Security > Firewall; Security > Vpn Passthrough - Linksys WRT54GL User Manual

Chapter3
Security > Firewall
The Security > 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
Frewall Protecton To use firewall protection, keep the
default selection, Enable . To turn off firewall protection,
select Dsable .
Block WAN Requests
Block Anonymous Internet Requests
makes it more difficult for outside users to work their
way into your network . This feature is selected by default .
Deselect the feature to allow anonymous Internet
requests .
Flter Multcast Multicasting
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 . This feature is selected by default . Deselect
this feature to disable it .
Flter Internet NAT Redrecton
port forwarding to block access to local servers from
local networked computers . Select Flter Internet NAT
Redrecton to filter Internet NAT redirection . This feature
is not selected by default .
Flter IDENT (Port 3) This feature keeps port 113 from
being scanned by devices outside of your local network .
This feature is selected by default . Deselect this feature to
disable it .
Click Save Settngs to apply your changes, or click Cancel
Changes to cancel your changes .
Wreless-G Broadband Router
This feature
allows for multiple
This feature uses
Advanced Configuration
Security > VPN Passthrough
The Security > VPN Passthrough screen allows you to enable
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, Enable .
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, Enable .
LTP 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, Enable .
Click Save Settngs to apply your changes, or click Cancel
Changes to cancel your changes .
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