Raspberry Pi Secondary DNS Server: Difference between revisions

From Chorke Wiki
Jump to navigation Jump to search
Line 326: Line 326:
dig @10.19.83.5 bgd.chorke.org
dig @10.19.83.5 bgd.chorke.org
dig @10.19.83.5 apn.bgd.chorke.org
dig @10.19.83.5 apn.bgd.chorke.org
dig @10.19.83.5 ddn.bgd.chorke.org
dig @10.19.83.5 gtw.bgd.chorke.org
dig @10.19.83.5 gtw.bgd.chorke.org
</source>
</source>
Line 336: Line 335:
dig @bgd.chorke.org bgd.chorke.org
dig @bgd.chorke.org bgd.chorke.org
dig @bgd.chorke.org apn.bgd.chorke.org
dig @bgd.chorke.org apn.bgd.chorke.org
dig @bgd.chorke.org ddn.bgd.chorke.org
dig @bgd.chorke.org gtw.bgd.chorke.org
dig @bgd.chorke.org gtw.bgd.chorke.org
</source>
</source>
Line 345: Line 343:
nslookup bgd.chorke.org
nslookup bgd.chorke.org
nslookup apn.bgd.chorke.org
nslookup apn.bgd.chorke.org
nslookup ddn.bgd.chorke.org
nslookup gtw.bgd.chorke.org
nslookup gtw.bgd.chorke.org
</source>
</source>

Revision as of 10:30, 24 August 2019

Domain Information

Domain       : chorke.org
Subdomain    : bgd.chorke.org (public)
CNAME of dev : cki00.ddns.net (noip.com)

Netowrk Information

GTW : 10.19.83.1    (Gateway/Router)
DMZ : 10.19.83.5    (bgd.chorke.org  & Name server)
LAN : 10.19.83.0/24 (Private network & range 0~255)

Install

sudo su
apt update && apt upgrade
apt install bind9 bind9utils bind9-doc dnsutils
#apt purge  bind9 bind9utils bind9-doc dnsutils
#sudo apt autoremove

nano /etc/default/bind9

# run resolvconf?
RESOLVCONF=no

# startup options for the server
OPTIONS="-u bind -4"

Primary Options

nano /etc/bind/named.conf.options

acl internals {
    127.0.0.0/24;  # 0-255
    10.19.83.0/24; # 0-255
};

acl externals {
    10.19.83.0/29;  # 0-7
    !10.19.83.0/24; # 0-255
};

options {
    directory "/var/cache/bind";
    auth-nxdomain no;
    // If there is a firewall between you and nameservers you want
    // to talk to, you may need to fix the firewall to allow multiple
    // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

    listen-on port 53 {
        127.0.0.1;
        10.19.83.5;
    };

    // If your ISP provided one or more IP addresses for stable 
    // nameservers, you probably want to use them as forwarders.  
    // Uncomment the following block, and insert the addresses replacing 
    // the all-0's placeholder.

    forwarders {
        8.8.8.8;    # Google DNS
        8.8.4.4;    # Google DNS
    };

    //========================================================================
    // If BIND logs error messages about the root key being expired,
    // you will need to update your keys.  See https://www.isc.org/bind-keys
    //========================================================================
    dnssec-validation auto;

    recursion yes;
    listen-on-v6 { none; };
    allow-transfer { none; };
    allow-query { internals; };
    allow-recursion { internals; };
};

Primary Zones

nano /etc/bind/named.conf.local

include "/etc/bind/rndc.key";
zone "bgd.chorke.org" {
    type master;
    file "/etc/bind/zones/db.bgd.chorke.org";     # zone file path
    allow-update { key rndc-key; };
    allow-transfer {
        10.19.83.3;
        10.19.83.4;
    };
};

zone "83.19.10.in-addr.arpa" {
    type master;
    file "/etc/bind/zones/db.83.19.10";           # 10.19.83.0/24 subnet
    allow-update { key rndc-key; };
    allow-transfer {
        10.19.83.3;                
        10.19.83.4;             
    };
};

// consider adding the 1918 zones here
// include "/etc/bind/zones.rfc1918";

Forward Zone

mkdir /etc/bind/zones
cp /etc/bind/db.local /etc/bind/zones/db.bgd.chorke.org
nano /etc/bind/zones/db.bgd.chorke.org
;
; BIND forward data file
;
$TTL     600    ;  10M
$ORIGIN bgd.chorke.org.

@       IN      SOA     ns0.bgd.chorke.org. root.bgd.chorke.org. (
                        201908121           ; Serial       YYYYmmddI
                             3600           ; Refresh            01H
                              600           ; Retry              10M
                            86400           ; Expire             01D
                              600 )         ; Negative Cache TTL 10M
; NS Records
@       IN      NS      ns0.bgd.chorke.org.
@       IN      NS      ns1.bgd.chorke.org.
@       IN      NS      ns2.bgd.chorke.org.
@       IN      A       10.19.83.5

; A  Records Name Servers
ns0             A       10.19.83.5
ns1             A       10.19.83.3
ns2             A       10.19.83.4

; A  Records 10.19.83.0/24
apn             A       10.19.83.2
av5             A       10.19.83.9
gtw             A       10.19.83.1
mac             A       10.19.83.10
one             A       10.19.83.8
pi3             A       10.19.83.3
pih             A       10.19.83.4
piw             A       10.19.83.5
ras             A       10.19.83.12
sha             A       10.19.83.11
; CNAME
ftp             CNAME   ns0
dmz             CNAME   ns0

Reverse Zone

cp /etc/bind/db.127 /etc/bind/zones/db.83.19.10
nano /etc/bind/zones/db.83.19.10
;
; BIND reverse data file
;
$TTL     600    ; 10M
$ORIGIN 83.19.10.in-addr.arpa.

