Changing output of bind

Roland Zoder rz at razfazz.at
Mon Dec 11 19:10:08 UTC 2006


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Hm,

i was told that this is exactly what it should not be.
That's a wildcard host record for one domain;
i want/need a wildcard for _all_ domains.


> I'm not sure how this ended up on nagios-users but it looks like the OP
> might just need to create a wildcard DNS record --
> 
> * 	IN	A 	195.110.192.3
> 
> Any unknown host records would then resolve to that IP.
> 
> --
> Marc
> 
> 
>>-----Original Message-----
>>From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
>>bounces at lists.sourceforge.net] On Behalf Of Andy Shellam (Mailing
> 
> Lists)
> 
>>Sent: Monday, December 11, 2006 6:52 AM
>>To: RZ; Nagios Users mailinglist
>>Subject: Re: [Nagios-users] Changing output of bind
>>
>> From my experience as a programmer, if you don't know why you're
> 
> doing
> 
>>something, it's impossible to do it correctly.
>>
>>The example you've shown us is a zone file.
>>It only returns the relevant part of the zone in answer to a query -
> 
> so
> 
>>if a user requests, "wwww.<the_domain>" they will get "wwww IN A
>>195.110.192.3" returned.
>>
>>I think what you've been asked to do is try and catch all spelling
>>errors of a request, so if user types in "wwww.yourdomain.com" instead
>>of "www.domain.com" they will get the correct record.
>>This is a different thing to rewriting the named output, and the
> 
> answer
> 
>>lies in creating additional records for each "mistake" possibility in
>>your zone file either through scripting or manual input.
>>
>>RZ wrote:
>>
>>>Hi,
>>>
>>>i'm a dns newbie but a (medium experienced) c programmer.
>>>I was told to change named output in that way that it will return
>>>something like the following example (if i remember things right it
>>>should give an authoritative answer for domains contained in a
> 
> file). I
> 
>>>_thought_ it would not be too much an effort to change the named
> 
> output
> 
>>>in an appropriate way - but at the moment i'm really lost.
>>>
>>>What the use of this ? - i honestly don't know.
>>>
>>>
>>>;      @(#)named.hosts,v 6.1 1993/08/25 16:51:44 stevea Exp -
> 
> STREAMware
> 
>>>TCP/IP  source
>>>;      SCCS IDENTIFICATION
>>>;
>>>; BIOS
>>>;
>>>
>>>@		IN SOA	ns1.web.at.	hostmaster.biosnet.at. (
>>>			2006090101      ; Serial
>>>			28800   ; Refresh
>>>			7200	; Retry
>>>			604800  ; Expire
>>>			86400)	; Minimum
>>>		IN NS	ns1.web.at.
>>>		IN NS	ns2.web.at.
>>>		IN A    195.110.192.3
>>>                IN   TXT   "v=spf1 -all"
>>>
>>>;
>>>
>>>;
>>>ww                  IN   A	195.110.192.3
>>>www                 IN   A	195.110.192.3
>>>wwww                IN   A	195.110.192.3
>>>www2                IN   A	195.110.192.3
>>>;
>>>
>>>
>>>
>>>
>>>
>>>>It might help if you explain what you're trying to achieve by doing
>>
>>this.
>>
>>>>When a host requests "www.*" then it'll be given the appropriate
>>
>>records
>>
>>>>from your zone file.
>>>
>>>
>>>>If a client requests a different host but gets "www" instead it'll
>>>>confuse things.
> 
> 

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