Symantec Endpoint | Protection 14.3.11213.9000 Te...

Symantec Endpoint Protection (SEP) 14.3 RU9 (Version 14.3.11213.9000) is a maintenance update released in June 2024 by Broadcom. This release focuses on stability, security hardening, and expanded platform support for enterprise environments.  Key Updates in 14.3 RU9 

Security Hardening: This version expands Tamper Protection to cover additional client paths, making it harder for advanced threats to disable the security agent.

Performance Enhancements: Improved logic for applying new definitions during active scans reduces resource contention. Client Management:

Firewall Controls: Admins can now allow or block pseudonymous file submissions to Symantec directly through the console to control data privacy and bandwidth.

Notification Controls: A new option allows admins to disable the notification area icon, which prevents multiple user session processes (like SmcGui.exe) from spawning on terminal servers.

Hybrid & Cloud Sync: Enhanced data consistency between the Symantec Endpoint Protection Manager (SEPM) and the cloud console, specifically for multi-site replication environments.

Platform Support: Includes support for newer Linux distributions, such as Ubuntu 24.04 LTS (in the MP1 sub-release).  Critical Fixes 

Network Connectivity: Addresses a known issue where certain Intel Ethernet connections would reset after an upgrade if Out-of-Band scanning was enabled in the Intrusion Prevention policy.

Syslog Reporting: Added support for secure communication (TLS) when exporting logs to a Syslog server.

Definition Handling: Fixed issues where the client would sometimes fail to report the correct operational state to the cloud server.  System Requirements Recap  Component  Minimum Requirement Recommended Processor Intel Pentium 4 (2 GHz) 2-core 4-core processor RAM 4 GB or higher OS Support Windows 10/11, macOS, Linux Current LTS versions

For those managing high-traffic servers, it is recommended to review the full list of new fixes on the Broadcom Support Portal before deploying to production. 

Are you planning an upgrade from an older RU version, or are you troubleshooting a specific connectivity issue post-install?  What's new for Symantec Endpoint Protection 14.3 RU9? Symantec Endpoint Protection 14.3.11213.9000 Te...

Symantec Endpoint Protection (SEP) version 14.3.11213.9000 corresponds to Release Update 9 (RU9). This release focuses on enhancing threat intelligence controls, improving cross-platform security for Mac and Linux, and streamlining administrative workflows. Key Features in 14.3 RU9

Customizable File Submissions: Administrators can now allow or block the submission of suspicious files to Symantec directly through the management console. This feature, found under Clients > Policies > External Communications, helps organizations control data privacy while contributing to threat intelligence. Browser Protection Enhancements:

Automated Extensions: The "Enable Browser Intrusion Prevention" option now automatically loads extensions for Google Chrome and Microsoft Edge.

Management Flexibility: A new setting allows for the installation and management of browser extensions using external tools like Microsoft Intune or Chrome Browser Cloud Management. Enhanced Mac Security (Cloud-Managed):

Device Quarantining: Allows for isolating compromised or at-risk Mac devices from the network.

Host Integrity & Device Control: New capabilities include checking Mac compliance against Host Integrity rules and blocking/allowing Bluetooth devices based on specific hardware IDs.

Forensic Snapshots: On-demand forensic data collection is now available for Mac clients. Linux Improvements:

OS Support: RU9 (specifically MP1) adds support for Ubuntu 24.04 LTS.

Performance: A "Best Application Performance Scan" option was introduced for Linux to reduce CPU usage during security scans. Administrative & Infrastructure Updates

Network Optimization: The number of URLs required for the client to communicate with management servers through a proxy or firewall has been significantly reduced to simplify perimeter configuration.

Secure Logging: New settings allow for the configuration of secure TLS communication to Syslog servers. Symantec Endpoint Protection (SEP) 14

Component Upgrades: Several internal third-party components were updated, including Apache Tomcat, OpenSSL, Java, and the Microsoft JDBC Driver for SQL Server, to ensure better security and stability.

For a complete list of technical changes, you can refer to the official Broadcom support portal or download the detailed Release Notes from Broadcom TechDocs.

Symantec Endpoint Protection (SEP) version 14.3.11213.9000 is the build number for Release Update 9 (RU9). This update focuses on enhancing cross-platform capabilities, particularly for cloud-managed environments, and improving system stability through various technical fixes. Core Technical Specifications

For optimal performance, this version requires the following minimum system resources:

Processor: 2 GHz Pentium 4 (x86-64 support) with at least 2 cores; 4 cores are recommended.

