Re: View selection via TSIG

2009-08-19 Thread Mark Andrews

In message 6913b169-0b0e-42e0-bc30-92d188036...@tcbug.org, Josh Paetzel write
s:
 
 On Aug 19, 2009, at 11:07 AM, Kirk wrote:
 
 
  logging {
 channel my_log {
 file /var/log/bind/named.log versions 3 size 5m;
 severity warning;
 print-time yes;
 print-severity yes;
 print-category yes;
 };
 category notify {
 my_log;
 };
  };
  I've changed the category to default to make sure that it can log  
  that and it can.
  Thanks,
  Josh Paetzel
 
  Josh,
 
  I can't answer your question about views, but here is the pertinent  
  logging statements I am using and seems to work.
 
  channel notify {
  file logs/notify_log versions 2 size 1m;
  print-time yes;
  };
  category notify { notify; };
 
  If you are running chroot you might wanna verify that named can log  
  to the directory you listed in your logging statement.
 
 
 
 Thanks.  That worked, and I was quickly able to see what I was doing  
 wrong.  My primary nameserver was matching an IP in one of the  
 views.   So all the notifies were seen by slave as being in that one  
 view.  IPs override keys.

Acl matches are order sensitive.  The !key is in the examples to prevent
the signed message matching the view and moving onto the next one.
 
 Issue solved, thanks everyone who helped.
 
 Thanks,
 
 Josh Paetzel
 
 
 
 
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Re: View selection via TSIG

2009-08-19 Thread Josh Paetzel


On Aug 19, 2009, at 6:30 PM, Mark Andrews wrote:


Thanks.  That worked, and I was quickly able to see what I was doing
wrong.  My primary nameserver was matching an IP in one of the
views.   So all the notifies were seen by slave as being in that one
view.  IPs override keys.


Acl matches are order sensitive.  The !key is in the examples to  
prevent

the signed message matching the view and moving onto the next one.



Ok, that makes even more sense.  I was getting what appeared to be  
very non-deterministic behavior, but well, of course, once you know  
the rules it makes a lot of sense.



In my case with multiple views and multiple keys..

{ subnet A; key A;};
{ subnet B; key B;};
{subnet C; key C;};
{subnet D; key D}:

If the server was in subnet C, and used key A or B it would work fine,  
but just by coincidence.  Key C would work too, once again, by  
coincidence...but key D...boom.


Anyways, it's working great now.  Thanks to everyone who helped.

Thanks,

Josh Paetzel




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Re: View selection via TSIG

2009-08-17 Thread Josh Paetzel


On Aug 16, 2009, at 12:26 AM, Mark Andrews wrote:



In message 5ea10b89-4650-4f82-a41d-cb511ce2a...@tcbug.org, Josh  
Paetzel write

s:

I've googled a bit and been unable to find the solution that I need.

I have a master nameserver that has 4 views configured.  I have a
slave for this that is currently using 4 IPs to slave the views.   
This

works fairly well, except that the slave server is unable to handle
NOTIFY from the master.  So when I do an update to a zone I have to
stop the slave, delete it's cache files, and restart it.  The slave  
is
able to properly load zones, since it uses the correct IPs to  
transfer

the zones, and it gets the right views, all is well.

I've read that BIND 9.3 can use TSIG for view selection, but all I've
ben able to find is using TSIG for one view, and no TSIG for the  
other

view.  What I would like to do is configure four separate TSIG keys
and do view selection based on which key is used.

Is this possible?  And where can I find documentation on it?


Yes.  Read the FAQ.



I read the FAQ, and there was a question entitled How to share a  
dynamic zone between multiple views? that seemed to get me most of  
the way there.  I am now running my slave nameserver on one IP, and  
zones transfers seem to work fine.  NOTIFY also seems to work for  
every view but the external view.  This is somewhat perplexing to me.   
Tomorrow I plan on turning on logging for NOTIFY to see if I can at  
least determine what is going on.


If you have any tips or common gotchas feel free to let me know.

