Cisco Cisco IPS 4255 Sensor 릴리즈 노트
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Release Notes for Cisco Intrusion Prevention System 5.1(8)E2
OL-20154-01
Signature Engine Updates
Caution
The BIOS on Cisco IDS/IPS sensors is specific to Cisco IDS/IPS sensors and must only be upgraded
under instructions from Cisco with BIOS files obtained from the Cisco website. Installing a non-Cisco
or third-party BIOS on Cisco IDS/IPS sensors voids the warranty. For more information on how to obtain
instructions and BIOS files from the Cisco website, see
under instructions from Cisco with BIOS files obtained from the Cisco website. Installing a non-Cisco
or third-party BIOS on Cisco IDS/IPS sensors voids the warranty. For more information on how to obtain
instructions and BIOS files from the Cisco website, see
.
Signature Engine Updates
Cisco introduced signature engine updates to the IPS Version 5.1 train for the first time with the release
of 5.1(5)E1.Signature engine updates allow us to deliver new inspection engines more rapidly, which
increases the overall security effectiveness of the sensor. We recommend that you treat signature engine
updates like signature updates and install them immediately.
of 5.1(5)E1.Signature engine updates allow us to deliver new inspection engines more rapidly, which
increases the overall security effectiveness of the sensor. We recommend that you treat signature engine
updates like signature updates and install them immediately.
As a result of the introduction of signature engine, the IPS signature engine update nomenclature
changed from IPS-sig-S2XX-minreq-5.1-4.pkg to IPS-sig-S2XX-req-E1.pkg to reflect the new signature
engine requirements (E1).
changed from IPS-sig-S2XX-minreq-5.1-4.pkg to IPS-sig-S2XX-req-E1.pkg to reflect the new signature
engine requirements (E1).
With each signature engine release, the latest service pack and system image files are repackaged to
include the new engine update. To install a signature engine update, your sensor must be running the
required IPS version, which is contained in the filename of the signature engine update package. For
example, to install the IPS-K9-engine-E1-req-5.1-5.pkg signature engine update, your sensor must be
running IPS version 5.1(5) or later.
include the new engine update. To install a signature engine update, your sensor must be running the
required IPS version, which is contained in the filename of the signature engine update package. For
example, to install the IPS-K9-engine-E1-req-5.1-5.pkg signature engine update, your sensor must be
running IPS version 5.1(5) or later.
If you are running an earlier IPS version, such as IPS version 5.1(4), you can upgrade the sensor to
5.1(8)E2 using the service pack files.
5.1(8)E2 using the service pack files.
For More Information
For detailed information on IPS signature file naming, see
IPS 5.1(8)E2 File List
The following files are part of Cisco IPS 5.1(8)E2:
•
Readme Files
–
IPS-5.1-8-E2.readme.txt
•
IPS 5.1-8-E2 Service Pack Files
–
IPS-K9-5.1-8-E2.pkg
–
IPS-4260-K9-5.1-8-E2.pkg
–
IPS-CS-MGR-4260-K9-5.1-8-E2.zip
–
IPS-CS-MGR-K9-5.1-8-E2.zip
•
System Image Files
–
IPS-4215-K9-sys-1.1-a-5.1-8-E2.img
–
IPS-4240-K9-sys-1.1-a-5.1-8-E2.img
–
IPS-4255-K9-sys-1.1-a-5.1-8-E2.img
–
IPS-4260-K9-sys-1.1-a-5.1-8-E2.img
–
IPS-NM_CIDS-K9-sys-1.1-a-5.1-8-E2.img