Web App Firewall

13.0 12.1 12.0 11.1 10.5

FAQs and Deployment Guide
Introduction to Citrix Web App Firewall
Configuring the Web App Firewall
- Enabling the Web App Firewall
- The Web App Firewall Wizard
- Manual Configuration
- Manual Configuration By Using the Configuration Utility
- Manual Configuration By Using the Command Line Interface
Signatures
- Manually Configuring the Signatures Feature
- Adding or Removing a Signatures Object
- Configuring or Modifying a Signatures Object
- Protecting JSON Applications using Signatures
- Updating a Signatures Object
- Snort rule integration
- Exporting a Signatures Object to a File
- The Signatures Editor
- Signature Updates in High-Availability Deployment and Build Upgrades
Overview of Security checks
Top-Level Protections
- HTML Cross-Site Scripting Check
- HTML SQL Injection Checks
- HTML Command Injection Protection
- JSON Command Injection Protection
- XML External Entity Protection
- Buffer Overflow Check
- Web App Firewall Support for Google Web Toolkit
Cookie Protection
- Cookie Consistency Check
- Cookie Hijacking Protection
- SameSite cookie attribute
Data Leak Prevention Checks
- Credit Card Check
- Safe Object Check
Advanced Form Protection Checks
- Field Formats Check
- Form Field Consistency Check
- CSRF Form Tagging Check
- Managing CSRF Form Tagging Check Relaxations
URL Protection Checks
- Start URL Check
- Deny URL Check
XML Protection Checks
- XML Format Check
- XML Denial-of-Service Check
- XML Cross-Site Scripting Check
- XML SQL Injection Check
- XML Attachment Check
- Web Services Interoperability Check
- XML Message Validation Check
- XML SOAP Fault Filtering Check
JSON Protection Checks
- JSON DOS Protection
- JSON SQL Protection
- JSON XSS Protection
Managing Content Types
Profiles
- Creating Web App Firewall Profiles
- Enforce HTTP RFC compliance
- Configuring Web App Firewall Profiles
- Changing an Web App Firewall Profile Type
- Web App Firewall Profile Settings
- Detailed troubleshooting with WAF logs
- File Upload Protection
- Exporting and Importing an Web App Firewall Profile
- Configuring and Using the Learning Feature
- Dynamic Profiling
- Supplemental Information about Profiles
Policy Labels
Policies
- Firewall Policies
- Auditing Policies
Imports
- Importing and Exporting Files
Global Configuration
- Engine Settings
- Confidential Fields
- Field Types
- XML Content Types
- JSON Content Types
Statistics and Reports
Web App Firewall Logs
Appendices
- PCRE Character Encoding Format
- Whitehat WASC Signature Types for WAF Use
- Streaming Support for Request Processing
- Trace HTML Requests with Security Logs
- Web App Firewall Support for Cluster Configurations
Debugging and Troubleshooting
- High CPU
- Memory
- Large File Upload Failure
- Learning
- Signatures
- Trace Log
- Miscellaneous
- References
Signatures Alert Articles
- How to receive notification for signature updates
- Signature update version 27
- Signature update version 28
- Signature update version 29
- Signature update version 30
- Signature update version 32
- Signature update version 33
- Signature update version 34
- Signature update version 35
- Signature update version 36
- Signature update version 37
- Signature update version 38
- Signature update version 39
- Signature update version 40
- Signature update version 41
- Signature update version 42
- Signature update version 43
- Signature update version 44
- Signature update version 45
- Signature update version 46
- Signature update version 47
- Signature update version 48
- Signature update version 49
- Signature update version 50

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Large file upload failures

September 21, 2020

Contributed by:

When you encounter large file upload failures, ensure that you check the following:

– Misconfigured application firewall postbody limit – Enabled file upload scanning leading to increased processing time. – Hitting system limits.

For payloads greater than 20 MB, Citrix recommends you to enable streaming on the application firewall profile. Also, you must ensure the back-end server supports chunked requests before enabling streaming.

Since release 11.0, the streaming flag can be enabled on per profile basis to avoid buffering by executing the following command:

set appfw profile <profile name> -streaming on

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Web App Firewall

Large file upload failures

September 21, 2020

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September 21, 2020

Contributed by:

Large file upload failures

Large file upload failures

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