Cisco Cisco IPS 4255 Sensor

Inspection load statistics—Displays the inspection load history across varying time periods. 

HTTP advanced decoding— Enables deeper inspection of HTTP traffic. 

HTTP advanced decoding is supported on the IPS 4345, IPS 4360, ASA  5585-X  IPS  SSP, 
ASA  5525-X  IPS  SSP, ASA  5545-X  IPS  SSP, and ASA  5555-X  IPS  SSP.

Enabling HTTP advanced decoding severely impacts system performance.

The default value of the Cisco server IP address has been changed from 198.133.219.25 to 
72.163.4.161 in the Auto Update URL configuration. If you have automatic update configured on 
your sensor, you may need to update firewall rules to allow the sensor to connect to this new IP 
address.

For a list of the IPS 7.1(5)E4 features, refer to 

For more information about signature threat profiles, refer to 

.

For more information about inspection load statistics, refer to 

. 

For more information about HTTP advanced decoding, refer to 

.

For more information about automatic update, refer to 

You can find major and minor updates, service packs, signature and signature engine updates, system 
and recovery files, firmware upgrades, and Readmes on the Download Software site on Cisco.com. 
Signature updates are posted to Cisco.com approximately every week, more often if needed. Service 
packs are posted to Cisco.com in a release train format, a new release every three months. Major and 
minor updates are also posted periodically. Check Cisco.com regularly for the latest IPS software.

You must have an account with cryptographic access before you can download software. You set this 
account up the first time you download IPS software from the Download Software site. 

You must be logged in to Cisco.com to download software. You must have an active IPS maintenance 
contract and a Cisco.com password to download software. You must have a sensor license to apply 
signature updates. 

To download software on Cisco.com, follow these steps:

Log in to 

.

From the Support drop-down menu, choose Download Software.

Under Select a Software Product Category, choose Security Software.

Choose Intrusion Prevention System (IPS).