Cisco Cisco IPS 4255 Sensor

IPS-IDSM2-K9-sys-1.1-a-5.1-8-E3.bin.gz

IPS-SSM_10-K9-sys-1.1-a-5.1-8-E3.img

IPS-SSM_20-K9-sys-1.1-a-5.1-8-E3.img

Recovery Images

IPS-K9-r-1.1-a-5.1-8-E3.pkg

IPS-4260-K9-r-1.1-a-5.1-8-E3.pkg

ISO Image

IPS-K9-cd-1.1-a-5.1-8-E3.iso

For the procedure for obtaining these files on Cisco.com, see 

.

For the procedure for installing service pack files, see 

.

For the procedure for installing system image files, refer 

For the procedure for installing recovery image files, refer to 

.

For the procedure for installing ISO image files, see 

Cisco IPS 5.1(8)E3 is supported on the following platforms:

IDS-4210 Series Sensor Appliances

IDS-4215 Series Sensor Appliances

IDS-4235 Series Sensor Appliances

IPS-4240 Series Sensor Appliances

IDS-4250 Series Sensor Appliances

IPS-4255 Series Sensor Appliances

IPS-4260 Series Sensor Appliances

WS-SVC-IDSM2 series Intrusion Detection System Module (IDSM-2)

NM-CIDS Intrusion Detection System Network Module

ASA-SSM-AIP-10 series Cisco ASA Advanced Inspection and Prevention Security Service 
Modules (AIP-SSM)

ASA-SSM-AIP-20 series Cisco ASA Advanced Inspection and Prevention Security Service 
Modules (AIP-SSM)

The following FTP servers are supported for IPS software updates:

WU-FTPD 2.6.2 (Linux) 

Solaris 2.8