S W G U s e r G u i d e
21
Chapter 3: Defining and Customizing Security Policies
•
M86
Emergency
Policy
— allows immediate site‐wide implementation of special emergency
measures.
You can also create Block/Warn messages for use in Conditions, and edit Message templates.
This chapter contains the following procedures:
•
Editing a Pre‐supplied Security Policy in Simplified Mode
•
Defining a Security Policy in Advanced Mode
•
Defining a Rule in a Security Policy
•
Defining Conditions in a Security Policy Rule
•
Creating a Block/Warn Message
•
Editing a Message Template.
Editing a Pre-supplied Security Policy in Simplified
Mode
Â
To edit a Security policy in Simplified mode
1. Select
Policies
Æ
Security
Æ
Simplified
.
2. Click the Security policy and then the condition type in that policy to display the appropriate Lists
for editing.
3. For checklist‐type content, that is, for a
URL
Categorization
or
True
Content
Type
list:
a. Click
Edit
.
b. Select the appropriate checkboxes in the list. If displayed, you can use the
Select/Deselect
All
checkbox.
c. Click
Save
.
4. For
URL
List
content, do the following:
a. Click
Edit
.
b. In the
URL
tab, for each URL that you want to add to the list, click the
, specify the URL, and
optionally specify a description.
c. In the
Regular
Expressions
tab, for each expression that you want to list, click the
, specify
the expression, and optionally specify a description.
d. Click
Save
.
5. For
File
Extension
content:
a. Click
Edit
.
b. For each file extension that you want to list, click the
, and specify the File Extension.
NOTE:
You
should
perform
a
Save
after
each
list
you
edit
rather
than
at
the
end
of
all
editing;
therefore
must
click
Edit
before
each
list
that
you
edit.
IMPORTANT:
Keep
in
mind
that
Bypassed
items
are
passed
on
without
security
checks,
White
List
items
are
allowed
in
but
run
through
security
first,
and
Black
List
items
are
blocked
at
the
outset.