TP-Link TL-WDR3500 TL-WDR3500 V1 User Guide 1910010836 - Page 88

Advanced Security, TL-WDR3500, IPSec Passthrough, Enable, FTP ALG, H323 ALG, Security

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TL-WDR3500 N600 Wireless Dual Band Router  IPSec Passthrough - Internet Protocol security (IPSec) is a suite of protocols for ensuring private, secure communications over Internet Protocol (IP) networks, 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. 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 4-74. Figure 4-74 Advanced Security - 78 -

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TL-WDR3500
N600 Wireless Dual Band Router
- 78 -
IPSec Passthrough
- Internet Protocol security (IPSec) is a suite of protocols for
ensuring private, secure communications over Internet Protocol (IP) networks, 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
.
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
4-74.
Figure 4-74 Advanced Security