Apache as proxy
HTTP proxy (caching etc)
f apache.conf
Listen 8124
NameVirtualHost *:8124
<VirtualHost *:8124>
ServerName proxy.foobar
TransferLog /var/log/apache2/proxy-access.log
ErrorLog /var/log/apache2/proxy-error.log
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteLog /var/log/apache2/rewrite.log
RewriteLogLevel 9
# Only rewrite requests that don't already have a Via: header
# If there is a possibility of this proxy being in a chain
# then you'll have to test the Via hostname value as well using something like this
RewriteCond %{HTTP:Via} !.*proxy.foobar.*
RewriteCond %{HTTP:Via} ^$
# Alter the GET /... to GET http://host/... so it is treated as
# a proxy request, and then forward it to mod_proxy immediately
RewriteRule ^/(.*) http://%{HTTP_HOST}$1 [P]
#RewriteRule (.*) [P]
</IfModule>
<IfModule mod_proxy.c>
ProxyRequests On
ProxyVia On
# don't proxy for LAN addresses
NoProxy localhost 10.0.0.0/8 127.0.0.0/8 192.168.0.0/16
# default LAN domain for use where FQDNs aren't being used
ProxyBadHeader Ignore
ProxyStatus On
ProxyPreserveHost On
# limit connections to LAN clients
<Proxy *>
Order Deny,Allow
Deny from all
Allow from 10.0.0.0/8
Allow from 127.0.0.0/8
Allow from 192.168.0.0/16
</Proxy>
</IfModule>
</VirtualHost>

