# R81.10.17 for Spark Firewall Appliances

**Solution ID:** sk183153  
**Technical Level:** Basic

**Product:** Spark Firewall  
**Version:** R81.10.X  
**OS:** Gaia Embedded  
**Platform:** 1500, 1570R, 1575R, 1595R, 1600, 1800, 1900, 2000  
**Last Modified:** 2026-07-06

## Solution

**Check Point's latest version for all Spark Firewall deployments is R81.10.17.**  
**For more info about all Spark Firewall R81.10.x releases, refer to the [Release map](https://support.checkpoint.com/results/sk/sk179615) article.**

## Introduction
Spark Firewall R81.10.17 includes major improvements to WebUI speed and responsiveness, enabling you to load pages faster. In addition, the release includes memory optimizations, specifically for the 15x0 models, as well as multiple bug fixes. Most of these capabilities are available both in the WebUI and in the Spark Firewall Management application, and affect different UI aspects such as the Overview page, objects view, reports and cluster configuration.  
**Click [here](https://www.youtube.com/playlist?list=PLMAKXIJBvfAjPa7C36ANIsAv59kmtKFyL) to see the general playlist of feature videos.**  
**This document was last updated on 6 July 2026.**  
**Note:** The latest GA Replacement Build 996004914 includes code fixes for VPN CVEs: [CVE-2026-50751](https://support.checkpoint.com/results/sk/sk185033) and [CVE-2026-50752](https://support.checkpoint.com/results/sk/sk185035) found in earlier Build 998004901.

## What's New in R81.10.17

**Security**  
- Spark support for DoS / Rate Limiting protocols for enhanced protection against DoS (Denial-of-Service) attacks. See the [R81.10.X Spark Firewall Appliances CLI Reference Guide](https://sc1.checkpoint.com/documents/SMB_R81.10.X/CLI/EN/Default.htm) \> Chapter "Working with SecureXL".

**Networking**  
- Optimized configuration for 1530/1550/1570/1590 (2GB) appliances.  
- Enhanced UI experience to efficiently manage dozens of VLANS, Access Rules, and network objects.  
- Improved cluster usability, stability and ease of configuration.

## Status of Features
This section shows the status of various features after a clean install of the R81.10.17 release or after an upgrade to the R81.10.17 release:

- Some features will be disabled by default to decrease the utilization of CPU and RAM.  
- Some features will be enabled by default to increase security.  
- Some features will keep their status from a previous version.

