Start Norton Internet Security.
In the Internet pane, click Settings
Under Smart Firewall, click Configure
next to Program Control.
On the Program Rules window, in the Program column, scroll through the list until you find the executable file for the program that you are unable to use.
For example, if you are unable to use Yahoo! Messenger, scroll through the list until you find the entry for Yahoo! Messenger. The rule for Yahoo! Messenger will be listed like:
Do one of the following:
If you find the entry for the executable file of the program, change the Access to Allow and go to line 15.
If you are unable to find the entry for the executable file, click Add and go to line 6.
Select the executable file that you need to configure and click Open
Click Manually configure Internet access (Recommended)
from the drop-down list and then click OK
depending on the rule that you want to create, and then click Next
Specify the direction of traffic that you want to apply to this rule, and then click Next
Specify what computer or computers are affected by this rule.
If you choose the default setting of "Any computer," click Next.
If you want to limit this rule to specific computers, select the "Only computers and sites listed below" option, click Add, and enter the information for the method that you chose (IP address, IP address range, or network address). Click OK, and then click Next.
Specify what protocol and ports to apply this rule to. Select the protocol that you want from the list.
To apply this rule to all ports (default option), select "All types of communication (all ports, local and remote)," and click Next.
To select specific ports to apply this rule to, select "Only the types of communication or ports listed below," click Add, and select the method by which you wish to specify your port or port list. Enter the port or port list for the method that you chose. Follow the on-screen prompts for proper formatting of your lists. Specify whether the ports entered in the prior step are local or remote by selecting the appropriate check box under Locality. Click OK and then click Next.
Specify a text description for this rule, and then click Next
Review the information about the rule. If it is correct click Finish
, and then click OK
If it is incorrect, use the Back
button to go back to a previous step and make changes.
Try to use the program.