Setting up an Apache Proxy with Authentication

For the record, this is how I set up apache to be used as a forward-proxy with basic authentication:

Open http.conf

Uncomment the following LoadModule directives to enable proxy funcionality

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so

Add the following directives to the http.conf to enable authentication

ProxyRequests On
ProxyVia On

<Proxy *>
    Order deny,allow
    Allow from all
    AuthType Basic
    AuthName "Password Required"
    AuthUserFile password.file
    AuthGroupFile group.file
    Require group usergroup
</Proxy>

Create a password.file using the htpasswd.exe utility. Place it on the Apache Root directory

htpasswd.exe -c password.file username

Create a group.file using a text editor at the same level as the password.file with the following contents

usergroup: username

Then run apachectl restart to pick up the configuration changes.