Cisco E4200 User Guide - Page 24

Linksys E4200 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. Chapter 2: Advanced Configuration requests, select this option. ActiveX content is allowed by default. Cookies This filter blocks cookies, which are data stored on your computer and used by websites when you interact with them. To deny cookie requests, select this option. Cookie usage is allowed by default. 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 > Firewall Firewall SPI Firewall Protection SPI firewall protection helps protect your local network from the Internet. This option is enabled by default. WARNING: To help protect your local network, you should keep the SPI Firewall Protection option enabled. Internet Filters Filter Anonymous Internet Requests This filter blocks Internet requests from unknown sources, such as ping requests. This option is enabled by default. Filter Multicast Multicasting allows a single transmission to simultaneously reach specific recipients within your local network. Select this option to enable the filter that blocks multicasting. This option is disabled by default. Filter Internet NAT Redirection This filter prevents a local computer from using a URL or Internet IP address to access the local server. Select this option to enable the filter. This option is disabled by default. Filter IDENT (Port 113) This filter keeps port 113 from being scanned by devices from the Internet. This option is enabled by default. Web Filters Proxy This filter blocks the use of Internet proxy servers. To deny proxy requests, select this option. Proxy access is allowed by default. Java This filter blocks Java, so you may not be able to access Java content on websites. To deny Java requests, select this option. Java content is allowed by default. ActiveX This filter blocks ActiveX, so you may not be able to access ActiveX content on websites. To deny ActiveX Maximum Performance Wireless-N Router 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. The VPN client(s) on the local network can establish an IPSec VPN tunnel through the router. This option is enabled by default. PPTP Passthrough Point-to-Point Tunneling Protocol (PPTP) allows the Point-to-Point Protocol (PPP) to be tunneled through an IP network. The VPN client(s) on the local network can establish a PPTP VPN tunnel through the router. This option is enabled by default. L2TP Passthrough Layer 2 Tunneling Protocol is the method used to enable Point-to-Point sessions via the Internet on the Layer 2 level. The VPN client(s) on the local network can establish an L2TP VPN tunnel through the router. This option is enabled by default. byour changes. Then click Close to exit this screen and return to the Internet Access Policy screen. List of PCs 21