[Dnsmasq-discuss] priority of local= and ipset=

Justin cattyhouse at gmail.com
Fri Jan 7 06:08:56 UTC 2022


thanks Simon

another related question

1)

if i have 6000 domains, do i write 6000 lines of local=/domain/8.8.8.8, or
do i write

local=/domain1/2/3/.../8.8.8.8

which one is faster for dnsmasq to locate and assign the nameserver?

2)

btw, how much time does it take for dnsmasq  ( 2.86 here) to locate one
domain from 100,000 domains in conf-file in the form of local= or ipset=?

3)

the search speed for local= and ipset= are the same? i mean do they use the
same algo?



On Fri, Jan 7, 2022 at 07:46 Simon Kelley <simon at thekelleys.org.uk> wrote:

> repeating a domain in --server (or --local) is sensible and dnsmasq will
> use some or all of the servers for an individual query, depending on
> unknowable stuff.
>
> You would imagine that
>
> ipset=/google.com/one
> ipset=/google.com/two
>
> would be equivalent to the documented
>
> ipset=/google.com/one,two
>
> but clearly it isn't. The advice is to stick to the documented way of
> expressing those semantics, I guess.
>
>
> Cheers,
> Simon.
>
>
>
> On 04/01/2022 07:55, Justin wrote:
> > I just did some test. looks like the 'google.com' will be send to both
> > 1.1.1.1 and 8.8.8.8. but the all the resolved ip address will only be
> > added to ipset 'one'
> >
> > On Tue, Jan 4, 2022 at 2:20 PM Justin <cattyhouse at gmail.com> wrote:
> >>
> >> Hello
> >> i have settings in the order like this in dnsmasq.conf
> >>
> >> local=/google.com/1.1.1.1
> >> local=/google.com/8.8.8.8
> >> ipset=/google.com/one
> >> ipset=/google.com/two
> >>
> >> what is the behavior of dnsmasq? which nameserver will be uses to
> >> resolve google.com and which set name will the resolved ip of
> >> google.com be added to?
> >>
> >> thanks.
> >
> > _______________________________________________
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> > Dnsmasq-discuss at lists.thekelleys.org.uk
> > https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
> >
>
>
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-- 

Regards
Justin He
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