@       IN      SOA     ns0.bgd.chorke.org. root.bgd.chorke.org. (
                        201908121           ; Serial       YYYYmmddI
                             3600           ; Refresh            01H
                              600           ; Retry              10M
                            86400           ; Expire             01D
                              600 )         ; Negative Cache TTL 10M
; NS  Records
@       IN      NS      ns0.bgd.chorke.org.
@       IN      NS      ns1.bgd.chorke.org.
@       IN      NS      ns2.bgd.chorke.org.
; PTR Records
1       IN      PTR     gtw.bgd.chorke.org.
2       IN      PTR     apn.bgd.chorke.org.
3       IN      PTR     ns1.bgd.chorke.org.
3       IN      PTR     pi3.bgd.chorke.org.
4       IN      PTR     ns2.bgd.chorke.org.
4       IN      PTR     pih.bgd.chorke.org.
5       IN      PTR     dmz.bgd.chorke.org.
5       IN      PTR     ftp.bgd.chorke.org.
5       IN      PTR     ns0.bgd.chorke.org.
5       IN      PTR     piw.bgd.chorke.org.
8       IN      PTR     one.bgd.chorke.org.
9       IN      PTR     av5.bgd.chorke.org.
10      IN      PTR     mac.bgd.chorke.org.
11      IN      PTR     sha.bgd.chorke.org.
12      IN      PTR     ras.bgd.chorke.org.

Secondary Options

nano /etc/bind/named.conf.options

acl internals {
    127.0.0.0/24;  # 0-255
    10.19.83.0/24; # 0-255
};

acl externals {
    10.19.83.0/29;  # 0-7
    !10.19.83.0/24; # 0-255
};

options {
    directory "/var/cache/bind";
    auth-nxdomain no;
    // If there is a firewall between you and nameservers you want
    // to talk to, you may need to fix the firewall to allow multiple
    // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

    listen-on port 53 {
        127.0.0.1;
        10.19.83.3;
    };

    // If your ISP provided one or more IP addresses for stable
    // nameservers, you probably want to use them as forwarders.
    // Uncomment the following block, and insert the addresses replacing
    // the all-0's placeholder.

    forwarders {
        8.8.8.8;    # Google DNS
        8.8.4.4;    # Google DNS
    };

    //========================================================================
    // If BIND logs error messages about the root key being expired,
    // you will need to update your keys.  See https://www.isc.org/bind-keys
    //========================================================================
    dnssec-validation auto;

    recursion yes;
    listen-on-v6 { none; };
    allow-transfer { none; };
    allow-query { internals; };
    allow-recursion { internals; };
};

Secondary Zones

nano /etc/bind/named.conf.local

include "/etc/bind/rndc.key";
zone "bgd.chorke.org" {
    type slave;
    file "db.bgd.chorke.org";     # zone file path
    masters { 10.19.83.5; };
};

zone "83.19.10.in-addr.arpa" {
    type slave;
    file "db.83.19.10";           # 10.19.83.0/24 subnet
    masters { 10.19.83.5; };
};

// consider adding the 1918 zones here
// include "/etc/bind/zones.rfc1918";

Server

named-checkconf -z
named-checkzone bgd.chorke.org /etc/bind/zones/db.bgd.chorke.org
named-checkzone 83.19.10.in-addr.arpa /etc/bind/zones/db.83.19.10
update-rc.d bind9 enable
/etc/init.d/bind9 restart
service bind9 restart
netstat -tulpn
netstat -tap
reboot
rndc dumpdb -cache
rndc flush
rndc reload

Client

sudo nano /etc/dhcpcd.conf

# Chorke Academia, Inc.
#static domain_name_servers=10.19.83.5 10.19.83.1
static domain_search=bgd.chorke.org
#static host_name=pih
sudo systemctl restart dhcpcd
sudo systemctl daemon-reload

Debug

@rem clear windows dns cache
ipconfig /flushdns
ipconfig /displaydns
# clear macos dns cache
sudo killall -HUP mDNSResponder
# clear ubuntu dns cache
sudo systemd-resolve --flush-caches
sudo systemd-resolve --statistics
#sudo /etc/init.d/dns-clean start
#from local area network
dig @10.19.83.5 chorke.org
dig @10.19.83.5 bgd.chorke.org
dig @10.19.83.5 apn.bgd.chorke.org
dig @10.19.83.5 gtw.bgd.chorke.org
#from horizon/world wide 
dig @bgd.chorke.org chorke.org
dig @bgd.chorke.org -x 10.19.83.1
dig @bgd.chorke.org bgd.chorke.org
dig @bgd.chorke.org apn.bgd.chorke.org
dig @bgd.chorke.org gtw.bgd.chorke.org
#from lan only
nslookup chorke.org
nslookup bgd.chorke.org
nslookup apn.bgd.chorke.org
nslookup gtw.bgd.chorke.org

References