Scenario: A Citrix Engineer is reviewing the log files for a protected application. The engineer discovers a lot of errors pertaining to invalid data being supplied by users.
Which protection can the engineer implement at the Citrix Web App Firewall to reduce these errors?

Scenario: A Citrix Engineer has migrated an application to NetScaler to secure it from application layer attacks. The engineer receives a complaint that the application is timing out while users are actively accessing the page. Those users are forced to reestablish the connection.
What can be the cause of this issue?

A Citrix Engineer has received the following message after setting up Application Firewall in Learning mode.
August 28 6 03:14:27 <local0.info>XXX.0.0.2.08/28/2017:03:14:27 GMT VPXExtProd01 0-PPE-0:
default GUI CMD_EXECUTED 1670370 0: User CitrixAdmin- Remote_ip XXX.19.XXX.XXX- Command "show appfwlearningdata WebPub_vs_af_1 startURL"- Status "ERROR:
Communication error with aslearn"
What can the engineer perform to resolve the issue?

Which protection ensures that links to sensitive pages can only be reached from within an application?

A Citrix Engineer needs to configure Relaxation Rules using the learned data for SQL Injection. Which setting can the engineer enable in order to avoid false-positive learned rules?