> Source: [sk109272](https://support.checkpoint.com/results/sk/sk109272)

# sk109272 - "Illegal characters in application-group name" when adding URL Filtering Category via CLI 

| Property | Value |
|----------|-------|
| Solution ID | sk109272 |
| Date Created | 2015-12-25 |
| Last Modified | 2017-01-23 |
| Technical Level | Advanced |
| Products | Security Gateway, Spark Firewall (Locally Managed) |
| Versions | R82.10, R82, R81.20, R82.00.X, R81.10.X |

## Symptoms

- "Illegal characters in application-group name" error when adding an application-group via CLI to the "Critical Risk" group or any other group that contains space in the name on Check Point 600 appliance running R77.20.11.

## Cause

Security validation error in *application-name* field when space is used - the group name is shown as "Critical\\ Risk", with the forbidden character: "\\".

## Solution

This solution requires authentication. Please log in to view the full solution.

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content