ADSL2+ (802.11g) (VPN) Firewall Router
Chapter 4: Configuration
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Default value is 86400 seconds.
DoS Attack Block Duration
: This is the duration for blocking hosts that attempt a possible
Denial of Service (DoS) attack. Possible DoS attacks this attempts to block include
Ascend Kill
and
WinNuke
. Default value is 1800 seconds.
Max TCP Open Handshaking Count
: This is a threshold value to decide whether a
SYN Flood
attempt
is occurring or not. Default value is 100 TCP SYN per seconds.
Max PING Count
: This is a threshold value to decide whether an
ICMP Echo Storm
is occurring or not.
Default value is 15 ICMP Echo Requests (PING) per second.
Max ICMP Count
: This is a threshold to decide whether an
ICMP flood
is occurring or not. Default value
is 100 ICMP packets per seconds except ICMP Echo Requests (PING).
For
SYN Flood
,
ICMP Echo Storm
and
ICMP flood
, IDS will just warn the user in the Event Log. It cannot
protect against such attacks.