Справочник Пользователя для iskratel si2000 callisto821 router

SI2000 Callisto821+ Router Users Guide 

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figure 81: The Add Host Validator page. 

 

2. In 

the 

Host IP Address text box, type the IP address that you want to allow/block. 

3. In the Host Subnet Mask text box, type the IP mask address. If you want to filter a range of 

addresses, you can specify the mask, for example, 255.255.255.0. If you want to filter a single IP 
address, use the specific IP mask address, for example, 255.255.255.255. 

4. Click 

on 

the 

Direction drop-down list and select the direction of traffic that you want the validator to 

filter. 

5. Click 

on 

Apply. The Configure Validators page is displayed, containing details of the host validator 

that you have just added. 

6.  Each portfilter displayed in the Configure Validators page has a Delete Host Validator hyperlink 

assigned to it. To delete a validator, click on this link, then at the confirmation page, click on the 
Delete Host Validator button. The validator is removed from the Firewall configuration. 

A trigger allows an application to open a secondary port in order to transport packets. The most common 
applications that require secondary ports are FTP and NetMeeting. 
 
To configure a trigger: 

1.  Go to the Policies, Triggers and Intrusion Detection section of the Security Interface Configuration. 

Click on Firewall Trigger Configuration. The Firewall Trigger Configuration page is displayed. There 
are no triggers defined at this time. Click on the New Trigger link. The following page is displayed: