TL-WR841N/TL-WR841ND/TL-WR847N 300Mbps Wireless N Router User Guide
- 49 -
TFTP ALG - To allow TFTP clients and servers to transfer data across NAT, keep the
default Enable.
H323 ALG - To allow Microsoft NetMeeting clients to communicate across NAT, keep the
default Enable.
RTSP ALG - To allow some media player clients to communicate with some streaming
media servers across NAT, click Enable.
Click the Save button to save your settings.
4.9.2 Advanced Security
Choose menu “Security → Advanced Security”, you can protect the Router from being
attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood in the screen as shown in Figure 4-40.
RTSP ALG - To allow some media player clients to communicate with some streaming media servers
across NAT, click Enable.
Figure 4-40 Advanced Security
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.
Note:
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.
