IGOS Nusantara dan proxy server squid: Perbedaan revisi

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Baris 1: Baris 1:
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Skema jaringan lihat IGNwiki
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Skema jaringan lihat IGNwiki http://igos-nusantara.or.id/wiki/Skema_Jaringan
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* Server ada di: 192.168.1.1
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* Proxy Server Squid disatukan di Server gateway ada di: 192.168.0.1
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* Port proxy: 8080
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* Port proxy: 3128 (default)
  
 
== Pasang Squid ==
 
== Pasang Squid ==
Baris 7: Baris 7:
  
 
== Konfigurasi ==
 
== Konfigurasi ==
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=== Salin /etc/squid/squid.conf ===
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Paket squid yang ada IGOS Nusantara 2010 (IGN2010) memiliki berkas squid.conf yang ringkas. Konfigurasi default sudah sesuai dan langsung dapat dipakai tanpa perlu diubah lagi.
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Sebelum melakukan perubahan, sebaiknya file squid.conf disalin agar ada cadangan.
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# cp /etc/squid/squid.conf /etc/squid/squid.conf-asli
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=== Buang komentar agar ringkas ===
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Konfigurasi /etc/squid/squid.conf default
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Berkas /etc/squid/squid.conf berukuran besar karena menyertakan komentar atau informasi untuk setiap baris konfigurasi.
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# grep -v "^#" /etc/squid/squid.conf | sed -e '/^$/d'
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Perhatikan baris hasil perintah grep dan sed, jika sudah yakin, lanjutkan untuk menimpa berkas squid.conf yang sudah dibuang komentarnya.
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#
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  # grep -v "^#" /etc/squid/squid.conf | sed -e '/^$/d' > /etc/squid/squid.conf
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  # Recommended minimum configuration:
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#
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=== Sesuaikan /etc/squid/squid.conf ===
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acl manager proto cache_object
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Tahap awal lakukan perubahan beberapa baris tertentu saja. Jika sudah lancar, silakan lakukan perubahan lain agar squid lebih optimal.
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acl localhost src 127.0.0.1/32
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acl localhost src ::1/128
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  # Isi berkas: /etc/squid/squid.conf
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acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
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  ...
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  acl to_localhost dst ::1/128
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  http_port 8080
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  ...
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# Example rule allowing access from your local networks.
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  #http_access allow our_networks
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  # Adapt to list your (internal) IP networks from where browsing
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  acl jaringanku src 192.168.1.0/255.255.255.0
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  # should be allowed
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  http_access allow jaringanku
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acl localnet src 10.0.0.0/8 # RFC1918 possible internal network
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  acl localnet src 172.16.0.0/12 # RFC1918 possible internal network
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  acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
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acl localnet src fc00::/7  # RFC 4193 local private network range
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acl localnet src fe80::/10  # RFC 4291 link-local (directly plugged) machines
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acl SSL_ports port 443
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acl Safe_ports port 80 # http
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acl Safe_ports port 21 # ftp
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acl Safe_ports port 443 # https
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acl Safe_ports port 70 # gopher
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acl Safe_ports port 210 # wais
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acl Safe_ports port 1025-65535 # unregistered ports
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acl Safe_ports port 280 # http-mgmt
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acl Safe_ports port 488 # gss-http
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acl Safe_ports port 591 # filemaker
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acl Safe_ports port 777 # multiling http
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acl CONNECT method CONNECT
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 +
#
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# Recommended minimum Access Permission configuration:
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#
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# Only allow cachemgr access from localhost
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http_access allow manager localhost
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http_access deny manager
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# Deny requests to certain unsafe ports
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http_access deny !Safe_ports
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# Deny CONNECT to other than secure SSL ports
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http_access deny CONNECT !SSL_ports
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# We strongly recommend the following be uncommented to protect innocent
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# web applications running on the proxy server who think the only
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# one who can access services on "localhost" is a local user
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#http_access deny to_localhost
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#
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# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
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#
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# Example rule allowing access from your local networks.
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# Adapt localnet in the ACL section to list your (internal) IP networks
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# from where browsing should be allowed
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http_access allow localnet
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http_access allow localhost
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# And finally deny all other access to this proxy
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http_access deny all
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# Squid normally listens to port 3128
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http_port 3128
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# We recommend you to use at least the following line.
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hierarchy_stoplist cgi-bin ?
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# Uncomment and adjust the following to add a disk cache directory.
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#cache_dir ufs /var/spool/squid 100 16 256
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# Leave coredumps in the first cache dir
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coredump_dir /var/spool/squid
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# Add any of your own refresh_pattern entries above these.
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refresh_pattern ^ftp: 1440 20% 10080
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refresh_pattern ^gopher: 1440 0% 1440
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  refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
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refresh_pattern . 0 20% 4320
  
