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Cubietruck: Como configurar servidor de cache com Squid

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By LojaMundi Oxmundi 30 de dezembro de 2014 Deixe um comentário Ir para comentários

Cubietruck: Como configurar servidor de cache com Squid

Nesse artigo você irá aprender a instalar e configurar servidor de cache com squid.

Material Utilizado: Cubietruck ( Onde encontrar)

Utilizaremos o sistema operacional Fedora 20 imagem NAND para esse procedimento.

DOWNLOAD NAND
http://dl.cubieboard.org/software/a20-cubietruck/fedora/ct-fedora20-lxde/ (LXDE Desktop)
http://dl.cubieboard.org/software/a20-cubietruck/fedora/ct-fedora20-minimal/ (No Desktop)

Instalação:

1. Download da imagem gzip
2. Descompactar a imagem
3. Flash a imagem para Cubietruck com livesuit/phoenixsuit

Desabilitando Selinux:

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing – SELinux security policy is enforced.
# permissive – SELinux prints warnings instead of enforcing.
# disabled – No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
# targeted – Targeted processes are protected,
# minimum – Modification of targeted policy. Only selected processes are protected.
# mls – Multi Level Security protection.
SELINUXTYPE=targeted

Desabilitando Firewall:
systemctl stop firewalld.service
systemctl disable firewall.service

#Criando firewall

touch /etc/init.d/firewall
chmod 755 /etc/rc.d/rc.local
vi firewall

#!/bin/sh
set -e

# Definido variáveis
#redeinterna=’192.168.0.254/24′

# Definindo interface
#internet=’eth0′
#redeinterna=’eth1′

# Política padrão

iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT

# Limpando regras anteriores

iptables -t nat -F
iptables -t mangle -F
iptables -F
iptables -X

# Habilitando repasse entre as interfaces
echo 1 >/proc/sys/net/ipv4/ip_forward

# Proteção contra ICMP Broadcasting
echo “1” > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts

# Proteções diversas contra portscanners, ping of death, ataques DoS, etc.
modprobe ip_nat_ftp
modprobe ip_conntrack_ftp

#Squid
iptables -t nat -A POSTROUTING -s 192.168.0.254/24 -o eth0 -j MASQUERADE
iptables -t nat -A PREROUTING -i eth1 -p tcp –dport 80 -j REDIRECT –to-port 3128

touch /etc/rc.d/rc.local
chmod 755 /etc/rc.d/rc.local

vi rc.local

#!/usr/bin/bash
/etc/init.d/firewall

systemctl enable squid.services

yum -y install squid

cd /
mkdir cache
chmod 777 /cache

cd /etc/squid/
touch bloqueados
rm squid.conf
vi squid.conf

#Squid.conf
http_port 3128 transparent
visible_hostname cubietruck

cache_mem 128 MB
maximum_object_size_in_memory 128 KB
maximum_object_size 512 MB
minimum_object_size 0 KB
cache_swap_low 90
cache_swap_high 95
cache_dir ufs /cache 512 16 256
cache_access_log /var/log/squid/access.log
refresh_pattern ^ftp: 15 20% 2280
refresh_pattern ^gopher: 15 0% 2280
refresh_pattern . 15 20% 2280

acl all src all
#acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
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 Safe_ports port 901 # SWAT
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
http_access deny CONNECT !SSL_ports

acl bloqueados dstdom_regex “/etc/squid/bloqueados”
http_access deny bloqueados

acl redelocal src 192.168.0.0/24
http_access allow localhost
http_access allow redelocal
http_access deny all

#Inicializando Squid
systemctl enable squid.service
systemctl start squid.service

 


Para baixar a versão em PDF, clique no link abaixo:

http://www.lojamundi.com.br/download/cubietruck-como-configurar-servidor-de-cache-com-squid/cubietruck-como-configurar-servidor-de-cache-com-squid.pdf

 

Posted in: Cubieboard Tags: cubietruckservidorcache
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