Advanced Features

perl-list perl-list at
Fri Aug 2 13:41:34 UTC 2019

If memory serves, allow creates an implicit deny such that if you allow members of laptops and desktops all others are denied... similarly, if you deny members of desktops, all others are allowed? That's what I remember, anyway. 

> From: "Sten Carlsen" <stenc at>
> To: "Users of ISC DHCP" <dhcp-users at>
> Sent: Friday, August 2, 2019 7:01:09 AM
> Subject: Re: Advanced Features

>> subnet yyyyyyyyy netmask {
>> pool {
>> range yyyyyyy yyyyyyyy;
>> allow members of "laptops";
>> allow members of "desktops";
>> deny members of "mobile";
>> deny members of "deny";
>> }

> Do be very careful when using allow AND deny in the same context. This is likely
> to produce results that are not what you might think they should be.

> Sten
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