1. 26 Januari 2012 EXIT
INTERFAC
ROUTING PROXY DHCP DNS MAIL
E
KONFIGURASI DEBIAN 5 Debian Lenny

2. INTERFACE
Konfigurasi Debian 5 (Lenny)
Konfigurasi NIC
# nano /etc/network/interfaces
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.4.118
netmask 255.255.255.0
network 192.168.4.0
broadcast 192.168.4.255
gateway 192.168.4.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 192.168.18.81
dns-search syaif.edu
auto eth1
iface eth1 inet static
address 192.168.18.81
netmask 255.255.255.0
network 192.168.18.0
broadcast 192.168.18.255
N Tambahkan settingan seperti contoh di atas pada konfigurasi NIC anda.
KKTKJ Smk Kelas XII Ahmad Syaifudin

3. ROUTING
Konfigurasi Debian 5 (Lenny)
Konfigurasi Router
# nano /etc/rc.local
======== # nano /etc/sysctl.conf
• rc.local # nano /etc/resolv.conf
========
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables -t nat -A PREROUTING -s 192.168.18.0/24 -p tcp --dport 80 -j REDIRECT --to-ports 3128
echo "1" > /proc/sys/net/ipv4/ip_forward
==========
• sysctl.conf
==========
net.ipv4.ip_forward = 1 (hilangkan tanda pagarnya)
==========
• resolv.conf
==========
search syaif.edu
nameserver 192.168.18.81
nameserver 192.168.4.1
N Tambahkan settingan seperti contoh di atas pada konfigurasi PC-Router anda.
KKTKJ Smk Kelas XII Ahmad Syaifudin

4. PROXY
Konfigurasi Debian 5 (Lenny)
Konfigurasi Proxy
# apt-get install squid
# Squid normally listens to port 3128 # nano /etc/squid/squid.conf
(Ctrl+w)  http_port 3128
http_port 3128 transparent
(Ctrl+w)  acl connect
(Ctrl+w)  and finally deny
acl CONNECT method CONNECT
acl situs dstdomain "/etc/squid/situs" # nano /etc/squid/situs
acl lan src 192.168.18.0/24
no_cache deny situs
http_acces deny situs
http_access allow lan
cache_mgr saif@syaif.edu
visible_hostname www.syaif.edu
# And finally deny all other access to this proxy
#http_access deny all
=======
File situs
=======
Masukkan alamat yang ingin di blokir di file situs
N “situs” dapar diganti apa saja, “dstdomain” dapat diganti “url_regex”.
KKTKJ Smk Kelas XII Ahmad Syaifudin

5. DHCP
Konfigurasi Debian 5 (Lenny)
Konfigurasi DHCP
# apt-get install dhcp3-server
# nano /etc/dhcp/dhcpd.conf
# A slightly different configuration for an internal subnet.
subnet 192.168.18.0 netmask 255.255.255.0 {
range 192.168.18.100 192.168.18.120;
option domain-name-servers 192.168.18.81;
option domain-name “syaif.edu";
option routers 192.168.18.81;
option broadcast-address 192.168.18.255;
default-lease-time 600;
max-lease-time 7200;
}
N Range dapat diisi sesuai keinginan kita, tergantung jumlah client.
KKTKJ Smk Kelas XII Ahmad Syaifudin

6. DNS
Konfigurasi Debian 5 (Lenny)
Konfigurasi DNS Halaman 1
# apt-get install bind9
=========== # nano /etc/bind/named.conf
• named.conf
===========
zone "syaif.edu" {
type master;
file "db.syaif";
};
zone "192.in-addr.arpa" {
type master;
file "db.192";
};
N Setting DNS anda seperti settingan di atas, untuk mengedit tampilan di (#nano /var/www/index.html)
KKTKJ Smk Kelas XII Ahmad Syaifudin

7. DNS
Konfigurasi Debian 5 (Lenny)
Konfigurasi DNS Halaman 2
* copy db.127 di /etc/bind ke /var/cache/bind/db.192
========== * copy db.local di /etc/bind ke /var/cache/bind/db.syaif
• db.smkitsi # nano /var/cache/bind/db.syaif
========== # nano /var/cache/bind/db.192
; * Pengujian (#nslookup syaif.edu)
; BIND data file for local loopback interface =======
; • db.192
$TTL 604800 =======
@ IN SOA syaif.edu. root.syaif.edu. ( ;
2 ; Serial ; BIND reverse data file for local loopback interface
604800 ; Refresh ;
86400 ; Retry $TTL 604800
2419200 ; Expire @ IN SOA syaif.edu. root.syaif.edu. (
604800 ) ; Negative Cache TTL 1 ; Serial
; 604800 ; Refresh
@ IN NS syaif.edu. 86400 ; Retry
@ IN A 192.168.18.81 2419200 ; Expire
www IN A 192.168.18.81 604800 ) ; Negative Cache TTL
mail IN A 192.168.18.81 ;
@ IN NS syaif.edu.
81.18.168 IN PTR www.syaif.edu.
81.18.168 IN PTR mail.syaif.edu.
N Setting DNS anda seperti settingan di atas, dan perhatikan pemakaian tanda titik setelah URL.
KKTKJ Smk Kelas XII Ahmad Syaifudin

8. MAIL
Konfigurasi Debian 5 (Lenny)
Konfigurasi Mail Server Halaman 1
# apt-get install postfix
======= # apt-get install dovecot-imapd
• Postfix # apt-get install courier-imap
======= # apt-get install courier-pop
Ok  Internet Site  syaif.edu # apt-get install squirrelmail
=================== # apt-get install apache2
• Courier-imap courier-pop # nano /etc/apache2/apache2.conf
==================== # nano /etc/squirrelmail/apache.conf
No # maildirmake /etc/skel/Maildir
============ ===========
• Apache2.conf • Apache.conf
============ ===========
# Include the virtual host configurations: # users will prefer a simple URL like
Include /etc/apache2/sites-enabled http://webmail.example.com
Include /etc/squirrelmail/apache.conf #<VirtualHost 1.2.3.4>
# DocumentRoot /usr/share/squirrelmail
# ServerName webmail.example.com
#</VirtualHost>
<VirtualHost *:80>
DocumentRoot /usr/share/squirrelmail
ServerName mail.syaif.edu
</VirtualHost>
N Setting Mail Server anda seperti settingan di atas.
KKTKJ Smk Kelas XII Ahmad Syaifudin

9. MAIL
Konfigurasi Debian 5 (Lenny)
Konfigurasi Mail Server Halaman 2
# dpkg-reconfigure postfix
====================== # nano /etc/postfix/main.cf
dpkg-reconfigure postfix # adduser admin
======================
Ok  Internet Site  smkitsi.edu  biarkan kosong  tambahkan (,192.168.18.81/24)  No  tambahkan
(,192.168.18.81/24)  No  0  +  ipv4
========
• main.cf
========
inet_interfaces = all
inet_protocols = ipv4
home_mailbox = Maildir/
N Setting Mail Server anda seperti settingan di atas, admin dapat diganti nama anda alias terserah.
KKTKJ Smk Kelas XII Ahmad Syaifudin