Planet Technology XRT-411 - Manual (Page 92)

Broadband Router User Guide
88
Options
Respond to
ICMP
The ICMP protocol is used by the "ping" and "traceroute" pro-
grams, and by network monitoring and diagnostic programs.
•
If checked, the Broadband Router will repond to ICMP pack-
ets received from the Internet.
•
If not checked, ICMP packets from the Internet will be ig-
nored. 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.