
Chapter 4 Firewall
94 X Family LSM User’s Guide V 2.5.1
STEP 3
Create and add the URL patterns to the Permit/Block lists:
STEP A
In the Add URL Pattern table, select the Action to take when a web request matches
the pattern: Permit or Block.
STEP B
Type or edit the URL Pattern you want to match.
If you are using a regular expression, check the Regular Expression check box. For
details on creating regular expressions, see “
Configure URL Patterns” on page 94.
STEP C
Click Add.
The pattern is added to the Current Patterns table for the selected action (permit or
block).
Delete a Pattern in the Permit or Block List
STEP 1
From the LSM menu, select Firewall Rules > Web Filtering. Then, select the Custom Filter
List tab.
STEP 2
On the Custom Filter List page, in the Current Permit Pattern(s) or Current Block Pat-
tern(s) lock List, table, click the Delete icon for the entry to delete.
STEP 3
On the confirmation pop-up, click OK to delete the pattern and update the list.
Import URL Lists
STEP 1
From the LSM menu, select Firewall Rules > Web Filter i ng. Then, click the Custom Filter
List tab.
STEP 2
On the Custom Filter List page in the Import URL Lists table, type the filename and path for
the File to Import, or click Browse and navigate to the file.
STEP 3
Choose the Operation you want to perform when importing the list, either:
•Select Overwrite existing URL lists to delete the existing URL Lists and replace them with
the imported lists.
•Select Merge with existing URL lists to add the imported URL Lists to the existing lists.
STEP 4
Click Import to import the custom filter list file to the X family device.
Export URL Lists
STEP 1
From the LSM menu, select Firewall Rules > Web Filter i ng. Then, click the Custom Filter
List tab.
STEP 2
On the Custom Filter List page in the Export URL Lists table, click Export to save the custom
filter rule list to a file.
STEP 3
On the Custom Filter List page in the Export URL Lists table, click Export. Then, save the
resulting Custom Filter list text file.
Configure URL Patterns
Requests for access to Web sites can be permitted or blocked depending on whether the requested URL
matches a pre-set pattern.
A Pattern can be a domain name, a URL, an IP address, a simple keyword or a regular expression.
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