yum install -y dos2unix openssl  httpd  squid  vim

# 前期關(guān)閉防火墻礼烈， 不想關(guān)閉防火墻自行配置 Squid 端口
systemctl stop firewalld.service

touch /etc/squid/passwd
chmod -R 777 /etc/squid/passwd

# youname  是認(rèn)證用戶, 回車輸入輸入 賬戶 密碼， 不超過 8 位
[root@localhost ~]# htpasswd -c /etc/squid/passwd youname  
New password: 
Re-type new password: 
Adding password for user youname


/usr/lib64/squid/basic_ncsa_auth /etc/squid/passwd   # 檢查認(rèn)證用戶
youname passwd                           # 用戶 及密碼 出現(xiàn) OK 則成功

編輯配置文件

vim /etc/squid/squid.conf

#
# Recommended minimum configuration:
#

# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.0.0.0/8 # RFC1918 possible internal network
acl localnet src 172.16.0.0/12  # RFC1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
acl localnet src fc00::/7       # RFC 4193 local private network range
acl localnet src fe80::/10      # RFC 4291 link-local (directly plugged) machines

acl SSL_ports port 443
acl Safe_ports port 80      # http
acl Safe_ports port 21      # ftp
acl Safe_ports port 443     # https
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 CONNECT method CONNECT

#
# Recommended minimum Access Permission configuration:
#
# Deny requests to certain unsafe ports
http_access deny !Safe_ports

# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports

# Only allow cachemgr access from localhost
http_access allow localhost manager
http_access deny manager

# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localnet
http_access allow localhost
# 添加認(rèn)證
auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/passwd
auth_param basic children 5
auth_param basic realm Welcome to pycredit's proxy-only web server
acl squid_user proxy_auth REQUIRED
acl Safe_ports port 80
http_access deny !Safe_ports
http_access allow squid_user



# And finally deny all other access to this proxy
http_access deny all

# Squid normally listens to port 3128  配置端口
http_port 3328

# Uncomment and adjust the following to add a disk cache directory.
cache_dir ufs /var/spool/squid 100 16 256
cache_mem 0 MB

# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid

#
# Add any of your own refresh_pattern entries above these.
#
refresh_pattern ^ftp:       1440    20% 10080
refresh_pattern ^gopher:    1440    0%  1440
refresh_pattern -i (/cgi-bin/|\?) 0 0%  0
refresh_pattern .       0   20% 4320
# 添加 hostname
visible_hostname proxy.daoiqi.com

使用

squid -z                         # 第一次安裝需要初始化
systemctl start  squid         # 啟動(dòng) squid 
systemctl status squid         # 查看 squid 運(yùn)行狀態(tài)
systemctl stop   squid         # 停止 squid
systemctl restart  squid        # 重啟 squid
squid -k parse               # 檢查配置文件是否有誤
netstat -lnapt | grep squid      # 查看端口號(hào)

# 運(yùn)行squid版扩，將日志記錄到標(biāo)準(zhǔn)錯(cuò)誤喘垂。這樣甜刻，你能輕易的定位任何錯(cuò)誤或問題，并且確認(rèn)squid是否成功啟動(dòng)正勒。
# -N 選項(xiàng)來保持squid在前臺(tái)運(yùn)行得院，
# -d1 選項(xiàng)在標(biāo)準(zhǔn)錯(cuò)誤里顯示1級(jí)別的調(diào)試信息。
squid -N -d1                  


adsl-stop      # 撥號(hào)
adsl-start     # 撥號(hào)
pppoe-start     # 啟動(dòng)撥號(hào)
pppoe-status    # 查看狀態(tài)
pppoe-status|grep inet |awk {'print $2'}       # 獲取 IP
curl -x <IP>:<PORT> www.baidu.com           # 測(cè)試