Advanced Security - TP-Link Archer C8 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 Tunneling Protocol (PPTP) allows the

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 - Layer Two Tunneling Protocol (L2TP) is the method used to

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 - 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.
5.11.2

Advanced Security

Choose menu "Advanced→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 5-59.
Archer C8 AC1750 Wireless Dual Band Gigabit Router
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