On 25/1/25 10:01, Greg Choules wrote:
I just looked in the source for 9.0.0, released nearly 25 years ago,
to see what was there because I was curious. There is no file called
“db.local": here’s the link if you want to check for yourself:
https://downloads.isc.org/isc/bind9/9.0.0/ Every release since then is
also available to download, should you want to check them all.
So the fact that you *do* have a file called “db.local", I think means
nothing. Anyone could have created that for some purpose only they
knew at the time.
ftr ubuntu also ships bind with a db.local file
$ cat /etc/bind/db.local
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA localhost. root.localhost. (
2 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
@ IN NS localhost.
@ IN A 127.0.0.1
@ IN AAAA ::1
$ ls /etc/bind
total 76K
drwxr-sr-x 2 root bind 4.0K Jan 11 08:25 ./
drwxr-xr-x 132 root root 12K Jan 25 09:29 ../
-rw-r--r-- 1 root root 2.4K Jul 17 2024 bind.keys
-rw-r--r-- 1 root root 237 Dec 17 2019 db.0
-rw-r--r-- 1 root root 271 Dec 17 2019 db.127
-rw-r--r-- 1 root root 237 Dec 17 2019 db.255
-rw-r--r-- 1 root root 353 Dec 17 2019 db.empty
-rw-r--r-- 1 root root 270 Dec 17 2019 db.local
-rw-r--r-- 1 root bind 463 Dec 17 2019 named.conf
-rw-r--r-- 1 root bind 498 Dec 17 2019 named.conf.default-zones
-rw-r--r-- 1 root bind 7.4K Dec 29 09:17 named.conf.local
-rw-r--r-- 1 root bind 1.3K Oct 10 09:02 named.conf.options
-rw-r----- 1 bind bind 100 Feb 20 2021 rndc.key
-rw-r--r-- 1 root root 1.3K Dec 17 2019 zones.rfc1918
$ uname -a
Linux example.com 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28
UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
don't know how that helps but a few distributions seem to ship db.local
cheers phil
C:\MyProgs\BIND\etc>more db.local
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA localhost. root.localhost. (
2 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
@ IN NS localhost.
@ IN A 127.0.0.1
@ IN AAAA ::1
C:\MyProgs\BIND\etc>
and here's my modified copy of db.local on my Debian machine (I added
the two wildcard lines for .localhost.)
lee@spot /etc/bind
$ cat db.local
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA localhost. root.localhost. (
3 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
@ IN NS localhost.
@ IN A 127.0.0.1
@ IN AAAA ::1
* IN A 127.0.0.1
IN AAAA ::1
lee@spot /etc/bind
$ dig +short foo.bar.localhost aaaa
::1
lee@spot /etc/bind
$ grep db.local *
named.conf.default-zones: file "/etc/bind/db.local";
lee@spot /etc/bind
$
Regards,
Lee
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