C
HAPTER
4
| Configuring the Router
Security
– 83 –
◆
Packets Statistics Interval (5~60)
- The default value is 10. Select
a value between 5 and 60 seconds from the drop-down list. The Packets
Statistics Interval value indicates the time section of the packets
statistics. The result of the statistics is used for analysis by SYN Flood,
UDP Flood and ICMP-Flood.
◆
DoS Protection
- Denial of Service protection. Check the Enable or
Disable button to enable or disable the DoS protection function. Only
when it is enabled, will the flood filters be enabled.
N
OTE
:
Dos Protection will take effect only when the Traffic Statistics in
“
System Tool > Traffic Statistics
” is enabled.
◆
Enable ICMP-FLOOD Attack Filtering
- Enable or Disable the ICMP-
FLOOD Attack Filtering.
◆
ICMP-FLOOD Packets Threshold (5~3600)
- The default value is
50. Enter a value between 5 ~ 3600. When the current ICMP-FLOOD
Packets number is beyond the set value, the Router will startup the
blocking function immediately.
◆
Enable UDP-FLOOD Filtering
- Enable or Disable the UDP-FLOOD
Filtering.
◆
UDP-FLOOD Packets Threshold (5~3600)
- The default value is
500. Enter a value between 5 ~ 3600. When the current UPD-FLOOD
Packets number is beyond the set value, the Router will startup the
blocking function immediately.
◆
Enable TCP-SYN-FLOOD Attack Filtering
- Enable or Disable the
TCP-SYN-FLOOD Attack Filtering.
◆
TCP-SYN-FLOOD Packets Threshold (5~3600)
- The default value
is 50. Enter a value between 5 ~ 3600. When the current TCP-SYN-
FLOOD Packets numbers is beyond the set value, the Router will startup
the blocking function immediately.
◆
Ignore Ping Packet From WAN Port
- Enable or Disable Ignore Ping
Packet From WAN Port. The default setting is disabled. If enabled, the
ping packet from the Internet cannot access the Router.
◆
Forbid Ping Packet From LAN Port
- Enable or Disable Forbid Ping
Packet From LAN Port. The default setting is disabled. If enabled, the
ping packet from LAN cannot access the Router. This function can be
used to defend against some viruses.
Click the
Save
button to save the settings.
◆
Click the
Blocked DoS Host List
button to display the DoS host table
by blocking.