Cisco Cisco Web Security Appliance S680 Guía Del Usuario
Chapter 5 Web Proxy Services
Adding PAC Files to the Web Security Appliance
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Cisco IronPort AsyncOS 7.0 for Web User Guide
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Step 2
Create an internally resolvable DNS name that starts with “wpad,” such as
wpad.example.com.
wpad.example.com.
Step 3
Place wpad.dat in the root directory of the website that will host the file, such as
wpad.example.com. For information about placing the file on the Web Security
appliance, see
wpad.example.com. For information about placing the file on the Web Security
appliance, see
Note
Due to a bug in Internet Explorer 6, create a copy of wpad.dat and change
the file name to wpad.da to work with Internet Explorer 6 users. For more
information, see
http://www.microsoft.com/technet/isa/2004/ts_wpad.mspx.
the file name to wpad.da to work with Internet Explorer 6 users. For more
information, see
http://www.microsoft.com/technet/isa/2004/ts_wpad.mspx.
Step 4
Configure the web server to set up .dat files with the following MIME type:
application/x-ns-proxy-autoconfig
Note
If you place wpad.dat on the Web Security appliance, the appliance does
this for you already.
this for you already.
Adding PAC Files to the Web Security Appliance
You can configure browsers to explicitly use the Web Proxy by using proxy
auto-config (PAC) files. You can place PAC files on the Web Security appliance,
and then configure the browsers in one of two ways: enter the URL of a PAC file
on the appliance, or set the browsers to automatically detect the PAC file by using
the Web Proxy Autodiscovery Protocol (WPAD).
auto-config (PAC) files. You can place PAC files on the Web Security appliance,
and then configure the browsers in one of two ways: enter the URL of a PAC file
on the appliance, or set the browsers to automatically detect the PAC file by using
the Web Proxy Autodiscovery Protocol (WPAD).
You can add multiple PAC files to the appliance. You might want to add multiple
PAC files if the appliance is used by multiple domains on the network. You can
use one PAC file for all browsers on a domain.
PAC files if the appliance is used by multiple domains on the network. You can
use one PAC file for all browsers on a domain.
When you add a PAC file to the appliance, you can specify one or more ports the
appliance uses to listen for PAC file requests. For information on specifying the
PAC file URL when it is hosted on the Web Security appliance, see
appliance uses to listen for PAC file requests. For information on specifying the
PAC file URL when it is hosted on the Web Security appliance, see
.
When a browser asks for a PAC file, the appliance sends the file using HTTP. The
PAC file is returned using MIME type
PAC file is returned using MIME type
application/x-ns-proxy-autoconfig
.