| Feature | 1530, 1550, 1570, 1590, 1570R | 1535, 1555, 1575, 1595, 1575R, 1595R | 1600, 1800, 1900, 2000 | How to Enable/Disable the Feature |
| --- | --- | --- | --- | --- |
| IoT | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Firewall Management: **configured in the Plan object and in the Gateway object**  
**Note - IoT is not supported for Ruggedized appliances.** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Firewall Management: **configured in the Plan object and in the Gateway object**  
**Note - IoT is not supported for Ruggedized appliances.** | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Access Policy** view  
2. **Firewall** section  
3. **IoT** page  
In the Spark Management service, you can control the status of this feature in the **Plans** view:  
1. Edit the relevant **Plan** object  
2. **Security Software Blades** category  
3. **IoT** page  
4. Enable **Manage in SMP**  
5. Configure the required settings  
6. Click **Save**  
In the Spark Management service, you can control the status of this feature in the **Gateways** view:  
1. **Gateways** page  
2. Edit the relevant **Gateway** object  
3. **Security Software Blades** category  
4. **IoT** page  
5. If it is necessary to override a Plan, then click **Locked to plan**  
6. Enable **Manage in SMP**  
7. Configure the required settings  
8. Click **Save**  
| 
| SD-WAN | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Access Policy** view  
2. **Firewall** section  
3. **SD-WAN** page  
In the Spark Management service, you can control the status of this feature in the **Plans** view:  
1. Edit the relevant **Plan** object  
2. **Security Software Blades** category  
3. **SD-WAN** page  
4. Enable **Manage in SMP**  
5. Configure the required settings  
6. Click **Save**  
In the Spark Management service, you can control the status of this feature in the **Gateways** view:  
1. **Gateways** page  
2. Edit the relevant **Gateway** object  
3. **Security Software Blades** category  
4. **SD-WAN** page  
5. If it is necessary to override a Plan, then click **Locked to plan**  
6. Enable **Manage in SMP**  
7. Configure the required settings  
8. Click **Save**  
|
| Smart Accel | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **keeps the previous status** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **keeps the previous status** | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **keeps the previous status** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Access Policy** view  
2. **Firewall** section  
3. **Fast Accel** page |
| Hit Count | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Access Policy** view  
2. **Firewall** section  
3. **Policy** page  
4. **More** menu  
5. **Hit Count Settings** |
| Device recognition | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **disabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Device** view  
2. **Network** section  
3. **Local Network** page  
4. Edit the internal port / WiFi port  
5. **Advanced** tab  
6. **Assets Management** section  
7. The checkbox **Enable device recognition** |
| Remove Jitter from probing | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled**  
- If managed by Spark Management: **configured in the Plan object and in the Gateway object** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Device** view  
2. **Network** section  
3. **Internet** page  
4. Edit the Internet connection  
5. **Connection Monitoring** tab  
6. **Advanced Probing Settings** section  
In the Spark Management service, you can control the status of this feature in the **Plans** view:  
1. Edit the relevant **Plan** object  
2. **Device Settings** category  
3. **Probing Settings** page  
4. Enable **Manage in SMP**  
5. In the **Quality Check Methodology** section, select **Best Practice**  
6. Click **Save**  
In the Spark Management service, you can control the status of this feature in the **Gateways** view:  
1. **Gateways** page  
2. Edit the relevant **Gateway** object  
3. **Device Settings** category  
4. **Probing Settings** page  
5. If it is necessary to override a Plan, then click **Locked to plan**  
6. Enable **Manage in SMP**  
7. In the **Quality Check Methodology** section, select **Best Practice**  
8. Click **Save** |
| Probing | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **enabled**  
- After an upgrade: **keeps the previous status**  
- In a cluster (after clean install and upgrade): **disabled** | Show / Hide the procedure  
The Internet monitoring graphs are not presented.  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Device** view  
2. **Advanced** section  
3. **Advanced Settings** page  
4. Edit the parameter  
"**OS advanced settings - Enable probing in cluster**" and the parameter "**OS advanced settings - Enable probing on the standby member**" |
| Where used | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | - After a clean install: **disabled**  
- After an upgrade: **disabled**  
- In a cluster (after clean install and upgrade): **disabled** | Show / Hide the procedure  
On a Spark Firewall, you can control the status of this feature in WebUI:  
1. **Device** view  
2. **Advanced** section  
3. **Advanced Settings** page  
4. Edit the parameter  
"**WebUI settings and customizations - Enable where in use**" |

## Documentation

[**Release Notes**](https://sc1.checkpoint.com/documents/SMB_R81.10.X/RN/EN/Default.htm)   
  
**Administration Guides**   
  
**[Resolved Issues](https://support.checkpoint.com/results/sk/sk181134)**   
****   
**[Known Limitations](https://support.checkpoint.com/results/sk/sk178604)**

## Downloads
**Updated 6 July, 2026**

| **Download Package** | **1500**  
**Appliances** | **1595R**  
**Appliances** | **1600 / 1800  
/ 1900 / 2000**  
**Appliances** |
| --- | --- | --- | --- |
| **R81.10.17 Build 996004914**  
**for Local Installation** |  (IMG) |  (IMG) |  (IMG) |
| **R81.10.17 Build 996004914**  
**for Central Deployment**  
**in SmartConsole** |  (TAR) |  (TAR) |  (TAR) |
| **R81.10.17 Build 996004914**  
**for SmartUpdate** |  (TGZ) |  (TGZ) |  (TGZ) |

## Revision History
| Date | Description |
| --- | --- |
| 06 July 2026 | Release of Build Build 998004914. This GA replacement includes the code fixes for VPN CVEs: CVE-2026-50751 and CVE-2026-50752. |
| 18 June 2026 | Latest Firmware Build 998004901 includes code fix for VPN CVEs: CVE-2026-50751 and CVE-2026-50752. |
| 26 May 2026 | Release of Build 996004892. This GA replacement includes code and functionality hardening changes. |
| 03 May 2026 | Rebranding to Spark Firewall. |
| 18 September 2025 | Release of Build 996004721. |
| 10 July 2025 | Release of Build 996004653. |
| 08 June 2025 | Release of Build 996004620. |
| 23 March 2025 | First release of this document (Build 996004508). |

#### NOTE
This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.