[Dnsmasq-discuss] [BUG] Bogus IP address in the syslog messages
Sergei Zhirikov
sfzhi at yahoo.com
Thu Feb 25 20:30:22 GMT 2010
On 2010-02-20 17:21, Simon Kelley wrote:
> Sergei Zhirikov wrote:
>>
>> As I said, there is only one IP address. I have also used tcpdump to
>> watch both DHCP and DNS communication. The address 216.230.6.8 does
>> not show up anywhere. (As a sidenote: I found it a bit surprising
>> that despite "not giving name wafer ..." dnsmasq returns that same
>> host name in the DHCPACK message to the client)
>
> The name didn't go into the DNS, but it's still what the client is
> called or called itself in the DHCP transaction, and the name is matched
> against dhcp-host lines, so it's useful information to have.
>
Yes, it is certainly useful information. But I don't think it is wise to return it to the client. Doing that makes the client believe that it can be reached from the outside at the host name it has requested, while that is not true.
--
Sergei.
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