ProCurve 6200yl User's Guide download pdf (Page 71)

100

101

3-11

Virus Throttling

Configuring Connection-Rate Filtering

Enabling Connection-Rate Filtering and Configuring

Sensitivity

Note The sensitivity settings configured on the switch determines the Throttle

mode penalty periods as shown in Table 3-1 on page 3-12.

Syntax: connection-rate-filter sensitivity < low | medium | high | aggressive >

no connection-rate-filter

This command:

• Enables connection-rate filtering.

• Sets the global sensitivity level at which the switch

interprets a given host’s attempts to connect to a series of

different devices as a possible attack by a malicious agent

residing in the host.

Options for configuring sensitivity include:

low: Sets the connection-rate sensitivity to the lowest

possible sensitivity, which allows a mean of 54

destinations in less than 0.1 seconds, and a corresponding

penalty time for Throttle mode (if configured) of less than

30 seconds.

medium: Sets the connection-rate sensitivity to allow a

mean of 37 destinations in less than 1 second, and a

corresponding penalty time for Throttle mode (if

configured) between 30 and 60 seconds.

high:

Sets the connection-rate sensitivity to allow a mean of

22 destinations in less than 1 second, and a corresponding

penalty time for Throttle mode (if configured) between 60

and 90 seconds.

aggressive:

Sets the connection-rate sensitivity to the

highest possible level, which allows a mean of 15 routed

destinations in less than 1 second, and a corresponding

penalty time for Throttle mode (if configured) between 90

and 120 seconds.

The no connection-rate-filter command disables connection-

rate filtering on the switch.

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