Linksys BEFSX41 Bedienungsanleitung PDF herunterladen (Seite 18)

Chapter 2

Advanced Configuration

Broadband Firewall Router with 4-Port Switch/VPN Endpoint

“fingered” must have placed his or her profile on the system

in order for the information to be available. Fingering

requires entering the full user@domain address.

HTTP (HyperText Transport Protocol) The

communications protocol used to connect to servers on

the World Wide Web. Its primary function is to establish a

connection with a web server and transmit HTML pages to

the client web browser.

POP3 (Post Office Protocol 3) A standard mail server

commonly used on the Internet. It provides a message

store that holds incoming e-mail until users log on and

download it. POP3 is a simple system with little selectivity.

All pending messages and attachments are downloaded at

the same time. POP3 uses the SMTP messaging protocol.

NNTP (Network News Transfer Protocol) The protocol

used to connect to Usenet groups on the Internet. Usenet

newsreaders support the NNTP protocol.

SNMP (Simple Network Management Protocol) A

widely used network monitoring and control protocol.

Data is passed from SNMP agents, which are hardware

and/or software processes reporting activity in each

network device (hub, router, bridge, etc.), to the workstation

console used to oversee the network. The agents return

information contained in a MIB (Management Information

Base), which is a data structure that defines what is

obtainable from the device and what can be controlled

(turned off, on, etc.).

Ext. Port. Enter the number of the external port used by

the server in the Ext. Port column. Check with the Internet

application documentation for more information.

TCP or UDP Select the protocol UDP or TCP for each

application. You cannot select both protocols.

Int. Port Enter the number of the internal port used

by the server in the Int. Port column. Check with the

Internet application software documentation for more

information.

IP Address Enter the IP address of the server that you

want the Internet users to be able to access.

Enabled Select Enabled to enable the service you have

defined.

Click Save Settings to apply your changes, or click Cancel

Changes to cancel your changes.

Applications & Gaming > DMZ

The DMZ feature allows one network computer to be

exposed to the Internet for use of a special-purpose

service such as Internet gaming or videoconferencing.

DMZ hosting forwards all the ports at the same time to

one PC. The Port Range Forwarding feature is more secure

because it only opens the ports you want to have opened,

while DMZ hosting opens all the ports of one computer,

exposing the computer to the Internet.

Applications and Gaming > DMZ

DMZ

Any PC whose port is being forwarded must have its DHCP

client function disabled and should have a new static IP

address assigned to it because its IP address may change

when using the DHCP function.

DMZ Port To disable DMZ hosting, keep the default,

Disable. To expose one PC, select Enable. Then configure

the following setting:

DMZ Host Address

Assigned by the DMZ Port The DMZ host is the first PC

connected to Port 4/DMZ of the Router, either directly or

through a hub or switch. The Router will only allow one PC

to be the DMZ host.

Specify an IP Address behind the DMZ Port If you have

multiple PCs connected to Port 4/DMZ via a hub or switch,

you can specify which PC is the DMZ host. To expose a

computer with a specific IP address, enter that computer’s

IP address in this field.

Specify a MAC Address behind the DMZ Port If you have

multiple PCs connected to Port 4/DMZ via a hub or switch,

you can specify which PC is the DMZ host. To expose a PC

with a specific MAC address, enter that computer’s MAC

address in this field.”

Current DMZ Host The IP address of the current DMZ

host is displayed here.

Click Save Settings to apply your changes, or click Cancel

Changes to cancel your changes.

Administration > Management

The Management screen allows the network’s administrator

to manage specific Router functions for access and

security.

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