- 72 -
customized Network Address Translation (NAT) traversal filters to be plugged into the
gateway 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, click Enable.
• TFTP ALG - To allow TFTP clients and servers to transfer data across NAT, click
Enable.
• H323 ALG - To allow Microsoft NetMeeting clients to communicate across NAT, click
Enable.
• RTSP ALG - To allow some media player clients to communicate with some streaming
media servers across NAT, click Enable.
• SIP ALG - To allow some multimedia clients to communicate across NAT, click Enable.
Click the Save button to save your settings.
4.12.2 Advanced Security
Choose menu “Security
Advanced Security”, and then you can protect the Router from
being attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood in the screen as shown in Figure
4-63.
Figure 4-63 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
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