> Source: [sk97868](https://support.checkpoint.com/results/sk/sk97868)

# sk97868 - Mobile phone users are logged out from Captive Portal every several minutes during web surfing

| Property | Value |
|----------|-------|
| Solution ID | sk97868 |
| Date Created | 2013-12-25 |
| Last Modified | 2019-01-07 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * Mobile phone users are logged out from Captive Portal every several minutes during web surfing.  

* Issue occurs for both Browser-Based Authentication and for Identity Agent based Authentication.  

* SmartView Tracker shows the following log:

  ```
  
  Product: Identity Awareness
  Action: Log Out
  Termination Reason: Session Expiration
  Identity Source: Captive Portal
  ```

## Cause

Keepalive feature for Captive Portal on Android OS and iPhone iOS has been removed because not all mobile OSs and not all mobile browsers support this feature.

## 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