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Bikash Bhandari
Asked: 2021-02-28 09:11:14 +0800 CST

将 Squid 代理与匿名开放代理集成以缓存来自匿名代理的 html 响应

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我需要使用 squid 缓存服务器缓存来自匿名代理的 html 响应。但是我的要求是给定的：

从客户端机器我需要使用凭据 IP 和端口连接到匿名代理。我的所有请求都通过本地 squid 代理服务器路由。

我尝试在 squid 上使用给定的配置，但在连接到源时无法缓存响应，如下所示：

squidclinet -h <IP-Anonymous_Proxy> -p <Port> -u <username> -w <Password> <https://www.example.com>

但是我可以使用以下方法进行缓存：

squidclient -h  <IP-squid_proxy> -p  <Port>  -u <username> -w <Password>

我的 squid.conf 文件

# General

http_port 3128
visible_hostname Proxy
forwarded_for delete
via off

# Log

logformat squid %tg.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %[un %Sh/%<a %mt
access_log /var/log/squid/access.log squid

# Cache

cache_dir aufs /var/cache/squid 1024 16 256
coredump_dir /var/spool/squid

acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY

refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0


# Network ACL

acl localnet src 10.0.0.0/8     # RFC 1918 possible internal network

# Port ACL

acl SSL_ports port 443          # https
acl SSL_ports port 563          # snews
acl SSL_ports port 873          # rync
acl Safe_ports port 80 8080     # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443 563     # 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 purge method PURGE
acl CONNECT method CONNECT
###Cache Peer
cache_peer <Anonymous-Proxy> parent <Port> 0 no-query default login=username:password
never_direct allow all

http_access allow all
icp_access allow all
#always_direct allow all

# Request Headers Forcing

request_header_access Allow allow all
request_header_access Authorization allow all
request_header_access WWW-Authenticate allow all
request_header_access Proxy-Authorization allow all
request_header_access Proxy-Authenticate allow all
request_header_access Cache-Control allow all
request_header_access Content-Encoding allow all
request_header_access Content-Length allow all
request_header_access Content-Type allow all
request_header_access Date allow all
request_header_access Expires allow all
request_header_access Host allow all
request_header_access If-Modified-Since allow all
request_header_access Last-Modified allow all
request_header_access Location allow all
request_header_access Pragma allow all
request_header_access Accept allow all
request_header_access Accept-Charset allow all
request_header_access Accept-Encoding allow all
request_header_access Accept-Language allow all
request_header_access Content-Language allow all
request_header_access Mime-Version allow all
request_header_access Retry-After allow all
request_header_access Title allow all
request_header_access Connection allow all
request_header_access Proxy-Connection allow all
request_header_access User-Agent allow all
request_header_access Cookie allow all
request_header_access All deny all

# Response Headers Spoofing

reply_header_access Via deny all
reply_header_access X-Cache deny all
reply_header_access X-Cache-Lookup deny all
proxy squid http-caching

1 个回答

  1. Best Answer

    您无法缓存 HTTPS，因为它已加密。
    Squid 只是一个 HTTP 缓存。
    浏览器等客户端的 HTTPS 查询，wget或者curl只能通过 Squid 使用该CONNECT方法进行路由但不能缓存在那里。

    虽然该ssl bump方法支持缓存，但它涉及生成假 SSL 证书并在客户端上安装假 CA 证书。这构成了中间人攻击。
    虽然这是可能的，但除非在特殊情况下证明这种方法的合理性，否则不建议这样做。
    单独缓存的目的并不能证明使用该ssl bump方法是合理的。

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