Basic Question re Security issue

Alan Clegg Alan_Clegg at isc.org
Sat Jul 26 13:02:08 UTC 2008


Alan Clegg wrote:
> Skeeve Stevens wrote:
>> After we have the latest safe code, what config changes should we be making
>> for everything to be ok?
> 
> You mean to not break what the patch fixed?
> 
> make sure you don't have a:
> 
>   udp-source port XX;
> 
> in your config.  And make sure your servers are not behind NAT devices
> that remove the randomness that you have now gained on your outbound
> queries.
And yes, it was too late and I'd been working too many hours when I
wrote the above... of course it is:

   query-source port XX;

AlanC




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