The number of SYN segments to the same destination address
and port number per second required to activate the SYN proxying
mechanism. In order to set the appropriate threshold value, it
requires a through knowledge of the normal traffic patterns at site
For example, if the security device normally gets 2000 SYN
segments per second, the threshold value should be set at
3000/second.
This attribute displays the configured SYN attack threshold value.