Zhone 1752 shdsl ユーザーズマニュアル

 

Specify the start and end of the port range for the TCP/UDP protocol that you want to filter. 
Then select TCP or UDP protocol from the Protocol drop-down list. After that, use the 
Direction drop-down lists to specify whether you want to allow or block inbound traffic, and 

allow or block outbound traffic. Click on

. The Firewall Port Filters page is displayed, 

containing details of the TCP port filter that you have just added. 

  • For a non-TCP/UDP port filter click on Add Raw IP Filter. The following page is      
displayed: 

 

Specify the protocol number in the Transport Type text box. For example, for IGMP, enter 
protocol number 2. Then use the Direction drop-down lists to specify whether you want to 

allow or block inbound traffic, and allow or block outbound traffic. Click on 

. The 

Firewall Port Filters page is displayed, containing details of the IP port filter that you have just 
added. 

2. Each port filter displayed in the Firewall Port Filters page has a Delete hyperlink assigned 

to it. To delete a port filter, click on this link, then at the confirmation page, click on 

. 

The port filter is removed from the Firewall configuration. 

A validator allows or blocks traffic based on the source and destination IP address and 
subnet mask. Traffic will be allowed or blocked depending on the validator configuration 
specified when the policy was created. See the Configuring Firewall Policies section. This 
section assumes that you have previously followed the instructions in that section. 

To configure a validator: 

1. From the Current Firewall Policies table, click on the Host Validators link for the policy that 

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