Cisco Cisco Web Security Appliance S170 사용자 가이드
29-2
Cisco IronPort AsyncOS 7.5.7 for Web User Guide
Chapter 29 Common Tasks
How to Prevent Users from Accessing Streaming Media Websites During Business Hours
How to Prevent Users from Accessing Streaming Media
Websites During Business Hours
Websites During Business Hours
In this task, you will prevent all users from accessing streaming media websites during your business
hours, which you define as 8 am to 5 pm, Monday through Friday. However, you will allow them access
during the lunch hour, from noon to 1 pm. You might want to do this to reduce overall bandwidth usage
during work hours so there is sufficient capacity to accomplish work related tasks.
hours, which you define as 8 am to 5 pm, Monday through Friday. However, you will allow them access
during the lunch hour, from noon to 1 pm. You might want to do this to reduce overall bandwidth usage
during work hours so there is sufficient capacity to accomplish work related tasks.
For example, a significant number of employees have complained about slow network speeds when
trying to access SalesForce.com. Meanwhile your IT administrator has pointed out that 30% of
employees access streaming music during business hours. By blocking streaming music during business
hours only, you can increase bandwidth to allow employees to access work related sites like
SalesForce.com more quickly, while still allowing employees to access all sites during non-critical
business times.
trying to access SalesForce.com. Meanwhile your IT administrator has pointed out that 30% of
employees access streaming music during business hours. By blocking streaming music during business
hours only, you can increase bandwidth to allow employees to access work related sites like
SalesForce.com more quickly, while still allowing employees to access all sites during non-critical
business times.
This task assumes you already have defined an Identity Policy for the users you want to prevent from
accessing streaming media websites.
accessing streaming media websites.
To prevent users from accessing streaming media websites during business hours:
Step 1
Navigate to the Web Security Manager > Defined Time Ranges page.
Step 2
Click Add Time Range. The Add Time Range page appears.
Step 3
In the Time Range Name field, enter a name for this range of times you will configure, such as
Business
Hours
.
Step 4
In the Time Zone section, choose “Use Time Zone Setting from Appliance”.
Step 5
In the Time Values area, Day of Week section, select the following check boxes:
Monday, Tuesday, Wednesday, Thursday, Friday
Step 6
In the Time Values area, Time of Day section, enter
8:00
in the From field, and enter
12:00
in the To
field.
Step 7
Click Add Row to create an additional time value row.
Step 8
In the Day of Week section of the new row, check the following check boxes:
Monday, Tuesday, Wednesday, Thursday, Friday
Step 9
In the Time of Day section of the new row, enter
13:00
in the From field, and enter
17:00
in the To field.
Step 10
Click Submit.
Step 11
Navigate to the Web Security Manager > Access Policies page.
Step 12
Click Add Policy.
Step 13
In the Policy Name field, enter a policy name, such as
BlockStreamingMedia
.
Step 14
In the Insert Above Policy field, place the Access Policy group above the current top most policy group.
Step 15
In the Identities and Users section, choose “Select one or More Identities” in the dropdown field.
Step 16
In the Identity field, choose the Identity group that corresponds to the users you want to block from
accessing streaming media websites.
accessing streaming media websites.
Step 17
If the Identity requires authentication, specify which users are authorized for this policy group, such as
all authenticated users.
all authenticated users.
Step 18
Click Submit.