Cisco Cisco Web Security Appliance S190 Guía Del Usuario
4-11
AsyncOS 9.0.1 for Cisco Web Security Appliances User Guide
Chapter 4 Intercepting Web Requests
Client Options for Redirecting Web Requests
Web Proxy Usage Agreement
You can configure the Web Security appliance to inform users that it is filtering and monitoring their
web activity. The appliance does this by displaying an end-user acknowledgment page when a user first
accesses a browser after a certain period of time. When the end-user acknowledgment page appears,
users must click a link to access the original site requested or any other website.
web activity. The appliance does this by displaying an end-user acknowledgment page when a user first
accesses a browser after a certain period of time. When the end-user acknowledgment page appears,
users must click a link to access the original site requested or any other website.
Related Topics
•
Client Options for Redirecting Web Requests
If you choose to have clients explicitly forward requests to the web proxy, you must also decide how to
configure the clients to do this. Choose from the following methods:
configure the clients to do this. Choose from the following methods:
•
Configure Clients Using Explicit Settings. Configure clients with the web proxy hostname and
port number. See individual client documentation for details on how to do this.
port number. See individual client documentation for details on how to do this.
Note
The web proxy port uses port numbers 80 and 3128 by default. Clients can use either port.
•
Configure Clients Using a Proxy Auto-Config (PAC) File. PAC files provide clients with
instructions on where to direct web requests. This options allows you to centrally manage
subsequent changes to the proxy details.
instructions on where to direct web requests. This options allows you to centrally manage
subsequent changes to the proxy details.
If you choose to use PAC files, you must also choose where to store them and how clients will find them.
Related Topics
•
.
Using PAC Files with Client Applications
Options For Publishing Proxy Auto-Config (PAC) Files
You must publish PAC files where clients can access them. Valid locations are:
•
Web servers.
•
Web Security appliances. You can place PAC files on a Web Security appliance, which appears to
clients as a web browser. The appliance also offers additional options to manage PAC files, including
the ability to service requests that use different hostnames, ports, and file names.
clients as a web browser. The appliance also offers additional options to manage PAC files, including
the ability to service requests that use different hostnames, ports, and file names.
•
Local machines. You can place the PAC file locally on a client’s hard disk. Cisco does not
recommend this as a general solution, and it is not suited to automatic PAC file detection methods,
but it can be useful for testing.
recommend this as a general solution, and it is not suited to automatic PAC file detection methods,
but it can be useful for testing.
Related Topics
•
.
•
.