L600N - Dual Band Wireless Router
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CONFIGURATION GUIDE
Security Options
2. WAN Security Setup: This setup here will allow you to configure
features that helps your router from outside hack attempts.
• MTU Size: The maximum transmission unit. Normally, it
is 1500 bytes for most Ethernet networks, 1492 bytes for
PPPoE connection, and 1436 bytes for PPTP connection.
Certain ISPs may require smaller MTU, but this is a rare
case. Do not modify the value of MTU size unless it is
necessary for your ISP connection.
• NAT Filtering: Determines the mode of the router to handle the
input traffics.
• Secured: It provides a secure firewall that protects
personal computers in an LAN against attacks from the
Internet. However, it causes malfunction of certain
network games, point-to-point (P2P) applications, and
multimedia applications.
• Open: It provides firewall settings of a lower security
level. It allows running of almost all network applications.
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