Question

GoeDNS for slave server

Asked by: remeshk

Hi,

I have setup a GeoDNS server using  multiple view concept. I have done the setup but my problem is when I do a update in one view this wont replicate in slave server view.

Master Server IP address is  :  192.168.30.238

Slave I have added few IP address : 192.168.30.251; 192.168.30.247; 192.168.30.253


Please find the below configuration files.


--

Master server Named.conf file.

acl internal {
192.168.30.0/24;
};

acl intranet {
192.168.20.0/24;
};


view "internal"
        { match-clients { !192.168.30.253; !192.168.30.251; internal; };

zone "." {
        type hint;
        file "internal/named.ca";
};

zone "test.org" {
        type master;
        file "internal/db.test.org";
        allow-transfer { 192.168.30.251; 192.168.30.247; 192.168.30.253; };
        allow-update { none; };
        notify   yes ;
};

};

view "intranet"
        { match-clients { !192.168.30.253; !192.168.30.251; intranet; };

zone "." {
        type hint;
        file "intranet/named.ca";
};

zone "test.org" {
        type master;
        file "intranet/db.test.org";
        allow-transfer { 192.168.30.251; 192.168.30.247; 192.168.30.253; };
        allow-update { none; };
        notify   yes ;
};

};

view "any"
        { match-clients { any; };

zone "." {
        type hint;
        file "any/named.ca";
};

zone "test.org" {
        type master;
        file "any/db.test.org";
        allow-transfer { 192.168.30.251; 192.168.30.247; 192.168.30.253; };
        allow-update { none; };
        notify   yes ;
};

};


=============



Slave server named.conf file



acl internal {
192.168.30.0/24;
};

acl intranet {
192.168.20.0/24;
};

view internal {
match-clients {  internal; };

zone "." IN {
        type hint;
        file "internal/named.ca";
};
zone "test.org" {
        type slave;
        masters {192.168.30.238; };
        transfer-source 192.168.30.247;
        file "internal/secondary/db.test.org";
};
};

view intranet {
match-clients {  intranet; };

zone "." IN {
        type hint;
        file "intranet/named.ca";
};
zone "test.org" {
        type slave;
        masters {192.168.30.238; };
        transfer-source 192.168.30.247;
        file "intranet/secondary/db.test.org";
};
};

view any {
match-clients {  any; };

zone "." IN {
        type hint;
        file "any/named.ca";
};
zone "test.org" {
        type slave;
        masters {192.168.30.238; };
        transfer-source 192.168.30.247;
        file "any/secondary/db.test.org";
};
};


===================




My problem is when I am doing a change in Master server this will only update to "any" view.

If I do change in internal or intranet view this will not replicate to slave.

I followed the below document

http://www.oreillynet.com/pub/a/oreilly/networking/news/views_0501.html

Please help me to resolve this issue as I have to complete this task soon.



Ram.

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Asked On
2009-10-30 at 09:28:13ID24858631
Tags

Linux

,

DNS

Topics

Linux Networking

,

Domain Name Service (DNS)

,

Linux Setup

Participating Experts
1
Points
125
Comments
7

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Answers

 

by: RedimidoPosted on 2009-10-30 at 23:22:32ID: 25708700

I would say you need to add the ip address of the master server to the match statement, or it will never reach the zone.
like in:
--------------------------------------------------------------
view intranet {
match-clients { 192.168.30.238; intranet; };
...
}
--------------------------------------------------------------




however, the view internal should work since you are adding the internal acl which includes the ip 192.168.30.238 in its range.

----

All in all, I leaved the views approach behind to be used ONLY when I wanted the same domain to answer differently internally than externally.

for all other things I use the  approach of using the allow-query for each zone, which results in a simpler setup.

something like
--------------------------------------------------------------
zone "bind" chaos {
    type master;
    file "db.bind";
    allow-query { localnets; };
};
--------------------------------------------------------------

 

by: remeshkPosted on 2009-10-31 at 10:24:02ID: 25710549

Hi Redimido,

Thank you for your comments.  I have added the master IP address " match-clients { 192.168.30.238; intranet; }; "  to my slave server named.conf file. But still its not working. You are right the view internal  is working as this IP address is enabled.  After adding  " match-clients { 192.168.30.238; intranet; }; " to my slave configuration file I am unable to update both views and the log shows view intranet and internal is up to date.  Please help me to resolve this issue.  

Thanks in advance.

Ram

 

by: RedimidoPosted on 2009-10-31 at 20:30:15ID: 25712513

did you updated the serial number on the master zone file? if you do not increase the serial number, named will never send the updates to the slave servers.

