TP-Link TL-WR941HP User Manual page 70

through the use of cryptographic security services. To allow IPSec tunnels to pass
through the router, click Enable.
 ALG - It is recommended to enable Application Layer Gateway (ALG) because ALG allows
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.
3.4.8.2. Advanced Security
Go to "Advanced→Security→Advanced Security", and then you can protect the router from
being attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood in this page.
TL-WR941HP 450Mbps High Power Wireless N Router
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