[Freeipa-devel] [PATCH] 531 make DNS autodiscovery smarter

[Adam Young]

On 09/17/2010 09:33 PM, Rob Crittenden wrote:
> Better distinguish between when DNS discovery works and search more 
> domains.
>
> Passing domain and server on the command-line used to be considered as 
> DNS autodiscovery worked. This was problematic if there was in fact no 
> SRV records because krb5.conf would be configured without a specific 
> KDC causing all Kerberos ops to fail.
>
> Now if you pass in a domain/server it still tries to see if they are 
> discoverable and if so won't hardcode a server, but will fall back to 
> doing so if necessary.
>
> Also be a lot more aggressive on looking for the SRV records. Use the 
> search and domain values from /etc/resolv.conf on the chance that the 
> SRV records aren't in the domain of the hostname of the machine.
>
> An example of this would be if your laptop is in dhcp.example.com and 
> your company's SRV records are in corp.example.com. Searching 
> dhcp.example.com and example.com won't find the SRV records but the 
> user is likely to have corp.redhat.com in the search list, at least.
>
> rob
>
>
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ACK

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