TP-Link TL-MR3220 User Guide - Page 74

Advanced Security, TL-MR3220, Enabled, FTP ALG, H323 ALG, Security

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TL-MR3220 3G/3.75G Wireless Lite N Router the use of cryptographic security services. To allow IPSec tunnels to pass through the Router, keep the default, Enabled. ¾ 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. z FTP ALG - To allow FTP clients and servers to transfer data across NAT, keep the default Enable. z TFTP ALG - To allow TFTP clients and servers to transfer data across NAT, keep the default Enable. z H323 ALG - To allow Microsoft NetMeeting clients to communicate across NAT, keep the default 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 4-45. -67-

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TL-MR3220
3G/3.75G Wireless Lite N Router
-67-
the use of cryptographic security services. To allow IPSec tunnels to pass through the
Router, keep the default,
Enabled
.
¾
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.
z
FTP ALG -
To allow FTP clients and servers to transfer data across NAT, keep the
default
Enable.
z
TFTP ALG -
To allow TFTP clients and servers to transfer data across NAT, keep the
default
Enable.
z
H323 ALG -
To allow Microsoft NetMeeting clients to communicate across NAT, keep
the default
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
4-45.