[kea-dev] boot-unknown-clients equivalent?

[Philip Prindeville]

In this case, the local configuration was already using "boot-unknown-clients false;" so I don't think there's any (additional) risk.

How does one invoke that inside a subnet section?



> On Apr 30, 2023, at 4:48 AM, Peter Davies <peterd at isc.org> wrote:
> 
> Hi Philip,
> 
>   If you only employ host reservations, then the built-in "KNOW" class may be use to restrict clients.
> 
> For example:
> 
>    "client-classes": [{
>            "name": "DROP",
>            "test": "not member('KNOWN')"} ],
> 
> ...
> 
> I advise caution, as this will drop all packet that are not associated with a host reservation.
> 
> /Peter
> 
> 
> On 25/04/2023 03.46, Philip Prindeville wrote:
>> Hi,
>> 
>> I'm trying to port the isc-dhcp support in OpenWrt to migrate to Kea transparently.
>> 
>> I've tried to use keama to show me what the synthesized configs should look like, but there's a lot that keama doesn't handle that seems to be in the scope of what Kea is capable of.
>> 
>> For instance, "boot-unknown-clients false;" can be handled using the DROP class an not(member(KNOWN)) but I can't figure out the exact notation.
>> 
>> Can someone point me at an example?  I couldn't turn one up via google.
>> 
>> BTW, the existing code to take UCI config blocks and synthesize dhcpd.conf lives here:
>> 
>> https://github.com/openwrt/packages/blob/master/net/isc-dhcp/files/dhcpd.init
>> 
>> Thanks,
>> 
>> -Philip
>> 
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