 Thread David Forrest
On Tue, 27 Jan 2009, Luis Silva wrote: Hi all, I'm having a question related to querying external servers that hope you could answer me. I'm sending a iterative query for an external server and the server is sending a referral answer but only with the authoritive name servers. After that, i sen

Re: delegation over authority?

2009-01-27 Thread Matus UHLAR - fantomas
On 26.01.09 17:09, Todd Snyder wrote: > I am trying to wrap my head around a weird configuration I ran across > today, and see if my assumptions are correct. > > Working with the TLD .testdomain. > > We have the record: > > test2.testdomain. IN NS ns01.blahblah.testdomain. > > >

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Mark Andrews
In message , Michael van Elst writes: > Barry Margolin writes: > > >customer.com. IN MX 10 mx.yourdomain.com. > >mx.yourdomain.com. IN CNAME mx.outsourcer.com. > >mx.outsourcer.com. IN A ... > > That's just the same as > > | customer.com. IN MX 10 mx.outsourcer.com. > | mx.outsourcer.com. IN A

Re: reverse lookup to CNAME

2009-01-27 Thread Matus UHLAR - fantomas
> > On 23.01.09 23:06, Barry Margolin wrote: > > > Why don't you just use normal reverse DNS: > > > > > > zone for 1.1.1.in-addr.arpa > > > > > > 1 IN PTR metis.local. > > > IN PTR bob-www-sol-l01.local. > > > > accorging to the above, metis.local is a CNAME, so the > > reverse should point to

Re: Forcing a secondary update...

2009-01-27 Thread Chris Thompson
On Jan 27 2009, Barry Margolin wrote: In article , Jeff Justice wrote: Without getting into how I managed to accomplish this, I have wound up with a secondary DNS that has incorrect information in it but the serial numbers are the same as on the master. So, my question is: how can I get

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Michael van Elst
Barry Margolin writes: >customer.com. IN MX 10 mx.yourdomain.com. >mx.yourdomain.com. IN CNAME mx.outsourcer.com. >mx.outsourcer.com. IN A ... That's just the same as | customer.com. IN MX 10 mx.outsourcer.com. | mx.outsourcer.com. IN A ... except to people with half-a-knowledge about DNS quer

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Michael van Elst
"Al Stu" writes: >"No one is saying a CNAME is not permitted in response to a MX query." >Well good then, we agree. Hey troll. Go back to the shadow. You shall not pass! -- -- Michael van Elst Internet: mlel...@serpens.de "A pote

Re: What are these entries in the log file - " query: . IN NS +"?

2009-01-27 Thread Stephane Bortzmeyer
On Tue, Jan 27, 2009 at 11:50:51AM +0100, Jan Buchholz <96de...@googlemail.com> wrote a message of 38 lines which said: > i think disable queries at the root-zone for not internal networks > is another answer for this problem . Good practices about this attack (with specific BIND advice) is al

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Scott Haneda
On Jan 26, 2009, at 11:27 PM, David Ford wrote: hand because each line isn't strictly well-formed per RFC. If every vendor was as utterly asinine about absolutist conformance, sure, we'd have a lot less mess out there, but we'd have a lot less forward movement as well as a lot more fractioning

Re: What are these entries in the log file - " query: . IN NS +"?

2009-01-27 Thread Jan Buchholz
Hallo, i think disable queries at the root-zone for not internal networks is another answer for this problem . --- Jan 2009/1/27, Jukka Pakkanen : > > "Tony Toews [MVP]" kirjoitti > viestissä:... >> Noel Butler wrote: >> >> >Surely windows can block access to an inbound IP request from "some I

contacting a external nameserver

2009-01-27 Thread Luis Silva
Hi all, I'm having a question related to querying external servers that hope you could answer me. I'm sending a iterative query for an external server and the server is sending a referral answer but only with the authoritive name servers. After that, i send a query A asking the nameservers ip addr

Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

2009-01-27 Thread Mark Andrews
In message <10b3763032c94ae2ba4900b3137d1...@ahsnbw1>, "Al Stu" writes: > > The paragraph you cite regarding "LOCAL has a alias and the alias is listed > in the MX records for REMOTE..." is a peripery issue which is handled by not > doing that. Them why are you complaining? The error

Re: What are these entries in the log file - " query: . IN NS +"?

2009-01-27 Thread Jukka Pakkanen
"Tony Toews [MVP]" kirjoitti viestissä:... Noel Butler wrote: >Surely windows can block access to an inbound IP request from "some IP" >to local udp port 53 ? Not the firewall software built into Windows 2003 Server. >If not, you know what my next reply will be don't you :) Yeah, well swi