● Manual: Specify the proxy address, port, and credentials. (This method lets you configure your
system with only one proxy.)
If your configuration includes automatically downloading a PAC file, there must be an expiration
associated with the file so the system knows when to download a new one. Make sure your PAC file
server includes an Expires header in its HTTP response (for example, Expires: Wed, 30 Oct 2016
09:30:00 GMT).
Your system can authenticate with a proxy using the following methods:
● Digest authentication (with either MD-5 or SHA-256 digest)
● NTLM authentication (only NTLMv2 is supported)
● Basic authentication (this insecure method is disabled by default)
● No authentication (or null authentication, meaning the proxy server doesn’t require credentials)
Your system supports the following services when configured to use a web proxy:
● Provisioning service
● Software updates
Enable the System to Use a Web Proxy
By default, your G7500 and Studio X series system configuration doesn’t use web proxies.
1. In the system web interface, go to Network > LAN Network > Web Proxy Settings.
2. Select Enable Web Proxy.
Set Up Automatic Web Proxy Configuration
With automatic web proxy configuration, your G7500 and Studio X series system obtains a URL for
downloading a proxy auto-configuration (PAC) file through DHCP option 252.
1. In the system web interface, go to Network > LAN Network > Web Proxy Settings.
2. Select Automatic Configuration.
3. Select Enable WPAD.
This option enables the web proxy auto-discovery protocol (WPAD), which helps your system
automatically download the PAC file on your network using DHCP option 252.
4. Enter the Proxy User Name and Proxy Password.
5. Select Save.
Your system automatically downloads and reads the PAC file specifying the proxy rules. The system
also automatically downloads subsequent files before the current file expires.
Set Up Semi-Automatic Web Proxy Configuration
With semiautomatic web proxy configuration, you must specify the URL your G7500 and Studio X
series system uses to download a proxy auto-configuration (PAC) file.
1. In the system web interface, go to Network > LAN Network > Web Proxy Settings.
Enable the System to Use a Web Proxy
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