Dell SonicWALL Secure Mobile Access 8.5
Administration Guide
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3 To create a custom page, select
Custom Intrusion Prevention Page
and modify the sample HTML in the
text box.
4 To view the resulting page, click
Preview
.
5 To reset the current customized error page to the default error page, click
Default Blocked Page
and
then click
OK
in the confirmation dialog box.
6 If you do not want to use a customized error page, select one of the following for the error page:
•
HTTP Error Code 400 Bad Request
•
HTTP Error Code 403 Forbidden
•
HTTP Error Code 404 Not Found
•
HTTP Error Code 500 Internal Server Error
7 When finished, click
Accept
.
Configuring Cross-Site Request Forgery Protection Settings
Cross-Site Request Forgery (CSRF) is configured independently for each Application Offloading portal. New with
this release is the Form-based Protection Method that provides a seamless solution and results in less false
positives. Optionally, you can select the original Protection Method, URL Rewrite-based Protection Method.
When a CSRF attack is detected, log entries are created in both the
Web Application Firewall > Logs
and
Logs
> View
pages. For more information about CSRF/XSRF attacks, see
How is Cross-Site Request Forgery Prevented?
To configure the settings for CSRF protection with the URL Rewrite-based Protection Method:
1 Expand the
Cross-Site Request Forgery (CSRF/XSRF) Protection
section.
2 In the
Portals
drop-down list, select the Portal to which these CSRF protection settings apply. To make
these CSRF settings the default for all portals, select
Global
.
3 Select
URL Rewrite-based Protection
from the
Protection Method
drop-down list.
4 For
Protection Mode
, select the desired level of protection against CSRF attacks. You can select
Detect
Only
to log these attacks, or
Prevent
to log and block them. Select
Disabled
to disable CSRF protection
on the portal.
5 When finished, click
Accept
.
To configure the settings for CSRF protection with the Form-based Protection Method:
1 Expand the
Cross-Site Request Forgery (CSRF/XSRF) Protection
section.
2 In the
Portals
drop-down list, select the Portal to which these CSRF protection settings apply. To make
these CSRF settings the default for all portals, select
Global
.
3 Select
Form-based Protection
from the
Protection Method
drop-down list.