Linksys E3000 - Manual (Page 29)

26 High Performance Wireless-N Router
Linksys E3000 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 feature
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 Multicasting 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 .
Filter Internet NAT Redirection This feature 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 .
Filter IDENT (Port 113) This feature keeps port 113 from
being scanned by devices outside of your local network .
Select this option to enable the filter .
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 feature 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 feature 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
feature 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 feature 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 VPN
tunnels using IPSec, L2TP, or PPTP 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 .
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 .
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 .
Click Save Settings to apply your changes, or click Cancel
Changes to clear your changes .