Planex BLW-54PM User Manual page 64

Options
Respond to
ICMP
Allow IPsec
Allow PPTP
Allow L2TP
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The ICMP protocol is used by the ping and traceroute programs, and
by network monitoring and diagnostic programs.
•
If checked, the BLW-54PM will repond 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.
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.
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.
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.