IPS Signature engine

Hello

In database verification IPS signature, I noticed that there is an engine named column.

A few signatures are other atomic IP normalizer, I don't know if there is a third value.

But what the values mean?

Another question, if a signature Action is set to "block the attacker inline" it doesn't block the attacker IP address for a right to an hour?

Also is there a way to know, IPS, which are the Group of IP addresses blocked for an hour and when?

First of all, let me clarify the differences between the actions of blocking and to refuse :

block - relies on an external device, such as a firewall or a router, to implement the action via a shun or entry ACL

deny - executes the action directly on the sensor IPS, requires that the sensor is configured for inline operation

All the output in the output of 'see the network access statistics' refers to the actions of block . "AllowSensorBlock" is a parameter that allows the sensor IPS add IP of its management to a blocking action sought; This is not usually recommended.  To set the time-out for the blocks to stay active you'd use the 'global-block-timeout' command in the CLI:

sensor# configure terminal
sensor(config)# service event-action-rules rules0 
sensor(config-rul)# 
sensor(config-rul)# general
sensor(config-rul-gen)# global-block-timeout 30
The timeout is specified in minutes.

Tags: Cisco Security

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