ZyXEL Communications ZyXEL ZyWALL P1, User Manual

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ZyWALL P1 User’s Guide
Chapter 5 WAN Screens 87
Refer to Table 22 on page 81 for other field descriptions.
5.4 Dynamic DNS
Dynamic DNS allows you to update your current dynamic IP address with one or many
dynamic DNS services so that anyone can contact you (in NetMeeting, CU-SeeMe, etc.). You
can also access your FTP server or Web site on your own computer using a domain name (for
instance myhost.dhs.org, where myhost is a name of your choice) that will never change
instead of using an IP address that changes each time you reconnect. Your friends or relatives
will always be able to call you even if they don't know your IP address.
First of all, you need to have registered a dynamic DNS account with www.dyndns.org. This is
for people with a dynamic IP from their ISP or DHCP server that would still like to have a
domain name. The Dynamic DNS service provider will give you a password or key.
Note: You must go to the Dynamic DNS service provider’s website and register a
user account and a domain name before you can use the Dynamic DNS
service with your ZyWALL.
5.4.1 DYNDNS Wildcard
Enabling the wildcard feature for your host causes *.yourhost.dyndns.org to be aliased to the
same IP address as yourhost.dyndns.org. This feature is useful if you want to be able to use,
for example, www.yourhost.dyndns.org and still reach your hostname.
Note: If you have a private WAN IP address, then you cannot use Dynamic DNS.
Nailed-up Select Nailed-Up if you do not want the connection to time out.
Idle Timeout This value specifies the time in seconds that elapses before the ZyWALL
automatically disconnects from the PPTP server.
PPTP
Configuration
My IP Address Type the (static) IP address assigned to you by your ISP.
My IP Subnet Mask Your ZyWALL will automatically calculate the subnet mask based on the IP
address that you assign. Unless you are implementing subnetting, use the subnet
mask computed by the ZyWALL.
Server IP Address Type the IP address of the PPTP server.
Connection ID/
Name
Type your identification name for the PPTP server.
Table 24 WAN: WAN: PPTP (continued)
LABEL DESCRIPTION