Chapter 30 IPSec VPN
ZyWALL USG Series User’s Guide
631
30.6 IPSec VPN Background Information
Here is some more detailed IPSec VPN background information.
IKE SA Overview
The IKE SA provides a secure connection between the Zyxel Device and remote IPSec router.
It takes several steps to establish an IKE SA. The negotiation mode determines how many. There are two
negotiation modes--main mode and aggressive mode. Main mode provides better security, while
aggressive mode is faster.
Add
Click
Add
to bind a configured VPN rule to a user or group. Only that user or group may then
retrieve the specified VPN rule settings.
If you click
Add
without selecting an entry in advance then the new entry appears as the first
entry. Entry order is important as the Zyxel Device searches entries in the order listed here to find
a match. After a match is found, the Zyxel Device stops searching. If you want to add an entry
as number three for example, then first select entry 2 and click
Add
. To reorder an entry, use
Move
.
Edit
Select an existing entry and click
Edit
to change its settings.
Remove
To remove an entry, select it and click
Remove
. The Zyxel Device confirms you want to remove it
before doing so.
Activate
To turn on an entry, select it and click
Activate
. Make sure that
Enable Configuration Provisioning
is also selected.
Inactivate
To turn off an entry, select it and click
Inactivate
.
Move
Use
Move
to reorder a selected entry. Select an entry, click
Move
, type the number where the
entry should be moved, press <ENTER>, then click
Apply
.
Status
This icon shows if the entry is active (yellow) or not (gray). VPN rule settings can only be retrieved
when the entry is activated (and
Enable Configuration Provisioning
is also selected).
Priority
Priority shows the order of the entry in the list. Entry order is important as the Zyxel Device
searches entries in the order listed here to find a match. After a match is found the Zyxel Device
stops searching.
VPN
Connection
This field shows all configured VPN rules that match the rule criteria for the
Zyxel Device IPSec
VPN client. Select a rule to bind to the associated user or group.
Allowed User
Select which user or group of users is allowed to retrieve the associated VPN rule settings using
the Zyxel Device
IPSec VPN client. A user may belong to a number of groups. If entries are
configured for different groups, the Zyxel Device will allow VPN rule setting retrieval based on the
first match found.
Users of type
admin
or
limited-admin
are not allowed.
Type
This field shows how traffic is tunneled from the Zyxel Device to the Zyxel VPN client:
•
6in4
(tunnel IPv6 traffic from the Zyxel Device to the Zyxel client in an IPv4 network);
•
4in6
(tunnel IPv4 traffic from the Zyxel Device to the Zyxel VPN client in an IPv6 network);
•
4in4
(tunnel IPv4 traffic from the Zyxel Device to the Zyxel VPN client in an IPv4 network).
Apply
Click
Apply
to save your changes back to the Zyxel Device.
Reset
Click
Reset
to return the screen to its last-saved settings.
Table 226 Configuration > VPN > IPSec VPN > Configuration Provisioning (continued)
LABEL
DESCRIPTION
Summary of Contents for USG110
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Page 195: ...195 PART II Technical Reference ...
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