 
== Buat cache ==
 
== Buat cache ==
Baris 38: Baris 100:
 
  # chkconfig --level 345 squid on
 
  # chkconfig --level 345 squid on
  
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== Konfigurasi browser di komputer klien ==
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== Konfigurasi browser di komputer client ==
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Ubah konfigurasi browser agar memakai proxy server 192.168.1.1 dan port 8080
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Jalankan browser (misal) dari PC Client 4. Untuk memakai proxy, ubah konfigurasi browser agar memakai proxy server 192.168.0.1 dan port 3128
  
 
== Periksa log ==
 
== Periksa log ==
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  # tail -f /var/logs/squid/access.log
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  # tail -f /var/log/squid/access.log
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Jalankan browser dari komputer klien lalu akses situs. Di server perhatikan log yang muncul, tekan Ctrl + C jika sudah selesai melihat akses.log.
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Jalankan browser dari komputer klien lalu akses situs. Di server perhatikan log yang muncul, tekan Ctrl + C jika sudah selesai melihat akses.log.
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# tail -f /var/logs/squid/cache.log
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Jalankan browser dari komputer klien lalu akses situs. Di server perhatikan log yang muncul, tekan Ctrl + C jika sudah selesai melihat cache.log.
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Revisi terkini pada 2 Januari 2011 06.35

Skema jaringan lihat IGNwiki http://igos-nusantara.or.id/wiki/Skema_Jaringan

  • Proxy Server Squid disatukan di Server gateway ada di: 192.168.0.1
  • Port proxy: 3128 (default)

Pasang Squid

# yum install -y squid

Konfigurasi

Paket squid yang ada IGOS Nusantara 2010 (IGN2010) memiliki berkas squid.conf yang ringkas. Konfigurasi default sudah sesuai dan langsung dapat dipakai tanpa perlu diubah lagi.

Konfigurasi /etc/squid/squid.conf default 

#
# Recommended minimum configuration:
#
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl localhost src ::1/128
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
acl to_localhost dst ::1/128

# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.0.0.0/8	# RFC1918 possible internal network
acl localnet src 172.16.0.0/12	# RFC1918 possible internal network
acl localnet src 192.168.0.0/16	# RFC1918 possible internal network
acl localnet src fc00::/7   # RFC 4193 local private network range
acl localnet src fe80::/10  # RFC 4291 link-local (directly plugged) machines

acl SSL_ports port 443
acl Safe_ports port 80		# http
acl Safe_ports port 21		# ftp
acl Safe_ports port 443		# https
acl Safe_ports port 70		# gopher
acl Safe_ports port 210		# wais
acl Safe_ports port 1025-65535	# unregistered ports
acl Safe_ports port 280		# http-mgmt
acl Safe_ports port 488		# gss-http
acl Safe_ports port 591		# filemaker
acl Safe_ports port 777		# multiling http
acl CONNECT method CONNECT

#
# Recommended minimum Access Permission configuration:
#
# Only allow cachemgr access from localhost
http_access allow manager localhost
http_access deny manager

# Deny requests to certain unsafe ports
http_access deny !Safe_ports

# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports

# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localnet
http_access allow localhost

# And finally deny all other access to this proxy
http_access deny all

# Squid normally listens to port 3128
http_port 3128

# We recommend you to use at least the following line.
hierarchy_stoplist cgi-bin ?

# Uncomment and adjust the following to add a disk cache directory.
#cache_dir ufs /var/spool/squid 100 16 256

# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid

# Add any of your own refresh_pattern entries above these.
refresh_pattern ^ftp:		1440	20%	10080
refresh_pattern ^gopher:	1440	0%	1440
refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
refresh_pattern .		0	20%	4320

Buat cache

# /usr/sbin/squid -z

Jalankan squid

# service squid start

Masukkan service squid

# chkconfig --level 345 squid on

Konfigurasi browser di komputer client

Jalankan browser (misal) dari PC Client 4. Untuk memakai proxy, ubah konfigurasi browser agar memakai proxy server 192.168.0.1 dan port 3128

Periksa log

# tail -f /var/log/squid/access.log

Jalankan browser dari komputer klien lalu akses situs. Di server perhatikan log yang muncul, tekan Ctrl + C jika sudah selesai melihat akses.log.

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