Technical data

176 ServerIron ADX Graphical User Interface Guide
53-1002412-01
DoS protection
13
The SYN Attacks Details page is displayed, as shown in Figure 135.
FIGURE 135 Monitoring the SYN attack details
Table 40 describes the fields available in the SYN Attacks Details page.
TABLE 40 SYN Attack Details fields
Field Description
Current Connection Rate (per
sec)
Displays the rate of all TCP traffic per second, including TCP SYN DoS attacks.
Peak Connection Rate (per
sec)
Displays the peak rate of TCP traffic encountered per second.
Current SYN Attack Rate (per
sec)
Displays the rate of TCP SYN DoS attacks per second.
Peak SYN Attack Rate (per sec) Displays the peak rate of TCP SYN attacks encountered per second.
SYN Proxy Software Statistics
SYNs Processed Displays the number of SYNs that have the SYN proxy feature enabled, received
and processed by the software.
SYN ACKs Sent Displays the number of SYN ACKs sent to the client from the software.
Valid ACKs Received Displays the number of valid ACKs received from the client, by the software.
Invalid ACKs Received Displays the number of invalid ACKs received from the client, by the software.
Fragmented Packets Allowed Displays the number of fragmented packets allowed by the software.
Fragmented Packets Dropped Displays the number of fragmented packets dropped by the software.
ACKs Without Data Drop Displays the number of ACKs received without any data drop.
Invalid Vport Packets Displays the number of packets dropped due to invalid port.
SYN Proxy Hardware Statistics
SYNs Processed Displays the number of SYNs that have the SYN-proxy enabled, received and
processed by the hardware.
SYN ACKs Sent Displays the number of SYN ACKs sent to the client from the hardware.
Valid ACKs Received Displays the number of valid ACKs from the client received by the hardware.