Avaya Business Secure Router 252 Configuration - Basics Uživatelský manuál stáhnout pdf (Strana 192)

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192 Chapter 11 Firewall screens

NN47923-500

The Business Secure Router also sends alerts whenever TCP Maximum

Incomplete is exceeded. The global values specified for the threshold and timeout

apply to all TCP connections. Click the Attack Alert tab to bring up the screen

shown in Figure 61.

Figure 61 Attack alert

Table 41 describes the fields in Figure 61.

Table 41 Attack alert

Label Description

Generate alert when

attack detected

A detected attack automatically generates a log entry. Check this

box to generate an alert (as well as a log) whenever an attack is

detected.

Denial of Service Thresholds

One Minute Low This is the rate of new half-open sessions that causes the firewall

to stop deleting half-open sessions. The Business Secure Router

continues to delete half-open sessions, as necessary, until the rate

of new connection attempts drops below this number.

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