Introduction
This document provides the following information for FortiOS IPS Engine version 3.443.
| Bug ID | Description |
| 443479 | Support for FortiSandbox Sniffer user defined file extensions. |
l What’s New in IPS Engine 3.443 l Product Integration and Support l Resolved Issues
For additional FortiOS documentation, see the Fortinet Document Library.
What’s New in IPS Engine 3.443
Product Integration and Support
Fortinet Product Support
The following table lists IPS engine product integration and support information:
| FortiOS | 5.2.0 and later
5.4.0 and later 5.6.0 and later |
| FortiClient | 5.4.0 and later (Windows and Mac)
5.6.0 and later (Windows and Mac) |
Resolved Issues
The resolved issues listed below do not list every bug that has been corrected with this release. For inquires about a particular bug, please contact Customer Service & Support.
| Bug ID | Description |
| 446858 | Fixed a crash caused by a NULL pointer de-reference. |
| 445900
446782 |
Fixed two SSL deep inspection bugs. |
| 444268 | Fix IPS engine high CPU usage caused by TCP RST packets with data. |
| 444811 | Fix a crash in the IPS HTTP decoder on some proxy traffic. Fixed IPS_CONTEXT_URI_ DECODED context field_start and field_end value for proxy traffic. |
| 440277 | Fixed a random detection miss, and a random crash in SSL packet scanning. |
| 411415 | Support session clearing by VDOM. |
| 379449 | Updated the Brotli library to match the version used by Chromium 61. |
| 450442 | Fixed crashes caused by configuration errors in IPS sensors. |
| 444237 | Fixed two bugs in the SMB2 decoder that may cause high memory usage. |
| 403562 | Fixed a bug that could cause FortiOS to enter conserve mode because of memory corruption. |
| 451677 | Fixed a bug that caused the IPS engine to incorrectly identify Phoenix PACS traffic as BitTorrent traffic. |
| 451763 | Fixed a bug that caused the IPS engine to drop STUN packets because they were identified as partial SSL records. |
| 460391 | Fix crashes in the update_ftp_scan_ret function. |
| 448646 | Fix high CPU usage caused by retransmission bugs. |
| 450693
460635 |
Fixed a bug that caused the ERR_SSL_DECRYPT_ERROR_ALERT message when SSL deep scanning is enabled. |