Dnsmasq : Install2023/12/21 |
Install Dnsmasq which is the lightweight DNS forwarder and DHCP Server Software.
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[1] | Install Dnsmasq. |
root@dlp:~ # pkg install -y dnsmasq
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[2] | Configure Dnsmasq. |
root@dlp:~ #
vi /usr/local/etc/dnsmasq.conf # line 19 : uncomment # never forward plain names domain-needed # line 21 : uncomment # never forward addresses in the non-routed address spaces bogus-priv # line 53 : uncomment # query with each server strictly in the order in resolv.conf strict-order # line 67 : add setting if you need # query the specific domain name to the specific DNS server # the example follows means query [server.education] domain to the [10.0.0.10] server
server=/server.education/10.0.0.10
# line 145 : uncomment to add domain name on hostname automatically expand-hosts # line 155 : add to set domain name
domain=srv.world
echo 'dnsmasq_enable="YES"' >> /etc/rc.conf root@dlp:~ # service dnsmasq start |
[3] | For DNS records, add them in [/etc/hosts]. Then, Dnsmasq will answer to queries from clients. |
root@dlp:~ #
vi /etc/hosts # add DNS entries 10.0.0.30 dlp.srv.world dlp 10.0.0.31 www.srv.world wwwroot@dlp:~ # service dnsmasq reload |
[4] | Verify Name or Address Resolution from a client host in your network. |
root@node01:~ #
vi /etc/resolv.conf # change DNS setting to refer to Dnsmasq Server
nameserver 10.0.0.30
root@node01:~ # dig dlp.srv.world. ; <<>> DiG 9.18.20 <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58792 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;dlp.srv.world. IN A ;; ANSWER SECTION: dlp.srv.world. 0 IN A 10.0.0.30 ;; Query time: 0 msec ;; SERVER: 10.0.0.30#53(10.0.0.30) (UDP) ;; WHEN: Thu Dec 21 10:28:46 JST 2023 ;; MSG SIZE rcvd: 58root@node01:~ # dig -x 10.0.0.31 ; <<>> DiG 9.18.20 <<>> -x 10.0.0.31 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 720 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;31.0.0.10.in-addr.arpa. IN PTR ;; ANSWER SECTION: 31.0.0.10.in-addr.arpa. 0 IN PTR www.srv.world. ;; Query time: 0 msec ;; SERVER: 10.0.0.30#53(10.0.0.30) (UDP) ;; WHEN: Thu Dec 21 10:29:31 JST 2023 ;; MSG SIZE rcvd: 78 |
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