The debugging options enabled for DoS defense. Output goes
to the asynchronous port or telnet session that enabled
debugging.
The bit 'None(0)' indicates that no debugging is enabled.
The bit 'Attack(1)' indicates that information about the
start and finish of attacks is displayed.
The bit 'Packet(2)' indicates that a hexadecimal dump of
the IP header of all suspect packets is displayed.
The bit 'Diagnostics(3)' indicates that additional
debugging and diagnostic messages may be displayed.