> Source: [sk175166](https://support.checkpoint.com/results/sk/sk175166)

# sk175166 - Unable to create IPS exceptions for some protections

| Property | Value |
|----------|-------|
| Solution ID | sk175166 |
| Date Created | 2021-09-19 |
| Last Modified | 2021-10-05 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81.10 (EOS), R81 (EOS) |
| OS | Gaia |

## Symptoms

- * Unable to add Inspection Settings exception for some protections. Relevant protections are not listed under Inspection Settings.
* SmartConsole crashes when trying to add an exception directly to a protection selected from the IPS protections.
* Exceptions applied using the Threat Prevention policy is not effective.

## Cause

Currently there is a limitation regarding adding IPS exceptions to these protections:  

FTP Bounce  
Known Ports  
Port Overflow  
DNS Maximum Reply Length  

Exceptions added to these protections through the Threat Prevention policy are not enforced.

## Solution

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

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