Cisco Cisco Web Security Appliance S170 Guía Del Usuario
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Cisco IronPort AsyncOS 7.7 for Web User Guide
Chapter 5 Web Proxy Services
Advanced Proxy Configuration
For example, if you enter wsa.example.com in the Hostnames field and pacfile1.pac in the Default PAC
File for “Get/” Request through Proxy Port field, then requests for http://wsa.example.com/ fetch
pacfile1.pac and requests for http://wsa.example.com/default.pac fetch default.pac.
File for “Get/” Request through Proxy Port field, then requests for http://wsa.example.com/ fetch
pacfile1.pac and requests for http://wsa.example.com/default.pac fetch default.pac.
Step 9
Optionally, repeat step
to configure a default PAC file name for all hostnames that resolve to the Web
Security appliance.
Step 10
Submit and commit your changes.
Understanding WPAD Compatibility with Netscape and Firefox
Netscape and Firefox browsers only use DNS to automatically detect PAC files using WPAD. Therefore,
if you want Netscape and Firefox browsers to automatically detect a PAC file stored on the Web Security
appliance, you must complete the following steps:
if you want Netscape and Firefox browsers to automatically detect a PAC file stored on the Web Security
appliance, you must complete the following steps:
1.
Name the PAC file wpad.dat.
2.
Navigate to the Security Services > Web Proxy page, and delete port 80 from the HTTP Ports to
Proxy field.
Proxy field.
3.
Use port 80 as the PAC Server Port when you upload the file to the appliance.
For more information about using WPAD, see
.
Note
These steps also work with Internet Explorer. However, for Internet Explorer version 6, create a copy of
wpad.dat and name it wpad.da.
wpad.dat and name it wpad.da.
Advanced Proxy Configuration
AsyncOS includes the
advancedproxyconfig
CLI command so you can configure more advanced Web
Proxy configurations, such as authentication and DNS parameters.
The
advancedproxyconfig
command includes the following subcommands: