Manual Chapter : Managing Bot Signatures in Shared Security
Applies To:Show Versions
BIG-IQ Centralized Management
About bot signatures
You use bot signatures to identify web robots by looking for specific patterns in the headers of incoming HTTP requests. This screen displays the defined bot signatures.
You can create, modify, and delete only those bot signatures that are user-defined .
- To display the properties and modify them, if needed, click the name of a bot signature.
- To create a new user-defined bot signature, click Create.
- To delete a bot signature, select the check box to the left of the user-defined bot signature and click Delete.
- To see the properties displayed in a lower pane, select the check box to the left of a bot signature. In the Related Items area, you can click Show to see items related to this bot signature.
Create bot signatures
You use bot signatures to identify web robots by looking for specific patterns in the headers of incoming HTTP requests. Refer to the BIG-IP ® Application Security Manager™ (ASM) documentation on attack and bot signatures for more information.
- Click .
- Click Create.
- In the Name field, type a name for the bot signature.
- In the Partition setting, the Common partition is listed and cannot be changed.
In the Domains setting, you can add or delete domains.
- To add a domain, in the Domain Name field, type the name and click Add.
- To delete a domain, select a domain from the list and click Delete.
- From the Category list, select the appropriate category for the bot signature.
In the Rule setting, create a rule for the bot signature
using either simple or advanced editing.
- Select Simple
Edit Mode to create a rule by supplying what content the
user agent and the URL should match.
- From the User-agent list, select the type of match, and then type the string to be matched in the user agent.
- From the URL list, select the type of match, and then type the string to be matched in the URL.
- Select the Advanced Edit Mode to create more complex rules, such as those containing multiple search strings or a conditional text match. You type the rule expression using Snort control syntax. Snort control syntax is explained fully in the BIG-IP Application Security Manager documentation.
- Select Simple Edit Mode to create a rule by supplying what content the user agent and the URL should match.
- From the Risk list, select the risk level associated with the bot signature.
- You see that User-defined is selected for any new or modified bot signature defined by the user.
- You see that the References setting is read-only and set to N/A.
- Save any changes.
The changes to the bot signatures are saved.