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dig @192.168.202.2
; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @192.168.202.2
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24337
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 9faa55396bb13860e8bfcf115ddbb5eb569eb7e5c5e25703 (good)
;; QUESTION SECTION:
;. IN NS
;; ANSWER SECTION:
. 510654 IN NS d.root-servers.net.
. 510654 IN NS b.root-servers.net.
. 510654 IN NS l.root-servers.net.
. 510654 IN NS i.root-servers.net.
. 510654 IN NS e.root-servers.net.
. 510654 IN NS a.root-servers.net.
. 510654 IN NS h.root-servers.net.
. 510654 IN NS m.root-servers.net.
. 510654 IN NS k.root-servers.net.
. 510654 IN NS j.root-servers.net.
. 510654 IN NS g.root-servers.net.
. 510654 IN NS f.root-servers.net.
. 510654 IN NS c.root-servers.net.
;; ADDITIONAL SECTION:
a.root-servers.net. 597054 IN A 198.41.0.4
b.root-servers.net. 597054 IN A 199.9.14.201
c.root-servers.net. 597054 IN A 192.33.4.12
d.root-servers.net. 597054 IN A 199.7.91.13
e.root-servers.net. 597054 IN A 192.203.230.10
f.root-servers.net. 597054 IN A 192.5.5.241
g.root-servers.net. 597054 IN A 192.112.36.4
h.root-servers.net. 597054 IN A 198.97.190.53
i.root-servers.net. 597054 IN A 192.36.148.17
j.root-servers.net. 597054 IN A 192.58.128.30
k.root-servers.net. 597054 IN A 193.0.14.129
l.root-servers.net. 597054 IN A 199.7.83.42
m.root-servers.net. 597054 IN A 202.12.27.33
a.root-servers.net. 597054 IN AAAA 2001:503:ba3e::2:30
b.root-servers.net. 597054 IN AAAA 2001:500:200::b
c.root-servers.net. 597054 IN AAAA 2001:500:2::c
d.root-servers.net. 597054 IN AAAA 2001:500:2d::d
e.root-servers.net. 597054 IN AAAA 2001:500:a8::e
f.root-servers.net. 597054 IN AAAA 2001:500:2f::f
g.root-servers.net. 597054 IN AAAA 2001:500:12::d0d
h.root-servers.net. 597054 IN AAAA 2001:500:1::53
i.root-servers.net. 597054 IN AAAA 2001:7fe::53
j.root-servers.net. 597054 IN AAAA 2001:503:c27::2:30
k.root-servers.net. 597054 IN AAAA 2001:7fd::1
l.root-servers.net. 597054 IN AAAA 2001:500:9f::42
m.root-servers.net. 597054 IN AAAA 2001:dc3::35
;; Query time: 1 msec
;; SERVER: 192.168.202.2#53(192.168.202.2)
;; WHEN: Mon Nov 25 11:07:23 UTC 2019
;; MSG SIZE rcvd: 839
dig @1.1.1.1
; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @1.1.1.1
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
4. No permitir el acceso al servidor web de www.josedomingo.org (Tienes que utilizar la ip). ¿Puedes acceder a fp.josedomingo.org?
A la dirección ftp.josedomingo.org si se puede acceder
telnet babuino-smtp.gonzalonazareno.org 25
Trying 192.168.203.3...
Connected to babuino-smtp.gonzalonazareno.org.
Escape character is '^]'.
220 babuino-smtp.gonzalonazareno.org ESMTP Postfix (Debian/GNU)
6. Instala un servidor mariadb, y permite los accesos desde la ip de tu cliente.
Ahora vamos a modificar un linea del fichero /etc/mysql/mariadb.conf.d/50-server.cnf
Creamos la base de datos
bind-address = 0.0.0.0
Creamos el usuario y le damos permiso
CREATE USER 'prueba'@'%' IDENTIFIED BY 'prueba';
GRANT ALL PRIVILEGES ON *.* TO prueba@'%' IDENTIFIED BY 'prueba';
GRANT ALL PRIVILEGES ON *.* TO prueba@localhost IDENTIFIED BY 'prueba';
debian@croqueta:~$ sudo mysql -u prueba -p pruebadb -h 172.22.200.218
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 39
Server version: 10.3.18-MariaDB-0+deb10u1 Debian 10
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.