What does error (acl) mean?

[Ralf Hildebrandt]

On Mon, Mar 27, 2000 at 10:04:13PM +0200, Ulrich Wisser wrote:

> 23-Mar-2000 10:42:48.684 security: notice: unapproved AXFR from 
> [62.156.153.47].54864 for 0.8.25.194.in-addr.arpa" (not auth)

62.156.153.47 is not authorized to transfer the zone
 
> 27-Mar-2000 18:02:48.332 security: notice: unapproved AXFR from 
> [194.25.0.89].36110 for "luna-park.net" (acl)
> 
> What does the second message try to tell me? I don't understand
> what "(acl)" means?

http://www.acmebw.com/askmrdns/bind-messages.htm

Indicates that your name server denied a zone transfer of the zone
luna-park.net to the host at IP address 194.25.0.89 because of a local
access list (acl).

>         allow-transfer{ 194.25.0.125;       # pns.dtag.de
>                         129.70.132.100;     # techfac.techfak.uni-bielefeld.de
>                         194.25.0.121;       # Reverse Nameserver
>                         194.25.1.113;       # Diagnose DTAG ZID Muenster
>                         194.25.15.217;      # Diagnose DTAG NOC
>                         62.156.152.59;      # Diagnose DTAG NIC
>                         62.156.153.47;      # Nameservertest DTAG NIC
>                         62.156.145.80;      # Nameservertest DTAG NIC                      
>                       };

Also 194.25.0.89 sehe ich da nicht...
So how is 194.25.0.89 supposed to be allowed ?