Protecting bind from DNS cache poisoning!!!

Matus UHLAR - fantomas uhlar at fantomas.sk
Mon Aug 9 12:44:02 UTC 2010


>>>> Allow bind to use as wide a range of port numbers as possible for UDP
>>>> traffic.
>>
>> On 09.08.10 17:14, Shiva Raman wrote:
>>> Yes this is allowed in the firewall.
>>
>> note that bind also should not have "port" potion in query-source statement.

On 09.08.10 14:08, Wolfgang Solfrank wrote:
> In addition, be carefull with the use of NAT on your firewall.  This will
> probably unrandomize the port numbers on your outgoing requests.

this was mentioned in previous e-mail, I added that the BIND should also be
properly configured  ;-)

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