Advanced Security - TP-Link TL-MR6400 User Manual

VPN - VPN Passthrough must be enabled if you want to allow VPN tunnels using VPN

protocols to pass through the router.
PPTP Passthrough

Point-to-Point Protocol (PPP) to be tunneled through an IP network. To allow PPTP
tunnels to pass through the router, click Enable.
L2TP Passthrough

enable Point-to-Point sessions via the internet on the Layer Two level. To allow L2TP
tunnels to pass through the router, click Enable.
IPSec Passthrough

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

streaming media servers across NAT, click Enable.
SIP ALG - To allow some multimedia clients to communicate across NAT, click

Enable.
Click Save to make the settings effective.

5.10.2 Advanced Security

Go to Security Advanced
→
by TCP-SYN Flood, UDP Flood and ICMP-Flood in the screen as shown below.
- Point-to-Point Tunneling Protocol (PPTP) allows the
- Layer Two Tunneling Protocol (L2TP) is the method used to
- Internet Protocol security (IPSec) is a suite of protocols for
- To allow some media player clients to communicate with some
Security, and then you can protect the router from being attacked
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TL-MR6400 User Guide