Cisco Cisco IPS 4255 Sensor

 lists platform-independent Cisco IPS software release examples. 

 describes platform-dependent software release examples.

Signature update

1

1.

Signature updates include the latest cumulative IPS signatures.

Weekly

sig

S369

IPS-sig-S369-req-E4.pkg

Signature engine 
update

2

2.

Signature engine updates add new engines or engine parameters that are used by new signatures in later signature updates.

As needed

engine

E4

IPS-engine-E4-req-7.0-1.pkg

Service packs

3

3.

Service packs include defect fixes.

Semi-annually 
or as needed

—

7.0(4) IPS-K9-7.0-4-E4.pkg

Minor version update

4

4.

Minor versions include new minor version features and/or minor version functionality.

Annually

—

7.1(1)

IPS-K9-7.1-1-E4.pkg

IPS-AIM-K9-7.1-1-E4.pkg 
is the minor version update 
for the AIM IPS. 
IPS-NME-K-9-7.1-1-E4.pkg 
is the minor version update 
for the NME IPS. 

Major version update

5

5.

Major versions include new major version functionality or new architecture.

Annually

—

7.0(1)

IPS-K9-7.0-1-E4.pkg

Patch release

6

6.

Patch releases are for interim fixes.

As needed

patch

7.0(1p1)

IPS-K9-patch-7.0-1pl-E4.pkg

Recovery package

7

7.

The r 1.1 can be revised to r 1.2 if it is necessary to release a new recovery package that contains the same underlying 
application image. If there are defect fixes for the installer, for example, the underlying application version may still be 7.0(4), 
but the recovery partition image will be r 1.2.

Annually or as 
needed

r

1.1-7.0(1) IPS-K9-r-1.1-a-7.0-1-E4.pkg

System image

1

Annually

sys

Separate file 
for each sensor 
platform

IPS-4240-K9-sys-1.1-a-7.0-1-E4.img

Maintenance 
partition image

2

Annually

mp

IDSM2 c6svc-mp.2-1-2.bin.gz