Linksys E2100L User Manual download pdf (Page 26)

Advanced Wireless-N Router

Linksys E2100L Chapter 3: Advanced Configuration

Security > Firewall

The Firewall screen is used to configure a firewall that can

filter out various types of unwanted traffic on the Router’s

local network.

Security > Firewall

Firewall

SPI Firewall Protection To use firewall protection,

keep the default selection, Enabled. To turn off firewall

protection, select Disabled.

Internet Filters

Filter Anonymous Internet Requests This option makes

it more difficult for outside users to work their way into

your network. This option is enabled by default. Disable it

to allow anonymous Internet requests

Filter Multicast The multicasting feature allows for

multiple transmissions to specific recipients at the

same time. If multicasting is permitted, then the Router

will allow IP multicast packets to be forwarded to the

appropriate computers. Select this option to enable the

filter. This option is disabled by default.

Filter Internet NAT Redirection This option is used to

prevent a local computer from using a URL or Internet

address to access the local server. Select this option to

enable the filter. This option is disabled by default.

Filter IDENT (Port 113) The Filter IDENT (Identification)

option keeps port 113 from being scanned by devices

outside of your local network. This option is enabled by

default. Disable it to allow port 113 to be scanned.

Web Filters

Proxy Use of WAN proxy servers may compromise the

Gateway’s security. Denying Proxy will disable access to

any WAN proxy servers. Select this option to enable proxy

filtering. Deselect the option to allow proxy access.

Java Java is a programming language for websites. If you

deny Java, you run the risk of not having access to Internet

sites created using this programming language. Select

this option to enable Java filtering. Deselect the option to

allow Java usage.

ActiveX ActiveX is a programming language for websites.

If you deny ActiveX, you run the risk of not having access to

Internet sites created using this programming language.

Select this option to enable ActiveX filtering. Deselect the

option to allow ActiveX usage.

Cookies A cookie is data stored on your computer and

used by Internet sites when you interact with them. Select

this option to filter cookies. Deselect the option to allow

cookie usage.

Click Save Settings to apply your changes, or click Cancel

Changes to clear your changes.

Security > VPN Passthrough

The VPN  Passthrough screen allows you to enable Virtual

Private Network (VPN) tunnels using IPSec, PPTP, or L2TP

protocols to pass through the Router’s firewall.

Security > VPN Passthrough

VPN Passthrough

IPSec Passthrough Internet Protocol Security (IPSec) is

a suite of protocols used to implement secure exchange

of packets at the IP layer. To allow IPSec tunnels to pass

through the Router, keep the default, Enabled.

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, keep the default, Enabled.

L2TP Passthrough Layer 2 Tunneling Protocol is the

method used to enable Point-to-Point sessions via the

Internet on the Layer 2 level. To allow L2TP tunnels to pass

through the Router, keep the default, Enabled.

Click Save Settings to apply your changes, or click Cancel

Changes to clear your changes.

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Linksys E2100L User Manual Page 26

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