Cisco HiPort, Руководство пользователя

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10
HiPort User Guide
Chapter 3
Configuration
specific Internet data types .
Security > Firewall
Firewall
Firewall Protection A firewall enhances network security
and uses Stateful Packet Inspection (SPI) for more detailed
review of data packets entering your network . Select
Enable to use a firewall, or Disable to disable it .
Block WAN Requests
Block Anonymous Internet Requests When enabled,
this feature keeps your network from being “pinged,”
or detected, by other Internet users . It also hides your
network ports . Both make it more difficult for outside users
to enter your network . This filter is enabled by default .
Select Disable to allow anonymous Internet requests .
Filter Multicast Multicasting allows for multiple
transmissions to specific recipients at the same time . If
multicasting is permitted, then the HiPort will allow IP
multicast packets to be forwarded to the appropriate
computers . Select Enable to filter multicasting, or Disable
to disable this feature .
Filter Internet NAT Redirection This feature uses port
forwarding to block access to local servers from local
networked computers . Select Enable to filter Internet NAT
redirection, or Disable to disable this feature .
Filter IDENT (Port 113)
This feature keeps port 113 from
being scanned by devices outside of your local network .
Select
Enable
to filter port 113, or
Disable
to disable this
feature .
When you have finished making changes to this screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes . Help information is
available on the right side of the screen .
The Security Tab > VPN
The VPN Passthrough screen allows you to allow VPN
tunnels using IPSec, L2TP, or PPTP protocols to pass
through the HiPort .
Security > VPN
VPN Passthrough
IPSec Passthrough IPSec (Internet Protocol Security) is a
suite of protocols used to implement secure exchange of
packets at the IP layer . To allow IPSec Passthrough, click
Enable . To disable IPSec Passthrough, click Disable .
PPTP Passthrough PPTP (Point-to-Point Tunneling
Protocol) Passthrough allows the Point-to-Point (PPP)
to be tunneled through an IP network . To allow PPTP
Passthrough, click Enable . To disable PPTP Passthrough,
click Disable .
L2TP Passthrough
Layer 2 Tunneling Protocol is the
method used to enable Point-to-Point sessions via the
Internet on the Layer 2 level . To allow L2TP tunnels to
pass through the HiPort, click
Enable
. To disable L2TP
Passthrough, click
Disable
.
When you have finished making changes to this screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes . Help information is
available on the right side of the screen .