Adjusting the Personal Firewall security level settings
Depending on your needs you can adjust the Personal Firewall security level.
To adjust the Personal Firewall security level settings:
On the PC-cillin window, click Settings. The Settings window appears.
On the Settings menu, click the Personal Firewall link. The menu expands.
Click the Security Level link. The Security Level screen appears.
Make sure the Enable Personal Firewall check box is selected and Under Security Level, choose the level of security:
High (Default): Cloaking, Trojan backdoor blocking, and Firewall all enabled.
Medium: Trojan backdoor blocking and Firewall enabled. (Recommended security level if computer functions as a server.)
Low: Firewall enabled.
Click Apply.
See also:
Enabling your Personal Firewall