Advanced Security - TP-Link TL-WR843N User Manual

to support address and port translation for certain application layer "control/data" protocols
such as FTP, TFTP, H323 etc.
FTP ALG - To allow FTP clients and servers to transfer data across NAT, keep the default

Enable.
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.

4.11.2 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 4-43.
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.
TL-WR843N 300Mbps Wireless AP/Client Router User Guide
Figure 4-44 Advanced Security
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