centos7x64用squid做代理，https网站不能访问，求高手指点

不懂编程 2017-01-23 03:55:15

centos7.2，64位系统，用squid3.5做正向代理，象http://www.163.com网站可以访问，而https://www.baidu.com则不能访问，已打开端口443，80端口转发到了3128端口，3128端口已打开，请教大虾，为啥不能访问百度之类的网站？？？

squid.conf文件内容：



#

# 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 192.168.3.0/24	# 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



# And finally deny all other access to this proxy

http_access allow all



# Squid normally listens to port 3128

http_port 3128 transparent



# Uncomment and adjust the following to add a disk cache directory.

cache_dir ufs /var/spool/squid 100 16 256



# 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



cache_mem 64 MB

access_log /var/log/squid/access.log

cache_log /var/log/squid/cache.log

visible_hostname 192.168.3.50

iptables文件内容：



# Generated by iptables-save v1.4.21 on Mon Jan 23 02:32:00 2017

*nat

:PREROUTING ACCEPT [0:0]

:INPUT ACCEPT [0:0]

:OUTPUT ACCEPT [0:0]

:POSTROUTING ACCEPT [0:0]

-A PREROUTING -s 192.168.3.0/24 -i eht0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128

-A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128

COMMIT

# Completed on Mon Jan 23 02:32:00 2017

# Generated by iptables-save v1.4.21 on Mon Jan 23 02:32:00 2017

*filter

:INPUT ACCEPT [44:4699]

:FORWARD ACCEPT [0:0]

:OUTPUT ACCEPT [668:169344]

-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

-A INPUT -p icmp -j ACCEPT

-A INPUT -i lo -j ACCEPT

#-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 21 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 20 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 3128 -j ACCEPT

COMMIT

# Completed on Mon Jan 23 02:32:00 2017