RAM: 1 GB minimum, though 4 GB or more is strongly recommended for standard operations. Storage: Client: Approximately 395 MB for program data.

Manager (SEPM): 40 GB minimum (200 GB recommended) if utilizing a local SQL Server database.

Operating Systems: Comprehensive support for Windows, macOS, and Linux. This release specifically added support for newer environments like Ubuntu 24.04 LTS (via RU9 MP1). New Key Features in 14.3 RU9

The 14.3.11213.9000 build introduced several functional enhancements across different agents:

Mac Client Updates: Now supports device quarantining for isolating infected endpoints, Host Integrity compliance checks, and advanced Device Control to block or allow Bluetooth devices by VendorID.

Improved Scanning: Features the Best Application Performance Scan, designed to reduce CPU usage while maintaining security. Backup SEPM configuration and SQL database routinely (daily

Cloud Console Enhancements: Administrators can now send customized notifications to users when their devices are manually quarantined.

Network Control: A new firewall option allows or blocks pseudonymous file submissions to Symantec to refine global threat intelligence.

Browser Protection: Added Microsoft Edge support for Browser Intrusion Prevention. Technical Fixes and Components

This build addresses several known issues identified in previous iterations:

Linux Stability: Fixed issues where the Linux agent consumed high CPU during large network throughput and corrected errors in file modification timestamps.

Service Reliability: Resolved intermittent stops for the CAFServiceMain and CAFAgent services.

Third-Party Upgrades: Includes updated versions of core components such as Apache Tomcat, OpenSSL, Java, and cURL to ensure the management console remains secure.

For detailed deployment guidance or to download the build, you can visit the Broadcom Support Portal or refer to the official SEP 14.3 RU9 Release Notes.

I’ll assume you want a concise, practical guide for Symantec Endpoint Protection (SEP) version 14.3.11213.9000 covering installation, upgrade, basic configuration, troubleshooting, and best practices. I’ll provide a step‑by‑step actionable guide. If you meant a different focus (e.g., deep vulnerability analysis, admin console only, or endpoint troubleshooting), tell me and I’ll adapt.

10. Backup & recovery

• Backup SEPM configuration and SQL database routinely (daily or per policy).
• Export SEPM server settings via console (backup feature).
• Document recovery steps and test restores periodically.

Network Threat Protection (IPS)

The built-in Intrusion Prevention System (IPS) signatures were updated to cover:

• Log4Shell (CVE-2021-44228) network-based exploits.
• PrintNightmare (CVE-2021-34527) attempts.
• SMBv3 compression attacks (CVE-2020-0796).

Additionally, Generic Exploit Blocking (GEB) now works on Windows 11 22H2 and Server 2022.

4. Known Issues

• Telemetry and Logging: In some isolated cases, enabling high-level debug logging for the Smc.exe process may cause high CPU utilization on low-resource endpoints. It is recommended to disable debug logging after troubleshooting.
• Hardware Compatibility: Certain third-party VPN clients may experience network blocking upon initial installation of this build. Symantec recommends creating a specific "Allow" firewall rule for trusted VPN executables prior to deployment.

4. Upgrade path (SEPM and Clients)

• Always read official release notes for build compatibility and known issues.
• Backup SEPM and SQL DB.
• Check client compatibility: Confirm the older clients can be upgraded to 14.3.11213.9000; plan phased rollout (test group → pilot → production).
• Update SEPM first, then management console components, then create updated client packages.
• Deploy client upgrade via SEPM policies, using scheduled rollout and monitoring.
• Validate agent version and functionality (updates, scans, policies apply).

3. Upgrade Considerations

• LiveUpdate: This build is often delivered via the LiveUpdate technology. If you are upgrading from SEP 14.3 RU1 (build 11065.x), this patch is applied automatically if configured to do so in the SEPM.
• Operating System Support: This build continues support for Windows 10 and Windows Server 2016/2019. Administrators should verify that the Windows 10 version they are running is supported under the Symantec Software Compatibility Matrix.
• Rollback: If issues arise, the uninstaller for this build returns the client to the previous base version (14.3 RU1), though a clean reinstall is often recommended for critical failures.

Should you run this build in 2025?

No. Broadcom has released SEP 14.3 RU9 and is actively pushing customers to Symantec Endpoint Security Complete (SESC) , the cloud-native version. Build 14.3.11213.9000 reached End of Standard Support in April 2023. Unpatched installations are vulnerable to CVE-2023-23415 (an ICMP remote code execution flaw in the firewall driver) and CVE-2024-26327 (a quarantine bypass).