ZyXEL Communications 792H manual Ike, Manual Setup

Prestige 792H G.SHDSL Router

Table 36-2 Menu 27.1.1 IPSec Setup

FIELD	DESCRIPTION	EXAMPLE
End/Subnet	When the Addr Type field is configured to Single, this field is N/A.	255.255.0.0
Mask	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.	0
	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	As a VPN setup is processing intensive, the system is vulnerable to Denial	No
Detection	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	Press [SPACE BAR] to choose either IKE or Manual and then press	IKE
Management	[ENTER]. Manual is useful for troubleshooting if you have problems using
	IKE key management.
Edit Key	Press [SPACE BAR] to change the default No to Yes and then press	No
Management	[ENTER] to go to a key management menu for configuring your key
Setup	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…” to save your configuration, or press [ESC] at any time to cancel.

36-10 VPN/IPSec Setup