Translate Address And Port By Alg - TP-Link M7450 User Manual

Chapter 8
8. 1.

Translate Address and Port by ALG

ALG (Application Layer Gateway) allows customized NAT (Network Address Translation)
traversal filters to be plugged into the gateway to support address and port translation
for certain application layer "control/data" protocols: FTP, TFTP, H323 etc. Enabling ALG
is recommended.
1. Visit http://tplinkmifi.net
the Mobile Wi-Fi.
2. Go to Advanced >
• PPTP Passthrough:
an IP network and passed through the Mobile Wi-Fi.
• L2TP Passthrough:
through an IP network and passed through the Mobile Wi-Fi.
• IPSec Passthrough:
tunneled through an IP network and passed through the Mobile Wi-Fi. IPSec uses
cryptographic security services to ensure private and secure communications over
IP networks.
• FTP ALG: If enabled, it allows FTP (File Transfer Protocol) clients and servers to transfer
data via NAT.
• TFTP ALG: If enabled, it allows TFTP (Trivial File Transfer Protocol) clients and servers
to transfer data via NAT.
• H323 ALG: If enabled, it allows Microsoft NetMeeting clients to communicate via NAT.
• SIP ALG: If enabled, it allows clients communicate with SIP (Session Initiation Protocol)
servers via NAT.
from the PC entry, and log in with the password you set for
NAT Forwarding > ALG.
If enabled, it allows Point-to-Point sessions to be tunneled through
If enabled, it allows Layer 2 Point-to-Point sessions to be tunneled
If enabled, it allows IPSec (Internet Protocol Security) to be
NAT Forwarding
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