ZyXEL Communications P-662HW-63, User Manual

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Prestige 662HW Series User’s Guide
441 Chapter 45 VPN/IPSec Setup
45.4 IKE Setup
To edit this menu, the Key Management field in Menu 27.1.1 – IPSec Setup must be set to
IKE . Move the cursor to the Edit Key Management Setup field in Menu 27.1.1 – IPSec
Setup ; press
[SPACE BAR]
to select
Yes
and then press
[ENTER]
to display Menu 27.1.1.1
– IKE Setup .
IP Addr Start When the Addr Type field is configured to Single , enter a static IP address on the
network behind the remote IPSec router.
When the Addr Type field is configured to Range , enter the beginning (static) IP
address, in a range of computers on the network behind the remote IPSec router.
When the Addr Type field is configured to SUBNET , enter a static IP address on the
network behind the remote IPSec router.
This field displays N/A when you configure the Secure Gateway Address field to
0.0.0.0.
End/Subnet
Mask When the Addr Type field is configured to Single , this field is N/A .
When the Addr Type field is configured to Range , enter the end (static) IP address,
in a range of computers on the network behind the remote IPSec router.
When the Addr Type field is configured to SUBNET , enter a subnet mask on the
network behind the remote IPSec router.
This field displays N/A when you configure the Secure Gateway Address field to
0.0.0.0.
Port Start 0 is the default and signifies any port. Type a port number from 0 to 65535. Someone
behind the remote IPSec router cannot create a VPN tunnel when attempting to
connect using a port number that does not match this port number or range of port
numbers.
Some of the most common IP ports are: 21, FTP; 53, DNS; 23, Telnet; 80, HTTP; 25,
SMTP; 110, POP3.
End Enter a port number in this field to define a port range. This port number must be
greater than that specified in the previous field. This field is
N/A when 0 is configured
in the Port Start field.
Enable Replay
Detection As a VPN setup is processing intensive, the system is vulnerable to Denial of Service
(DoS) attacks The IPSec receiver can detect and reject old or duplicate packets to
protect against replay attacks. Enable replay detection by setting this field to
Yes .
Press [SPACE BAR] to select Yes or No . Choose Yes and press [ENTER] to enable
replay detection.
Key
Management Press [SPACE BAR] to choose either IKE or Manual and then press [ENTER].
Manual is useful for troubleshooting if you have problems using IKE key
management.
Edit Key
Management
Setup Press [SPACE BAR] to change the default No to Yes and then press [ENTER] to go
to a key management menu for configuring your key management setup (described
later). If you set the
Key Management field to IKE , this will take you to Menu 27.1.1.1
– IKE Setup . If you set the Key Management field to Manual , this will take you to
Menu 27.1.1.2 – Manual Setup .
When you have completed this menu, press [ENTER] at the prompt “ Press ENTER to Confirm
or ESC to Cancel: ” to save your configuration, or press [ESC] at any time to cancel.
Table 150 Menu 27.1.1 IPSec Setup (continued)
FIELD DESCRIPTION