----- Original Message -----
From: <dodi.and...@mactest.co.cc>
To: <tanya-jawab@linux.or.id>
Sent: Friday, November 26, 2010 11:09 AM
Subject: Re: [tanya-jawab] bingung gak bisa transparent proxy
maaf...
kok saya liat di konfigurasi squid-nya enggak ada acl aloow ke local
network yah???
apa saya salah??
On Thu, 25 Nov 2010 22:11:04 +0800, alfa alfa <alfa.ping...@gmail.com>
wrote:
On Thu, Nov 25, 2010 at 9:34 AM, kurniadi <kurni...@patrakom.co.id>
wrote:
On Wed, 24 Nov 2010 08:27:10 +0800, alfa alfa <alfa.ping...@gmail.com>
wrote:
Mohon Bantuannya
saya punya settingan squid seperti di bawah ini :
WELCOME TO SQUID 2.7.STABLE3
#port
http_port 3128 transparent
icp_port 3130
prefer_direct off
#################################################################
# Cache & Object
#################################################################
cache_mem 16 MB
cache_swap_low 98
cache_swap_high 99
max_filedesc 8192
maximum_object_size 1024 MB
minimum_object_size 0 KB
maximum_object_size_in_memory 4 bytes
ipcache_size 4096
ipcache_low 98
ipcache_high 99
fqdncache_size 4096
cache_replacement_policy heap LFUDA
memory_replacement_policy heap GDSF
###################################################################################
# cache_dir <type> <Directory-Name> <Space in Mbytes> <Level1>
<Level2> <options>
#################################################################################
#################################################################
# Cache & Object
#################################################################
cache_mem 16
MB################################################################
cache_dir aufs /home/proxy1 3000 32 128
cache_dir aufs /home/proxy2 3000 32 128
cache_dir aufs /home/proxy3 3000 32 128
cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log none
pid_filename /var/run/squid.pid
cache_swap_log /var/log/squid/swap.state
dns_nameservers /etc/resolv.conf
emulate_httpd_log off
hosts_file /etc/hosts
half_closed_clients off
negative_ttl 1 minutes
#################################################################
# Rules: Safe Port
#################################################################
acl manager proto cache_object
acl SSL_ports port 443 563 873
acl Safe_ports port 80 # https snews rsync
acl Safe_ports port 20 21 # http
acl Safe_ports port 70 # ftp
acl Safe_ports port 210 # gopher
acl Safe_ports port 1025-65535 # wais
acl Safe_ports port 631 # unregistered ports
acl Safe_ports port 10000 # cups
acl Safe_ports port 901 # webmin
acl Safe_ports port 280 # SWAT
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl Safe_ports port 873 # rsync
acl Safe_ports port 110 # POP3
acl Safe_ports port 25 # SMTP
acl Safe_ports port 2095 2096 # webmail from cpanel
acl Safe_ports port 2082 2083 # cpanel
acl purge method PURGE
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports !SSL_ports
http_access deny CONNECT !SSL_ports !Safe_ports
#################################################################
# Refresh Pattern
#################################################################
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 10080 90% 43200
override-expire ignore-no-cache ignore-private
refresh_pattern -i \.(iso|avi|wav|mp3|mp4|mpeg|mpg|swf|flv|x-flv)$
43200 90% 432000 override-expire ignore-no-cache ignore-private
refresh_pattern -i \.(deb|rpm|exe|ram|bin|pdf|ppt|doc|tiff)$ 10080 90%
43200 override-expire ignore-no-cache ignore-private
refresh_pattern -i \.(zip|gz|arj|lha|lzh|tar|tgz|cab|rar)$ 10080 95%
43200 override-expire ignore-no-cache ignore-private
refresh_pattern -i \.(html|htm|css|js|php|asp|aspx|cgi) 1440 40% 40320
refresh_pattern . 0 20% 4320
#################################################################
cache_mem 16 MB
#################################################################
# HAVP + Clamav
#################################################################
cache_peer 127.0.0.1 parent 8080 0 no-query no-digest
no-netdb-exchange
default
cache_peer 192.168.1.1 parent 3128 3130
#################################################################
# HIERARCHY (BYPASS CGI)
#################################################################
#hierarchy_stoplist cgi-bin ? .js .jsp
#acl QUERY urlpath_regex cgi-bin \? .js .jsp
#no_cache deny QUERY
#################################################################
# SNMP
#################################################################
snmp_port 3401
acl snmpsquid snmp_community public
snmp_access allow snmpsquid localhost
snmp_access deny all
#################################################################
# ALLOWED ACCESS
#################################################################
acl server src 192.168.1.0/24
http_access allow server
http_access allow localhost
http_access deny all
http_reply_access allow all
icp_access allow server
icp_access allow localhost
icp_access deny all
# always_direct deny all
#################################################################
# Cache CGI & Administrative
#################################################################
cache_mgr alfa.ping...@gmail.com
cachemgr_passwd 123 all
visible_hostname alfa.server.net
cache_effective_user proxy
cache_effective_group proxy
coredump_dir /var/spool/squid
shutdown_lifetime 10 seconds
logfile_rotate 14
kondisi jaringan saya eth0 menggunakan ip publik sedangkan eth1 untuk
LAN
pertanyaan saya :
1. Benarkah settingan squid saya di atas?
2. Settingan iptables saya
iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -d 0/0 -j MASQUERADE
iptables -A PREROUTING -t nat -p tcp --dport 80 -j REDIRECT --to-port
3128 (untuk transparent) ==> tetapi ketika menggunakan ini, semua
komputer tidak bisa mengakses situs, namun ketika melakukan ping ke
google di reply.
mohon bantuan tentang rule iptables yang benar.
3.Bagaimana cara merestart rc.local/iptables tanpa harus me reboot
komputer?
mohon bantuannya dan terima kasih sebelumnya
Kayak nya udah bener, coba troubleshooting lagi, untuk iptables lihat
iptables -L (melihat rule yang aktif)
iptbales-save (save rule tanpa reboot)
iptables -F (hapus semua rule)
untuk proxy squid lihat lihat file log nya
tailf /var/log/squid/cache.log
tailf /var/log/squid/access.log
Kurniadi
--
terima kasih Pak Kurniadi atas responnya, jika menggunakan settingan
saya di atas, pada saat menggunakan tailf /var/log/squid/access.log,
memang akan terlihat situs yang dibuka, tetapi situsnya di denied
semua.
untuk perintah iptbales-save, ini maksudnya di save tanpa di reboot?
kalau sya coba, saya tetap harus reboot untuk mengaktifkan settingan
iptables.
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acl server src 192.168.1.0/24
http_access allow server
192.168.1.0/24 source yang kemana ? kalo yang ke LAN seharusnya
dah bisa.
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