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Archer C2 AC750 Wireless Dual Band Gigabit Router
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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.
SIP ALG - To allow SIP clients and servers 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.
Click the Save button to save your settings.
4.13.2 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 4-70.
Figure 4-70 Advanced Security
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.