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AppExpert Applications and Templates
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Configure application authentication, authorization, and auditing
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Advanced Policy Expressions: Working with Dates, Times, and Numbers
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Advanced Policy Expressions: Parsing HTTP, TCP, and UDP Data
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Advanced Policy Expressions: IP and MAC Addresses, Throughput, VLAN IDs
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Configuring URL Set
You can perform the following tasks to configure a URL set and restrict URLs on a NetScaler platform:
1.Import a URL set (download and encrypt it). Importing a URL set in a NetScaler appliance allows you to download the URL file, adding the file to the appliance, and then encrypting the file. Until you add the URL set to the system, it will not be visible to the user.
You can download a set in the following ways:
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Download a URL set once from a specific URL using HTTP and HTTPS supported for the file download.
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Download a URL set using FTP.
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Downloading a URL set periodically, using a scheduler that periodically downloads or imports URL sets for example, IWF URL set. The time interval is set in seconds for example,
*http://10.29.102.200/urls.txt -interval 3600*.
Sample URL Set without a meta data
Sample URL Set with a meta data
http://10.102.145.135/blacklists/audio-video/categorized_av
The imported URL set is further categorized into different categories and category groups in the database. This is valid only if categories exist in the metadata of the URL set file.
Note: There can be a chance that you might have URL patterns without metadata.
Once you have downloaded the file, it is pushed into the appliance and at this point of interval, you can update, delete or display file properties. After the file is pushed into the appliance, you can modify the entries by adding further rows as it remains static.
The imported set is then stored in an encrypted file format on the NetScaler directory. The imported list contains millions of URL entries. Otherwise, the appliance returns an error message saying that the value exceeds the limit. If the imported URL set has blacklisted entries with metadata, the metadata it is detected by the appliance when it is imported.
Once you import a URL set and add it into the appliance, the URL set is available for advanced policies to identify the correct URL set during incoming URL evaluation. HTTP.REQ.HOSTNAME.APPEND(HTTP.REQ.URL).URLSET_MATCHES_ANY(<URL set name>)
2.Updating a URL set on the NetScaler appliance. Once you have pushed the file into the appliance, at this interval you can manually update a URL file by using command line interface.
3.Exporting a URL set. If you prefer a backup of the URL set, you can export the list of URL patterns and save a copy of it to a destination URL. Before you export, check whether the URL set is marked as private. If is marked private, the URL set cannot be exported.
4.Removing a URL set. If you want to delete a URL set of blacklisted entries, you can use the remove command to delete the URL set from the NetScaler appliance.
5.Displaying a URL set. You can display the properties of a URL set by using the show command.
Example:
show urlset
Name: top100 PatternCount: 100 Delimiter: RowSeparator: Interval: 0
Done
To import a URL set with meta by using the command line interface
At command prompt, type:
import urlset <name> [-overwrite] [–delimiter <character>] [-rowSeparator <character>] [-url] <url> [-interval <seconds>] [-privateSet] [-canaryUrl <URL>]
Where,
delimiter is a CSV file record with default value set as 44.
rowSeparator is a CSV file row separator with default value set as 10.
Interval is the time interval in secs, rounded to the nearest 15 minutes at which the update of urlset occurs.
CanaryURL is a URL used for testing when contents of the urlset is kept confidential.
To show URL set by using the command line interface
At the command prompt, type:
show urlset <name>
To export an URL set by using the command line interface
At the command prompt, type:
export urlset <name> <url>
To add an URL set by using the command line interface
At the command prompt, type:
add urlset <urlset_name>
To update an URL set by using the command line interface
At the command prompt, type:
update urlset <name>
To remove a URL set command by using the command line interface
At the command prompt, type:
remove urlset <name>
Example
import policy urlset top1k -url http://10.78.79.80/alytra/top1k.csv -delimiter "," -rowSeparator "n" -interval 10 -privateSet -overwrite –canaryUrl http://www.in.gr
add policy urlset top1k
update policy urlset top1k
sh policy urlset
sh policy urlset top1k
export policy urlset urlset1 -url http://www.example.com/PUT_file_1
import policy urlset top10k -url http://10.102.145.135/top10k -private
add policy urlset top10k
update policy urlset top10k
show policy urlset top10k
To import a URL set by using the GUI
Navigate to AppExpert > URL Sets, click Import to download the URL set.
To add a URL set by using the GUI
Navigate to AppExpert > URL Sets, click Add to create a URL set file for the downloaded URL set.
To edit a URL set by using the GUI
Navigate to AppExpert > URL Sets, select a URL set and click Edit to modify.
To Update a URL set by using the GUI
Navigate to AppExpert > URL Sets, select a URL set and click Update URL Set to update URL set with the latest modifications made to the file.
To Export a URL set by using the GUI
Navigate to AppExpert > URL Sets, select a URL set and click Export URL Set to export the URL patterns in a set to a destination URL and save it in that location.
Configuring URL Set
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In this article
- To import a URL set with meta by using the command line interface
- To show URL set by using the command line interface
- To export an URL set by using the command line interface
- To add an URL set by using the command line interface
- To update an URL set by using the command line interface
- To remove a URL set command by using the command line interface
- To import a URL set by using the GUI
- To add a URL set by using the GUI
- To edit a URL set by using the GUI
- To Update a URL set by using the GUI
- To Export a URL set by using the GUI
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