> Source: [sk162399](https://support.checkpoint.com/results/sk/sk162399)

# sk162399 - Firewall policy to block/allow domains in Endpoint Security Client does not affect the sub-domains

| Property | Value |
|----------|-------|
| Solution ID | sk162399 |
| Date Created | 2019-09-23 |
| Last Modified | 2023-08-28 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |
| OS | Windows |

## Symptoms

- Firewall policy to block/allow domains in Endpoint Security Client does not affect the sub-domains.

## 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