xlinux
(usa Ubuntu)
Enviado em 30/09/2013 - 17:47h
beleza já está marcada lá como melhor reposta. Sem dúvida vou precisar sim da sua ajuda, a próxima etapa agora e fazer o squid transparent bloquear os sites que coloco na regra testei aqui e não tá funfando. vou postar de novo aí minhas regras...
Firewal
#!/bin/bash
iptables -F
iptables -X
iptables -t nat -F
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
echo 0 > /proc/sys/net/ipv4/conf/all/log_martians
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
echo 1 > /proc/sys/net/ipv4/ip_dynaddr
modprobe iptable_nat
modprobe ip_conntrack
modprobe ip_conntrack_ftp
modprobe ip_tables
#iptables -t nat -A PREROUTING -p tcp -i eth1 -p tcp --dport 80 -j REDIRECT --to port 3128
iptables -t nat -A PREROUTING -s 192.168.1.0/24 -p tcp --dport 80 -j REDIRECT --to-port 3128
iptables -A FORWARD -t filter -j ACCEPT
iptables -A FORWARD -t filter -j ACCEPT -m state --state ESTABLISHED,RELATED,NEW -j ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
#LIBERA DNS SERVER PARA A REDE
iptables -A INPUT -p udp -s 8.8.8.8 --sport 53 -d 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p udp -s 8.8.4.4 --sport 53 -d 192.168.1.0/24 -j ACCEPT
chmod +x /etc/init.d/firewall
/etc/init.d/firewall.sh
Squid
http_port 3128 transparent
visible_hostname atenas
error_directory /usr/share/squid/errors/Portuguese
#--Tamanho do cache da RAM usado pelo squid
cache_dir ufs /var/cache/squid 4096 16 256
#Log
cache_access_log /var/log/squid/access.log
#Porcentagem de atualizacao do cache -limpo ao atingir o maximo
cache_swap_low 85
cache_swap_high 90
#Memória do cache
cache_mem 512 MB
#Usar o máximo de memória possível
memory_pools on
memory_pools_limit 2048 MB
#Tamanho máximo de arquivos alocados na RAM
maximum_object_size_in_memory 2048 KB
maximum_object_size 4096 KB
#Maximo e Minimo armazenados no disco
maximum_object_size 512 MB
minimum_object_size 0 KB
#CONFIGURAÇÃO MÍNIMA##
acl manager proto cache_object
acl localnet src 127.0.0.1/255.255.255.255
acl to_localnet dst 127.0.0.0/8
acl all src 0.0.0.0/0.0.0.0
acl SSL_ports port 443 # https
acl SSL_ports port 563 # snews
acl SSL_ports port 873 # rsync
acl Safe_ports port 80 81 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 1443 1494 11090 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 1433 # sql
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 Safe_ports port 631 #
[*****]
acl Safe_ports port 5432
acl Safe_ports port 873 # rsync
acl Safe_ports port 901 # SWAT
acl purge method PURGE
acl CONNECT method CONNECT
##ACLS
acl bloqueados url_regex -i "/etc/squid/bloqueados/bloqueados.txt"
http_access deny bloqueados
acl redelocal src 192.168.1.0/24
#acl hora_manha time MTWHF 07:00-11:30
#acl hora_tarde time MTWHF 14:00-19:00
#acl hosts_macaddress arp "/etc/squid3/"
##Controle de acesso
http_access allow localnet
http_access allow localnet
http_access allow all
# Email do ADM Cache Squid
#cache_mgr webmaster usuario@dominio.com.br
