Hi,

El 16/01/23 a las 18:29, Simone Piccardi escribió:
> Package: isc-dhcp-server
> Version: 4.4.3-P1-1.1
> Severity: normal
> 
> Dear Maintainer,
> 
> 
> After upgrading from version 4.4.3-P1-1 to 4.4.3-P1-1.1 the added
> apparmor configurations block the include of files outside /etc/dhcp/,
> like DDNS TSIG keys definition that are usually installed under
> /etc/bind.

As commented in usr.sbin.dhcpd:

  # access to bind9 keys for dynamic update
  # It's expected that users will generate one key per zone and have it
  # stored in both /etc/bind9 (for bind to access) and /etc/dhcp/ddns-keys
  # (for dhcpd to access).
  /etc/dhcp/ddns-keys/** r,

See also https://wiki.debian.org/DDNS

> I can understand avoiding to read files everywhere, but the use of
> TSIG keys defined by bind with is quite a common usage, that stop
> working with misleading permission denied error for readable files.
> 
> This break previously working configurations, whitout a note in
> the changelog.
> 

Indeed, unfortunately the NMU is missing a changelog update.

Cheers,

 -- Santiago

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