Advanced Administration
Options
Respond to
ICMP
The ICMP protocol is used by the "ping" and "traceroute" programs,
and by network monitoring and diagnostic programs.
• If checked, the Wireless Router will respond to ICMP packets
received from the Internet.
• If not checked, ICMP packets from the Internet will be ignored.
Disabling this option provides a slight increase in security.
Allow IPSec The IPSec protocol is used to establish a secure connection, and is
widely used by VPN (Virtual Private Networking) programs.
• If checked, IPSec connections are allowed.
• If not checked, IPSec connections are blocked.
Allow PPTP PPTP (Point to Point Tunneling Protocol) is widely used by VPN
(Virtual Private Networking) programs.
• If checked, PPTP connections are allowed.
• If not checked, PPTP connections are blocked.
Allow L2TP L2TP is a protocol developed by Cisco for VPNs (Virtual Private
Networks).
• If checked, L2TP connections are allowed.
• If not checked, L2TP connections are blocked.