#package required
     ~$ sudo apt policy curl dos2unix faketime idn rsync libnet-netmask-perl

     #IF not, install with
     ~$ sudo apt install -y curl dos2unix faketime idn rsync libnet-netmask-perl

      HOST=rpz.warnet-ersa.net
      REGEX=4
      RNDC_RELOAD=yes
      RPZ_DOM=CNAME .
      RPZ_IP4=rpz-ip CNAME .
      URLS=19
      ZONE_DIR=/etc/bind/zones-rpz

     ~$ nano +$(grep -n 'f_dft()' grab_library | cut -d: -f1) grab_library
     f_dft() {   # fallback to these default values if grab_config missing or missconfigured
        printf "\n${_wn0} ${_CYN} continued with default configurations\n" "${_foo}"
        : "${HOST:=rpz.warnet-ersa.net}"         # OR ip-address
        : "${REGEX:=2}"                          # fix number of lines grab_regex
        : "${RNDC_RELOAD:=no}"                   # yes OR no
        : "${RPZ_DOM:=CNAME .}"                  # rpz policy
        : "${RPZ_IP4:=rpz-ip CNAME .}"           #+
        : "${URLS:=19}"                          # fix number of lines grab_urls
        : "${ZONE_DIR:=/etc/bind/zones-rpz}"     # target dir for rsync
     }

     #package required
     ~$ apt policy rsync

     #IF not, install with
     ~$ apt install -y rsync

Custome bind9 PATHS
   dir: /etc/bind
   │    ├── named.conf and named.conf.{default-zones, local, logs, options, trusted-zones}
   │    ├── {bind, rndc}.keys 
   │    ├── zones.rfc1918
   │    ├── db.{0, 127, 255, empty, local}
   │    ├── symlink to /etc/bind/zones-rpz/rpz.*
   │    └── symlink to /etc/bind/zones-cnf/rpz.*
   │
   ├──  /etc/bind/zones-rpz
   │    ├── rpz.{adulta{a, b, c, d, e, f, g}, ipv4, malware, publicite, redirector, trust+aa, trust+ab, trust+ac}
   │    └── db.{adulta{a, b, c, d, e, f, g}, ipv4, malware, publicite, redirector, trust+aa, trust+ab, trust+ac}
   │
   └──  /etc/bind/zones-cnf
        ├── rpz.safe and rpz.warsa
        └── db.safe

    # on your linux desktop
    ~$ grep -n "INCLUDE" v10.4/rpz.*
    v10.4/rpz.adultaa:25:$INCLUDE "/etc/bind/zones-rpz/db.adultaa"  
    ... sliced ...

    ~$ ssh [email protected] "mkdir /etc/bind/zones-rpz"
    ~$ scp v10.4/{db,rpz}.* [email protected]:/etc/bind/zones-rpz
    ~$ ssh [email protected] "ln -s /etc/bind/zones-rpz/rpz.* /etc/bind/"

# This is the primary configuration file for the BIND DNS server named.
#
# Please read /usr/share/doc/bind9/README.Debian.gz for information on the 
# structure of BIND configuration files in Debian, *BEFORE* you customize 
# this configuration file.
# If you are just adding zones, please do that in /etc/bind/named.conf.local

# https://www.team-cymru.org/Services/Bogons/bogon-bn-agg.txt
acl "bogon" { 0/8; 100.64/10; 169.254/16; 192/24; 192.0.2/24; 198.18/15; 198.51.100/24; 203.0.113/24; 224/3; 240/4;};
acl "inter" { localhost; 192.168/16; 172.16/12; 10/8; };
include "/etc/bind/named.conf.options";
include "/etc/bind/named.conf.local";
include "/etc/bind/named.conf.logs";
include "/etc/bind/rndc.key";
controls { inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { rndc-key; }; };
server ::/0 { bogus yes; };

# Do any local configuration here
# Consider adding the 1918 zones here, if they are not used in your organization

view "trusted" {
   match-clients {inter;};
   recursion yes;
   allow-query {inter;};
   allow-query-cache {inter;};
   allow-recursion {inter;};
   allow-transfer {none;};
   response-policy {	# split in separated zone files
      zone "adultaa.domain";
      zone "adultab.domain";
      zone "adultac.domain";
      zone "adultad.domain";
      zone "adultae.domain";
      zone "adultaf.domain";
      zone "adultag.domain";
      zone "ipv4.domain";
      zone "malware.domain";
      zone "publicite.domain";
      zone "redirector.domain";
      zone "safe.domain";
      zone "trust+aa.domain";
      zone "trust+ab.domain";
      zone "trust+ac.domain";
      } break-dnssec yes qname-wait-recurse no nsip-wait-recurse no max-policy-ttl 604800;
   include "/etc/bind/zones.rfc1918";	# we don't use reverse-zone
   include "/etc/bind/named.conf.default-zones";
   include "/etc/bind/named.conf.trusted-zones";
   };

view "untrusted" chaos {
   match-clients {any;};
   recursion no;
   zone "." {type hint;file "/dev/null";};
   zone "bind" {type master;file "/etc/bind/rpz.chaos";allow-query {inter;};allow-transfer {none;};};
   };

# file name = named.conf.trusted-zones
#    pay attention to path of rpz.* files. it's a sym-link reffer to /etc/bind9/zones-{rpz,conf}/rpz.*
#    create sym-link first and check it's with 'ls -lah | grep rpz'
#
zone "adultaa.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultaa";};
zone "adultab.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultab";};
zone "adultac.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultac";};
zone "adultad.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultad";};
zone "adultae.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultae";};
zone "adultaf.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultaf";};
zone "adultag.domain" {type master;check-names ignore;file "/etc/bind/rpz.adultag";};
zone "ipv4.domain" {type master;check-names ignore;file "/etc/bind/rpz.ipv4";};
zone "malware.domain" {type master;check-names ignore;file "/etc/bind/rpz.malware";};
zone "publicite.domain" {type master;check-names ignore;file "/etc/bind/rpz.publicite";};
zone "redirector.domain" {type master;check-names ignore;file "/etc/bind/rpz.redirector";};
zone "safe.domain" {type master;check-names ignore;file "/etc/bind/rpz.safe";};
zone "trust+aa.domain" {type master;check-names ignore;file "/etc/bind/rpz.trust+aa";};
zone "trust+ab.domain" {type master;check-names ignore;file "/etc/bind/rpz.trust+ab";};
zone "trust+ac.domain" {type master;check-names ignore;file "/etc/bind/rpz.trust+ac";};
zone "warnet-ersa.net" {type master;file "/etc/bind/rpz.warsa";};