> Source: [sk180267](https://support.checkpoint.com/results/sk/sk180267)

# sk180267 - "Network URL Filtering" feature on a Harmony Endpoint Security client blocks all IPv6 connections

| Property | Value |
|----------|-------|
| Solution ID | sk180267 |
| Date Created | 2022-11-10 |
| Last Modified | 2022-11-14 |
| Technical Level | General |
| Products | Endpoint Security |
| Versions | Cloud, R82.10, R82, R81.20 |
| OS | Windows |

## Symptoms

- When "Network URL Filtering" feature is enabled, all IPv6 traffic is blocked.

## Solution

This problem was fixed. The fix is included starting from:

* [Harmony Endpoint Security Client E86.80](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk180149&partition=Basic&product=Endpoint)

Check Point recommends to always upgrade to the [most recent version](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doShowproductpage&productTab=overview&product=175).

---

# 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
