squid

squid

######################squid#######################

[root@foundation75 Desktop]# yum install -y squid

[root@foundation75 Desktop]# systemctl start squid

[root@foundation75 Desktop]# netstat -antlpe | grep squid

tcp6       0      0 :::3128                 :::*                    LISTEN      0          89631      7155/(squid-1)

[root@foundation75 Desktop]# vim /etc/squid/squid.conf

58 allow all                 ##允许所有主机访问

64 cache_dir ufs /var/spool/squid 100 16 256

[root@foundation75 Desktop]# systemctl restart squid.service

测试

[root@foundation75 Desktop]# vim /etc/squid/squid.conf

52 acl badurl dstdomain .baidu.com

53 deny badurl            ##禁止baidu访问，但其他可以访问

54 allow localnet

55 allow localhost

56

57 # And finally deny all other access to this proxy

58 deny all

64 #cache_dir ufs /var/spool/squid 100 16 256

[root@foundation75 Desktop]# systemctl restart squid.service

测试

###############cdn反向加速##########

cdn反向加速原理：建立一个反向代理节点，客户端需要什么东西，直接访问代理节点，代理节点去服务端获取并进行缓存，这样就间接性的从服务端获取了信息，并且获取速度比较快

yum install -y squid

systemctl start  squid

systemctl stop firewalld

netstat -antple | grep squid

vim /etc/squid/squid.conf

# And finally deny all other access to this proxy

56 allow all

57

58 # Squid normally listens to port 3128

59 80 vhost vport

60 cache_peer 172.25.254.136 parent 80 0 no-query

systemctl restart squid

#############平分主机访问的压力########

vim /etc/squid/squid.conf

# And finally deny all other access to this proxy

allow all

# Squid normally listens to port 3128

80 vhost vport

cache_peer 172.25.254.111 parent 80 0 no-query originserver name=web1 round-robin weight=3

cache_peer 172.25.254.124 parent 80 0 no-query originserver name=web2 round-robin weight=1

cache_peer_domain westos.com web1 web2

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