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Dynamic blacklisting is a feature that detects abnormal events from endpoints and blocks the traffic from those endpoints for a configured period of time. This feature is designed to detect misbehaving endpoints rather than prevent malicious attacks, for which the system already has other mechanisms.

The DBL events and the actions to take for each event are configured by the user in a DBL profile with a set of DBL rules. The DBL profile is then assigned to a SIP trunk group. Any packets that come in to the system from that trunk group will be compared against the DBL rules configured in that DBL profile.

To View

Dbl

DBL Profile

On the SBC main screen, go to Configuration

>

 > System Provisioning

> Security Configuration > Dbl

 > Security Configuration > DBL Profile. The

Dbl

DBL Profile window is displayed.

Figure 1: Security Configuration - Dbl Profile

Image Modified

To Edit

Dbl

DBL Profile

To edit any of the

Dbl

DBL Profile in the list, click the radio button next to the

specific Dbl

specific DBL Profile name.

The Edit

Selected Dbl

Selected DBL Profile window is displayed

below

.

Figure 2: Security Configuration - Dbl Profile Edit Window

Image Modified

Make the required changes and

click Save at the right hand bottom of the panel to save the changes made

click Save.

To Create

Dbl

DBL Profile

To create a new

Dbl

DBL Profile,

click

click New Dbl Profile

tab

 tab on

the Dbl

the DBL Profile List panel.

Figure 3: Security Configuration - Dbl Profile Fields

Image Removed

The Create

New Dbl

New DBL Profile window is displayed.

Figure 4: Security Configuration - Dbl Profile Create Window

Image Modified

The following fields are displayed:

Table 1: Dbl


DBL Profile Parameters:

Parameter

Description

Name

Specifies the name of the Dynamic Black List (

Dbl

DBL) profile.

Type

Specifies the type of application being monitored.

The option is:

sip

  • SIP (default)

State

Specifies the administrative state of this rule.

The options are:

  • enabled
  • disabled
  • Disabled (default)
  • Enabled

To Delete DBL

To Delete Dbl

Profile

To delete any of the created

Dbl

DBL Profile, click the radio button next to the

specific Dbl

specific DBL Profile

which you want to delete

.

Click

Click Delete

at

 at the end of the highlighted row. A delete confirmation message appears seeking your decision.

Click Yes

Click Yes to remove the specific

Dbl

DBL Profile from the list.