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4.5.2 Special AP

Some applications require multiple connections, like Internet games, Video conferencing,

Internet telephony, etc. Because of the firewall function, these applications cannot work with

a pure NAT router. The

Special Applications

feature allows some of these applications to

work with this product. If the mechanism of Special Applications fails to make an application

work, try setting your computer as the

DMZ

host instead.

1.

Trigger

: the outbound port number issued by the application..

2.

Incoming Ports

: when the trigger packet is detected, the inbound packets sent to the

specified port numbers are allowed to pass through the firewall.

This product provides some predefined settings Select your application and click

Copy

to

to

add the predefined setting to your list.

Note! At any given time, only one PC can use each Special Application tunnel.

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4.5.3 Miscellaneous Items

IP Address of DMZ Host

DMZ (DeMilitarized Zone) Host is a host without the protection of firewall. It allows a

computer to be exposed to unrestricted 2-way communication for Internet games, Video

conferencing, Internet telephony and other special applications.

NOTE

: This feature should be used only when needed.

Non-standard FTP port

You have to configure this item if you want to access an FTP server whose port number is not

21. This setting will be lost after rebooting.

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4.5.4 Logs

This page support two methods to export system logs to specific destination by means of

syslog(UDP) and SMTP(TCP). The items you have to setup including:

IP Address for Syslogd

Host IP of destination where syslogs will be sent to.

Check Enable to enable this function.

IP address for Outgoing Mail Server

Input the SMTP server IP and port, which are concated with ':'. If you do not specify port

number, the default value is 25.

For example, "mail.your_url.com" or "192.168.1.100:26".

Log or Alert receipient

The recipients who will receive these logs. You can assign more than 1 recipient, using ';' or

',' to separate these email addresses.

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4.5.5 Dynamic DNS

To host your server on a changing IP address, you have to use dynamic domain name service

(DDNS).

So that anyone wishing to reach your host only needs to know the name of it. Dynamic DNS

will map the name of your host to your current IP address, which changes each time you

connect your Internet service provider.

Before you enable

Dynamic DNS

, you need to register an account on one of these Dynamic

DNS servers that we list in

provider

field.

To enable

Dynamic DNS

click the check box next to

Enable

in the

DDNS

field.

Next you can enter the appropriate information about your Dynamic DNS Server.

You have to define:

•

Provider

•

Host Name

•

Username/E-mail

•

Password/Key

You will get this information when you register an account on a Dynamic DNS server.

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4.5.6 SNMP Setting

In brief, SNMP, the Simple Network Management Protocol, is a protocol designed to give a

user the capability to remotely manage a computer network by polling and setting terminal

values and monitoring network events.

Enable SNMP

You must check either Local or Remote or both to enable SNMP function. If Local is checked,

this device will response request from LAN. If Remote is checked, this device will response

request from WAN.

Get Community

Setting the community of GetRequest your device will response.

Set Community

Setting the community of SetRequest your device will accept.