Thanks,

Josh Paetzel




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Re: View selection via TSIG

2009-08-17 Thread Mark Andrews

In message 96123fb1-1f2e-493c-bbb8-24a86a1dd...@tcbug.org, Josh Paetzel write
s:
 
 On Aug 16, 2009, at 12:26 AM, Mark Andrews wrote:
 
 
  In message 5ea10b89-4650-4f82-a41d-cb511ce2a...@tcbug.org, Josh  
  Paetzel write
  s:
  I've googled a bit and been unable to find the solution that I need.
 
  I have a master nameserver that has 4 views configured.  I have a
  slave for this that is currently using 4 IPs to slave the views.   
  This
  works fairly well, except that the slave server is unable to handle
  NOTIFY from the master.  So when I do an update to a zone I have to
  stop the slave, delete it's cache files, and restart it.  The slave  
  is
  able to properly load zones, since it uses the correct IPs to  
  transfer
  the zones, and it gets the right views, all is well.
 
  I've read that BIND 9.3 can use TSIG for view selection, but all I've
  ben able to find is using TSIG for one view, and no TSIG for the  
  other
  view.  What I would like to do is configure four separate TSIG keys
  and do view selection based on which key is used.
 
  Is this possible?  And where can I find documentation on it?
 
  Yes.  Read the FAQ.
 
 
 I read the FAQ, and there was a question entitled How to share a  
 dynamic zone between multiple views? that seemed to get me most of  
 the way there.  I am now running my slave nameserver on one IP, and  
 zones transfers seem to work fine.  NOTIFY also seems to work for  
 every view but the external view.  This is somewhat perplexing to me.   
 Tomorrow I plan on turning on logging for NOTIFY to see if I can at  
 least determine what is going on.
 
 If you have any tips or common gotchas feel free to let me know.
 
 Thanks,
 
 Josh Paetzel

You need to make the notify go to the correct view by using
appropriate server clauses at the view level.  It's a matter
of making what the master sends match what the client expects.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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View selection via TSIG

2009-08-15 Thread Josh Paetzel

I've googled a bit and been unable to find the solution that I need.

I have a master nameserver that has 4 views configured.  I have a  
slave for this that is currently using 4 IPs to slave the views.  This  
works fairly well, except that the slave server is unable to handle  
NOTIFY from the master.  So when I do an update to a zone I have to  
stop the slave, delete it's cache files, and restart it.  The slave is  
able to properly load zones, since it uses the correct IPs to transfer  
the zones, and it gets the right views, all is well.


I've read that BIND 9.3 can use TSIG for view selection, but all I've  
ben able to find is using TSIG for one view, and no TSIG for the other  
view.  What I would like to do is configure four separate TSIG keys  
and do view selection based on which key is used.


Is this possible?  And where can I find documentation on it?

# named -v
BIND 9.4.3-P2

I'm also willing to other solutions, or providing a look in to my  
configuration if BIND should be able to handle the NOTIFYs


Thanks,

Josh Paetzel




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Re: View selection via TSIG

2009-08-15 Thread Mark Andrews

In message 5ea10b89-4650-4f82-a41d-cb511ce2a...@tcbug.org, Josh Paetzel write
s:
 I've googled a bit and been unable to find the solution that I need.
 
 I have a master nameserver that has 4 views configured.  I have a  
 slave for this that is currently using 4 IPs to slave the views.  This  
 works fairly well, except that the slave server is unable to handle  
 NOTIFY from the master.  So when I do an update to a zone I have to  
 stop the slave, delete it's cache files, and restart it.  The slave is  
 able to properly load zones, since it uses the correct IPs to transfer  
 the zones, and it gets the right views, all is well.
 
 I've read that BIND 9.3 can use TSIG for view selection, but all I've  
 ben able to find is using TSIG for one view, and no TSIG for the other  
 view.  What I would like to do is configure four separate TSIG keys  
 and do view selection based on which key is used.
 
 Is this possible?  And where can I find documentation on it?

Yes.  Read the FAQ.
 
 # named -v
 BIND 9.4.3-P2
 
 I'm also willing to other solutions, or providing a look in to my  
 configuration if BIND should be able to handle the NOTIFYs
 
 Thanks,
 
 Josh Paetzel
 
 
 
 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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