> Source: [sk102671](https://support.checkpoint.com/results/sk/sk102671)

# sk102671 - Windows OS updates traffic is rejected by IPS blade with "Block HTTP Non Compliant - Failed to handle connection data"

| Property | Value |
|----------|-------|
| Solution ID | sk102671 |
| Date Created | 2014-09-24 |
| Last Modified | 2015-05-26 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- IPS blade rejects Windows OS updates traffic with the followind log in SmartView Tracker:

```

Type: Log
Action: Reject
Service: http (80)
Protocol: tcp
Attack: Block HTTP Non Compliant
Product: IPS Software Blade
Reason: Failed to handle connection data
Protection Name: Non Compliant HTTP
```

## Cause

A new feature for HTTP 206 parsing for Threat Emulation was added in R77.10 that is causing the incorrect validation of the Windows update URL.

## Solution

This solution requires authentication. Please log in to view the full solution.

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