The NZ Linux Resource

[klug] LDAP vs DNS

klug.member.lancer at xoxy.net klug.member.lancer at xoxy.net
Fri Sep 16 19:48:47 NZST 2005


Hello Nathan.

I'm not sure if there's a problem with ou email addys connecting. Sunday
morning is the one time I annot make it. Sometime on Saturday, or
perhaps Sunday afternoon would be fine. Please let me know what you
would like.

Lance.



Nathan Cook - nathan at coast-computers.co.nz wrote:

> The LDAP server will have the Router set as the DNS server, what you 
> want to make the LDAP server the DNS server, this will mean installing 
> a package (BIND is recommended), and then have it's own DNS server set 
> as the router. I have setup a similar operation and it worked a treat.
>
> I sent you an email yesterday but I doubt that it has got through to 
> you though, will try and call you about the weekend, but Sunday 
> morning is looking to be the day for me, how about you?
>
> Cheers
>
> Nathan
>
> klug.member.lancer at xoxy.net wrote:
>
>> Okay - I'm now in school. The main router for the internet (the radio 
>> hub which gaives cable internet via radio link from across the road) 
>> is 192.168.1.1
>> Is there any reason this would become an "essential" access route for 
>> LDAP to function?
>> Any reason it may cause a DNS conflict when the internet goes down?
>>
>> I don't see any reason why the LDAP server should access the internet 
>> gateway for its own function.
>>
>> Lancer.
>>
>>
>>
>> klug.member.lancer at xoxy.net wrote:
>>
>>> Seeing as the problems of LDAP going down when the internet cable is
>>> takenm out from teh school network seems to be something of a DNS 
>>> issue,
>>> I thought I'd compare the Networks settings for the clients vs the
>>> "default" ones I normally use.
>>>
>>> My defaults:
>>> IP address: 192.168.0.1 (where the last dc is 1 for computer01, 2 for
>>> the next and so on)
>>> Netmask: 255.255.255.0
>>> Default gateway (IP): 192.168.0.254
>>> Primary nameserver: 192.168.0.1 (ALWAYS - so the computers point to the
>>> same box)
>>>
>>> The network the LDAP clients are running has the following...
>>> IP address: 192.168.1.131 (computer01=131, computer02=132...)
>>> Netmask: 255.255.255.0
>>> Default gateway (IP): 192.168.1.1 <= Network guru said to change this
>>> Primary nameserver: 192.168.1.1 <= I'm questioning this.
>>>
>>> The box the actual LDAP server is on is 192.168.1.251. I'm guessing the
>>> 192.168.1.1 address is actually pointing to the internet router hub 
>>> over
>>> the road (school office) and is thereby being used as primary DNS even
>>> for LDAP, which causes connection failures once the internet ethernet
>>> cable is pulled from the LAN.
>>>
>>> I'm thinking that I should change the 192.168.1.1 instances to
>>> 192.168.1.251 to have them run from the LDAP server, however I'm not
>>> sure why the network guru would have set them up otherwise and I'm
>>> assuming he would have his reasons.
>>>
>>> Just a thought. I haven't tweaked it yet. Am I off the beaten track?
>>>
>>> Lancer.
>>>
>>>
>>>
>>> _______________________________________________
>>> KLUG mailing list
>>> KLUG at linux.net.nz
>>> http://www.linux.net.nz/cgi-bin/mailman/listinfo/klug
>>>
>>>
>>>
>>
>>
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>>
>>
>
>
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>





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