高效配置Linux代理服务器 Squid介绍（4）

1.配置squid.conf

 http_port 80

 cache_mem 32 MB

 cache_swap_low 90

 cache_swap_high 95 

 maximum_object_size 4096 KB

 cache_dir /var/spool/squid 100 16 256

 cache_access_log /var/log/squid/access.log

 cache_log /var/log/squid/cache.log

 cache_store_log /var/log/squid/store.log

 cache_dns_program /usr/lib/squid/dnsserver

 dns_nameservers 192.168.2.32

 unlinkd_program /usr/lib/squid/unlinkd

 acl all src 0.0.0.0/0.0.0.0

 acl allow_ip src 192.168.2.1/255.255.255.0

 acl manager proto cache_object

 acl localhost src 192.168.2.32/255.255.255.255

 acl SSL_ports port 443 563

 acl Safe_ports port 80 21 443 563 70 210 1025-65535

 acl CONNECT method CONNECT

 http_access allow manager localhost

 http_access deny manager

 http_access deny !Safe_ports

 http_access deny CONNECT !SSL_ports

 http_access allow localhost

 http_access allow allow_ip

 cache_effective_user squid

 cache_effective_group squid

 下面两个选项是用来定义squid加速模式的。用virtual来指定为虚拟主机模式。80端口为要加速的请求端口。采用这种模式时，Squid就取消了缓存及ICP功能，假如需要这些功能，必须设置httpd_accel_with_proxy选项。

 httpd_accel_host virtual

 httpd_accel_port 80