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IBM Security Network Protection Firmware Version 5.3.1.1 Release Notes

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Abstract

IBM Security Network Protection Firmware Version 5.3.1.1 is a firmware update for the XGS NGIPS network protection platform. This release provides updates to IBM Security Network Protection Firmware Version 5.3.1

Content

Description

This release provides the following updates to Network Protection Firmware Version 5.3.1:
Serviceability and support enhancements
  • To manage the IBM Security Network Protection appliance in a NAT environment, a new tuning parameter is provided to override the sensor IP address with NAT public IP address in event details reported to the SiteProtector System. For more information, see technote 1884020.
Fixes for the following Outbound SSL inspection issues
  • Defect 70652: Update bundled trusted CA for outbound SSL inspection to verify server certification with modern and well-known trusted CAs.
  • Defect 71270: Server certificate validation can cause Windows Update to fail when Outbound SSL inspection is enabled.
  • Defect 69409: Firefox 37.01 does not open HTTPS pages when Outbound SSL inspection is enabled.
  • Defect 68202: Outbound SSL traffic to Yahoo is not inspected due to unsupported TLS handshake behaviors and unsupported TLS extensions ALPN and NPN.
  • Defect 71418: The management DCA update traffic that is sent from the protection interface IP can cause the appliance to crash.

    Notes:
  • It is recommended that you install the May 2015 X-Press Update, because some Outbound SSL fixes are included in that XPU.
  • The Outbound SSL inspection feature does not support the SPDY protocol. See technote 1903522 for more detail.
Fixes not related to Outbound SSL inspection
  • Defect 70769: Syslog_sshd crashes with sig6.
  • Defect 70897: Static routing rule is not active after reboot.
  • Defect 71099: Event emails not sending correctly if email object is modified or includes more than three recipients.
  • Defect 70953: Additional management access policy rule in 5.3.0.6 causes migration failure and loads factory default policies.
  • Defect 69760: [Translation] The link to machine code terms is not translated on the Software License Agreement page.
  • Defect 71435: The admin account lockout policy does not work after the appliance is rebooted.


Compatibility

The following web browsers are currently supported by the IBM Security Network Protection 5.3.1.1 local management interface:
  • Internet Explorer 10 or 11
  • Firefox 28 or later
  • Google Chrome 34 or later

To manage IBM Security Network Protection 5.3.1.1 appliances by using the SiteProtector System, you must apply the following database service packs:
  • SiteProtector System 3.0 - Install all DBSPs up to and including SP3.0 DBSP 3.0.0.35
  • SiteProtector System 3.1.1 - Install all DBSPs up to and including SP3.1.1 DBSP 3.1.1.17


Installation and Configuration

For step-by-step installation instructions, see the Installing Updates topic in the IBM Knowledge Center: For other configuration instructions, see the following topics in the IBM Knowledge Center:

Known issues

Firmware update 5.3.1.1 contains the following known issues:
  • Captive portal redirect fails after authentication for some HTTPS websites when using Outbound SSL Inspection.
  • Large file downloads might stall and eventually fail when downloading over HTTPS and using Outbound SSL Inspection.
  • HTTPS pages might stall and fail to load for clients when using Outbound SSL Inspection.
  • Sites that limit MSS or use MSS clamping will cause connections to fail over HTTPS when using Outbound SSL Inspection.
  • Websites by using the SPDY protocol fail to load over HTTPS when using Outbound SSL Inspection. See technote 1903522 for more details.


 

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Document Information

Modified date:
23 January 2021

UID

swg21959774