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Re: Reverse Proxy

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> I am trying to implement a reverse proxy on a windows
> machine.  It just wont work and I have read every scrap of
> info I can find.
>
> I have 3 windows servers (Squid 2.6 and two (2) web
> servers).  My squid.conf file is below.  Can you give me
> comments.
>
> http_port 80 accel defaultsite=http://www.sample.com vhost

- remove "http://";


> acl QUERY urlpath_regex cgi-bin \?
> cache deny QUERY
> acl apache rep_header Server ^Apache
> broken_vary_encoding allow apache
>
> access_log /usr/var/logs/access.log
> cache_log /usr/var/logs/cache.log
> cache_store_log /usr/var/logs/store.log

- I think pathnames in windows are different to *nix.

>
> refresh_pattern ^ftp:           1440    20%     10080
> refresh_pattern ^gopher:        1440    0%      1440
> refresh_pattern .               0       20%
>
> cache_peer 192.168.1.5 parent 80 0 no-query originserver
> name=server_1
> acl sites_server_1 dstdomain http://www.sample.com
> sample.com
> acl our_sites dstdomain http://www.sample.com sample.com

- again remove "http://";
- these acl are redundant. just one will do. it can be re-used whenevr
needed.

> cache_peer_access server_1 allow sites_server_1
>
> cache_peer 192.168.1.121 parent 80 0 no-query originserver
> name=server_2
> acl sites_server_2 dstdomain www2.sample.com
> acl our_sites2 dstdomain www2.sample.com

- again redundancy. just one of the two will do.

> cache_peer_access server_2 allow sites_server_2
>
> http_access allow our_sites
> http_access allow our_sites2
>
> acl all src 0.0.0.0/0.0.0.0
> acl manager proto cache_object
> acl localhost src 127.0.0.1/255.255.255.255
> acl to_localhost dst 127.0.0.0/8
> 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
> http_access allow manager localhost
> http_access deny manager
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_ports

- the denies above are all redundant without any allows. the "deny all"
directly below them does the same thing, but faster.

> http_access deny all
> icp_access allow all
>
> cache_mgr postmaster@xxxxxxxxxx
> cache_effective_user www-data
> cache_effective_group www-data
> visible_hostname sample.com
>

Those are the obvious points about general config. Try "squid -k parse" to
see what squid itself thinks of the config.

Amos


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