我對最簡單的解決方案感興趣，身份驗證實際上甚至不必測試使用者/通行證對……它只需要進行 http auth 挑戰。我正在嘗試在我正在處理的庫的代理上測試 http auth。

我已經實現了一個腳本，它返回“ok”以用作我的程序，如下所示：

auth_param basic realm Squid proxy-caching web server auth_param basic
program /usr/local/bin/ok

魷魚死了，這就是我的日誌中顯示的內容：

2012/03/13 13:09:24| WARNING: basicauthenticator #1 (FD 12) exited
2012/03/13 13:09:24| WARNING: basicauthenticator #2 (FD 14) exited
2012/03/13 13:09:24| WARNING: basicauthenticator #3 (FD 16) exited
2012/03/13 13:09:24| WARNING: basicauthenticator #4 (FD 18) exited
2012/03/13 13:09:24| Too few basicauthenticator processes are running
2012/03/13 13:09:24| storeDirWriteCleanLogs: Starting...
2012/03/13 13:09:24|   Finished.  Wrote 0 entries.
2012/03/13 13:09:24|   Took 0.00 seconds (  0.00 entries/sec).
FATAL: The basicauthenticator helpers are crashing too rapidly, need help!

Squid Cache (Version 3.1.19): Terminated abnormally.
CPU Usage: 0.014 seconds = 0.008 user + 0.006 sys
Maximum Resident Size: 5709824 KB
Page faults with physical i/o: 0

文件中有一個可能相關的參考，但我不確定如何實現：

#   If you use an authenticator, make sure you have 1 acl of type
#   proxy_auth.

目前正在嘗試這個：

http://www.cyberciti.biz/tips/linux-unix-squid-proxy-server-authentication.html

很棒的文章——http: //www.cyberciti.biz/tips/linux-unix-squid-proxy-server-authentication.html

最終使用了以下內容：使用風險自負……因為我不知道它的作用。

#proxy auth
auth_param basic program /usr/local/libexec/ncsa_auth /usr/local/etc/passwd
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
auth_param basic casesensitive off
#auth_param basic program /usr/local/bin/err

acl ncsa_users proxy_auth REQUIRED
http_access allow ncsa_users

#
# Recommended minimum configuration:
#
acl manager proto cache_object
acl localhost src 127.0.0.1/32 ::1
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1

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

# 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

# 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

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


# Squid normally listens to port 3128
http_port 3128

# Uncomment and adjust the following to add a disk cache directory.
#cache_dir ufs /usr/local/var/cache 100 16 256

# Leave coredumps in the first cache dir
coredump_dir /usr/local/var/cache

# 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

像這樣的東西應該​​工作：

acl example proxy_auth REQUIRED
http_access allow example

為了一致性起見，這是您可以與 LDAP 一起使用的配置：

auth_param basic program /usr/lib/squid/ldap_auth -ZZ -b "dc=example,dc=com" -f "(&(uid=%s)(!(gn=noaccess))(!(cn=noaccess)))" -h ldap.example.org -v 3
acl ldap proxy_auth REQUIRED
http_access allow ldap
http_access deny all

它的作用是嘗試使用 uid 對 LDAP 伺服器 ldap.example.org 的使用者進行身份驗證（最好使用 IP 地址），並且當 gn 等於“noaccess”或 cn 等於“noaccess”時，它不會允許訪問。

它將拒絕訪問其他所有內容。

引用自：https://serverfault.com/questions/369320