 

by: remeshkPosted on 2009-10-31 at 21:19:23ID: 25712596

I have updated the serial number and I can see in the logs in master server that

 zone geodns.org/IN/maa: sending notifies (serial 2009102808)
Oct 31 11:12:27 bagvapp named[5700]: zone geodns.co.in/IN/intranet: sending notifies (serial 2009102808)
Oct 31 11:12:27 bagvapp named[5700]: zone geodns.co.in/IN/internal: sending notifies (serial 2009102807)
Oct 31 11:12:27 bagvapp named[5700]: zone geodns.co.in/IN/any: sending notifies (serial 2009102804)
Oct 31 11:12:27 bagvapp named[5700]: zone geodns.org/IN/internal: sending notifies (serial 2009102806)
Oct 31 11:12:27 bagvapp named[5700]: zone geodns.org/IN/any: sending notifies (serial 2009102806)



and Slave server side logs show .


Oct 31 15:47:45 omdemo last message repeated 2 times
Oct 31 15:48:41 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.org'
Oct 31 15:48:41 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:48:41 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:48:41 omdemo named[22147]: zone geodns.co.in/IN/intranet: notify from 192.168.30.238#37052: refresh in progress, refresh check queued
Oct 31 15:48:41 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:48:41 omdemo named[22147]: zone geodns.co.in/IN/intranet: notify from 192.168.30.238#37052: zone is up to date
Oct 31 15:48:42 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.org'
Oct 31 15:48:42 omdemo named[22147]: zone geodns.org/IN/intranet: notify from 192.168.30.238#37052: zone is up to date
Oct 31 15:48:42 omdemo named[22147]: client 192.168.30.238#37052: view intranet: received notify for zone 'geodns.org'
Oct 31 15:48:42 omdemo named[22147]: zone geodns.org/IN/intranet: notify from 192.168.30.238#37052: zone is up to date
Oct 31 15:49:25 omdemo named[22147]: client 192.168.30.238#41213: view intranet: received notify for zone 'geodns.org'
Oct 31 15:49:25 omdemo named[22147]: client 192.168.30.238#41213: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:49:25 omdemo last message repeated 2 times
Oct 31 15:49:25 omdemo named[22147]: zone geodns.co.in/IN/intranet: notify from 192.168.30.238#41213: zone is up to date
Oct 31 15:49:26 omdemo named[22147]: client 192.168.30.238#41213: view intranet: received notify for zone 'geodns.org'
Oct 31 15:49:26 omdemo named[22147]: zone geodns.org/IN/intranet: notify from 192.168.30.238#41213: zone is up to date
Oct 31 15:49:26 omdemo named[22147]: client 192.168.30.238#41213: view intranet: received notify for zone 'geodns.org'
Oct 31 15:49:26 omdemo named[22147]: zone geodns.org/IN/intranet: notify from 192.168.30.238#41213: zone is up to date
Oct 31 15:52:40 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.org'
Oct 31 15:52:41 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:52:41 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:52:41 omdemo named[22147]: zone geodns.co.in/IN/intranet: notify from 192.168.30.238#53738: refresh in progress, refresh check queued
Oct 31 15:52:41 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.co.in'
Oct 31 15:52:41 omdemo named[22147]: zone geodns.co.in/IN/intranet: notify from 192.168.30.238#53738: zone is up to date
Oct 31 15:52:41 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.org'
Oct 31 15:52:41 omdemo named[22147]: client 192.168.30.238#53738: view intranet: received notify for zone 'geodns.org'



--


Here I can see only view intranet logs in slave side.  Please help me and also let me know If I need to update any more information..

Thank you



 

by: remeshkPosted on 2009-11-01 at 20:55:43ID: 25717131

may I know why this question  is Neglected?

 

by: remeshkPosted on 2009-11-06 at 07:56:16ID: 25760215

Hi,

My View setting is working now after configuring multiple IP address for Master and Slave server.

I have followed the below link and got solution.  But I dont know why this question is negleted in this forum.

Anyway thanks for all to look in to this.

Thanks a lot Mark, who was answered this question in google group.

http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/c7cab454827f9410/02f6788343124214?lnk=gst&q=view+configuration#02f6788343124214


Regards,
Ram.

 

by: remeshkPosted on 2009-11-06 at 07:58:08ID: 31648102

My View setting is working now after configuring multiple IP address for Master and Slave server.

I have followed the below link and got solution.  But I dont know why this question is negleted in this forum.

Anyway thanks for all to look in to this.

Thanks a lot Mark, who was answered this question in google group.

http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/c7cab454827f9410/02f6788343124214?lnk=gst&q=view+configuration#02f6788343124214

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