PROLiNK MH8241 - Manual (Page 78)

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5.11.2 Virtual Server / VPN Pass Through /ALG options
This Router support
VPN Pass Through ..….. IPSEC/PPTP
H.323 ALG include…..VoIP Gateway can be connect direct to this router
LAN port, and open the correspond VoIP port number.
You may have FTP, MAIL, VPN or other server on your LAN. If you would
like to allow the global users access some servers providing special services
on your LAN. This function can help you to do this.
Provide with global port & local port mapping function, let you easily
Configured internal server with same port number mapping to WAN IP
different
port number.
Global port: WAN virtual protocol number
Local port: used by internal server port number
Local IP: local server IP address
For multi-wan port router, no matter data packet coming in from which
WAN port (WAN IP address) , router will check incoming data port number
only.
For example:
Global port number 1021 map into local server IP 192.168.1.10 port 21
Global port number 8080 map into local server IP 192.168.1.10 port 80
Global port number 2323 map into local server IP 192.168.1.25 port 23
Global port number 1100 map into local server IP 192.168.1.13 port 21
you can also configure
Global port number 1022 map into local server IP 192.168.1.20 port 21
some port number in local server with different global port number
VIRTUAL SERVER/ALG Options