> Source: [sk147878](https://support.checkpoint.com/results/sk/sk147878)

# sk147878 - Some HTTPS pages freeze, or do not open, on Security Gateway configured as proxy

| Property | Value |
|----------|-------|
| Solution ID | sk147878 |
| Date Created | 2019-02-25 |
| Last Modified | 2020-02-13 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Some HTTPS pages freeze or do not open on Security gateway configured as a proxy.
* "`Action Reject. Proxy: No host header. Connection was rejected since the request did not contain a host header`" log in the Logs \& Monitor view.
* Traffic capture shows that the host header is present.
* Debug shows:   
  `ws_connection_event_handler: FIN received from server side, but there are still sessions waiting to write;`
* [sk110750](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk110750) does not resolve the problem.

## Cause

The machine does not see a host header for some HTTPS sites.

## 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