[Dnsmasq-discuss] dnsmasq: dhcp-server with disabled dns-server: /etc/hosts ignored

[Matus UHLAR - fantomas]

>On 21/10/2022 22:23, Michael Traxler wrote:
>>When you disable the DNS-server via
>>port=0
>>
>>the /etc/hosts file is ignored and also the
>>addn-hosts=<fn>
>>is ignored.

On 31.10.22 21:07, Simon Kelley wrote:
>It's at least a documentation bug. I think the reasoning behind the 
>behaviour is that setting port=0 disables all the DNS functionality, 
>which can be useful for its own sake, but also saves machine 
>resources; no memory is allocated for cache and all the configuration 
>infrastructure for DNS is not initialised, hence /etc/hosts doesn't 
>get read.
>
>It would be trivial to remove half a dozen "if (port != 0) {   }" 
>lines from the code, and have all of the DNS stuff still live apart 
>from actually listening on port 53, but that's not necessarily an 
>improvement. There's not increase in functionality, since the same 
>behaviour can be configured simply by adding the the addresses to the 
>dhcp-host lines and that works with the existing code even when port=0 
>is set.
>
>
>My feeling is that the best fix to this is a heads-up in the man page, 
>but I'm happy to entertain arguments to the contrary.

I believe that /etc/hosts is generic database which is used for name<->IP 
mapping wherever it's needed. This should imho include static DHCP 
configuration.

I also believe that the resources part is not important nowadays.

-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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