> Source: [sk181143](https://support.checkpoint.com/results/sk/sk181143)

# sk181143 - "The URL you requested could not be found on this server." error when accessing Captive Portal

| Property | Value |
|----------|-------|
| Solution ID | sk181143 |
| Date Created | 2023-07-04 |
| Last Modified | 2024-10-31 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82, R81.20, R81.10 (EOS), R81 (EOS) |

## Symptoms

- * When attempting to access the Captive Portal through this URL: `https://<GW_IP> /connect`, this error message shows: "`The URL you requested could not be found on this server`."
* NAC kernel debug shows: "`request didn't come from an internal interface as configured;`".

## Cause

The Captive Portal only permits access from internal interfaces. The interface used to access the portal is categorized as external in the topology.

## 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
