How to configure , dig command support +subnet

[徐娅]

25-Nov-2022 23:30:32.924 running on Linux x86_64
3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 202025-Nov-2022
23:30:32.924 built with  '--prefix=/usr/local/bind-9.18.9'
'--enable-largefile' '--enable-epoll' '--enable-full-report'
'--disable-doh' '--enable-dnsrps-dl' '--enable-dnsrps'25-Nov-2022
23:30:32.924 running as: named -c named.conf -fg25-Nov-2022
23:30:32.924 compiled by GCC 4.8.5 20150623 (Red Hat
4.8.5-39)25-Nov-2022 23:30:32.924 compiled with OpenSSL version:
OpenSSL 1.0.2k-fips  26 Jan 201725-Nov-2022 23:30:32.924 linked to
OpenSSL version: OpenSSL 1.0.2k-fips  26 Jan 201725-Nov-2022
23:30:32.924 compiled with zlib version: 1.2.725-Nov-2022 23:30:32.924
linked to zlib version: 1.2.725-Nov-2022 23:30:32.924
----------------------------------------------------25-Nov-2022
23:30:32.924 BIND 9 is maintained by Internet Systems
Consortium,25-Nov-2022 23:30:32.924 Inc. (ISC), a non-profit 501(c)(3)
public-benefit25-Nov-2022 23:30:32.924 corporation.  Support and
training for BIND 9 are25-Nov-2022 23:30:32.924 available at
https://www.isc.org/support



# cat named.conf... ...... ...options {    listen-on    port 353 {
any; };    listen-on-v6 port 353 { any; };    directory
"/root/edns/named";    allow-query     {	any;    };    allow-recursion
{	any;    };    empty-zones-enable no;    pid-file
"/root/edns/named/run/named.pid";};view "aaa" {    match-clients {
10.105.0.0/16;   };    zone "abc.com" {        type master;
file "aaa/abc.com";    };};view "bbb" {    match-clients {
10.106.0.0/26;   };    zone "abc.com" {        type master;
file "bbb/abc.com";    };};view "idc-default" {    match-clients {
any;  };    zone "abc.com" {        type master;        file
"any/abc.com";    };};# cat named/aaa/abc.com... ...www 600 IN TXT
aaa# cat named/bbb/abc.comwww 600 IN TXT bbb# cat named/ccc/abc.comwww
600 IN TXT ccc


# dig @127.0.0.1 -p 353 txt.abc.com txt +subnet=10.105.2.2; <<>> DiG
9.18.9 <<>> @127.0.0.1 -p 353 txt.abc.com txt +subnet=10.105.2.2; (1
server found);; global options: +cmd;; Got answer:;; ->>HEADER<<-
opcode: QUERY, status: NOERROR, id: 7948;; flags: qr aa rd ra; QUERY:
1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:; EDNS:
version: 0, flags:; udp: 1232; COOKIE:
075abe1b7a9c177a010000006380ded9dc3ca0fc1bae43d4 (good);
CLIENT-SUBNET: 10.105.2.2/32/0;; QUESTION
SECTION:;txt.abc.com.			IN	TXT;; ANSWER
SECTION:txt.abc.com.		600	IN	TXT	"any";; Query time: 1 msec;; SERVER:
127.0.0.1#353(127.0.0.1) (UDP);; WHEN: Fri Nov 25 23:27:21 CST 2022;;
MSG SIZE  rcvd: 99

I expect +subnet=10.105.2.2, return *aaa*, but returned any

# dig @127.0.0.1 -p 353 txt.abc.com txt +subnet=10.105.2.2any

I expect +subnet=10.106.3.3, return *bbb*, but returned any

# dig @127.0.0.1 -p 353 txt.abc.com txt +subnet=10.106.3.3any


How do I change named.conf?
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