Draytek Vigor3300 Series, Руководство пользователя, Страница: 71 / 213

Vigor3300 Series User’s Guide
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IP Alias that you set. Please redirect only the ports that you have to forward rather than
forward all ports. Otherwise, the intrinsic firewall type security of NAT facility will be
affected.
By the way, user can click Delete to remove one current existed NAT entry in the Advanced –
NAT – Port Redirection page and click Delete All to remove all entries.
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If you have a group of static IP addresses, then you can use the address-mapping feature to
multiple open ports hosts in the Vigor3300 Series of broadband security routers. The
following session will show you how to setup address-mapping feature.
In the Advanced group, move to NAT option and choose Address Mapping to get the
corresponding page.
Protocol Display the protocol used for this address mapping.
Public IP Display the public IP address selected for this entry.
Private IP Display the private IP set for this address mapping.
Mask Display the subnet mask selected fro this address mapping.
Edit Allow users to edit the selected address mapping settings.
Delete/Delete All Remove one/all the selected address mapping settings.
To edit an item, click the radio button of the item that you want to modify. Then click Edit on
the bottom of the page to add a new rule entry or modify an existed rule entry.