configuraciondns
DESCRIPTION
ccvcvTRANSCRIPT
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INSTITUTO DE EDUCACION SUPERIOR
EL MEJOR INSTITUTO
LUMNO: Valentín Vergaray Florentino Cayetano
SPECIALIDAD: Computación E
Informática
ODIGO: 36107 CI.
ROFESOR:
URSO: Linux
URNO: Noche
EMA: CONFIGURACION SERVIDOR DNS
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26 de febrero
de 2012 CONFIGURACION DEL SERVIDOR DNS (LINUX-CENTOS
A l u m n o : V a l e n t í n V e r g a r a y F l o r e n t i n o C a y e t a n o
Página 2
Configuración del fichero: named.conf
Var/named/chroot/etc/named.conf para dar servicios a la red es lo siguiente:
192.68.200.0/24 , Usuando el Dominio Bertex.org.pe
// Red Hat BIND Configuration Tool
//
// Default initial "Caching Only" name server configuration
//
options {
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
// query-source address * port 53;
allow-transfer {none;};
allow-query {192.68.200.0/24;localhost;};
allow-recursion {192.68.200.0/24;localhost;};
forwarders {8.8.8.8; 4.4.4.4;};
};
zone "." IN {
type hint;
file "named.root";
};
zone "localdomain." IN {
type master;
file "localdomain.zone";
allow-update { none; };
};
zone "localhost." IN {
type master;
file "localhost.zone";
allow-update { none; };
};
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26 de febrero
de 2012 CONFIGURACION DEL SERVIDOR DNS (LINUX-CENTOS
A l u m n o : V a l e n t í n V e r g a r a y F l o r e n t i n o C a y e t a n o
Página 3
zone "0.0.127.in-addr.arpa." IN {
type master;
file "named.local";
allow-update { none; };
};
zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa." IN {
type master;
file "named.ip6.local";
allow-update { none; };
};
zone "255.in-addr.arpa." IN {
type master;
file "named.broadcast";
allow-update { none; };
};
zone "0.in-addr.arpa." IN {
type master;
file "named.zero";
allow-update { none; };
};
zone "Bertex.org.pe." {
type master;
file "Bertex.org.pe.zone";
allow-update { none; };
};
zone "200.68.192.in-addr.arpa" {
type master;
file "200.68.192.in-addr.arpa.zone";
};
include "/etc/rndc.key";
Configuración el fichero de zona:
/var/named/chroot/var/named/Bertex.org.pe.zone
$TTL 86400
@ IN SOA dns. administrador. (
201202182 ;numero de serie
10800 ;tiempo de refresco
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26 de febrero
de 2012 CONFIGURACION DEL SERVIDOR DNS (LINUX-CENTOS
A l u m n o : V a l e n t í n V e r g a r a y F l o r e n t i n o C a y e t a n o
Página 4
3600 ;tiempo de reintentos de consulta
604800 ;tiempo tras el cual expira la zona
68400) ;tiempo total de vida
IN NS dns
Bertex.org.pe. IN A 192.68.200.40
Bertex.pe. IN A 192.68.200.50
IN MX 10 Bertex.org.pe.
dns IN CNAME Bertex.org.pe.
www IN CNAME Bertex.pe.
Configuración el fichero de zona inversa:
/var/named/chroot/var/named/200.68.192.in-addr.arpa.zone
$TTL 86400
@ IN SOA Bertex.org.pe. administrador. (
201202251 ;Nemero de serie
28800 ;Tiempo de refresco
7200 ;Tiempo de reintento de consulta
604800 ;Tiempo tras el cual expira la zona
86400) ;Tiempo total de vida
NS Bertex.org.pe.
NS dns.Bertex.org.pe.
40 PTR Bertex.org.pe.
40 PTR dns.Bertex.org.pe.
50 PTR www.Bertex.pe.
CONFIGURACIÓN DE DHCP
Configuración del fichero:
/etc/dhcpd.conf
#
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample
#
ddns-update-style ad-hoc;
ignore client-updates;
authoritative;
default-lease-time 900;
max-lease-time 7200;
option ip-forwarding off;
# nombre de la red
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26 de febrero
de 2012 CONFIGURACION DEL SERVIDOR DNS (LINUX-CENTOS
A l u m n o : V a l e n t í n V e r g a r a y F l o r e n t i n o C a y e t a n o
Página 5
shared-network redlocal {
subnet 192.68.200.0 netmask 255.255.255.0 {
option routers 192.68.200.11;
option subnet-mask 255.255.255.0;
option broadcast-address 192.68.200.255;
option domain-name-servers 192.68.200.10;
option netbios-name-servers 192.68.200.10;
range 192.68.200.179 192.68.200.199;
}
}