ZyXEL p-662h-61 Guia Do Utilizador

Prestige 662HW Series User’s Guide

441

Chapter 45 VPN/IPSec 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.

 

Menu 27.1.1 IPSec Setup (continued)