The NZ Linux Resource

[klug] LDAP vs DNS

Nathan Cook nathan at coast-computers.co.nz
Fri Sep 16 22:18:04 NZST 2005


2pm Saturday would suit me, meet you at the school.

Regards

Nathan

klug.member.lancer at xoxy.net wrote:

> 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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