134 CHAPTER 9 HOW TO SECURE YOUR (Post office web site)
134 CHAPTER 9 HOW TO SECURE YOUR COMPUTER Figure 9-5. Creating an inbound rule enables computers to connect to your PC uninvited. 4. If you know the IP address of the computer that s going to make the incoming connection, you can click the IP, Host or Network radio button, and then type in that address. However, the default of Anyone will allow anyone using any IP address to connect to your computer. 5. Click Add. Back in the main Firestarter window, click the Apply Policy button. Note You ll need to return to Firestarter whenever you activate new services on your computer. For example, in Chapter 12, we will look at accessing Windows shares across a network, and you ll need to enable SMB incoming and outgoing access for this to work. In Chapter 34, we will look at using the SSH service, which will have to be allowed through the firewall. In other words, securing your computer isn t something you can do once and then forget about. It s a continual process. Setting Outbound Rules By default, Firestarter allows all types of outgoing connections and, as with its incoming connections policy, this is by no means a bad choice for the average user. It s certainly the option that involves the least fuss. However, by opting to go with a restrictive traffic policy, you can completely control what kind of data leaves your computer. Any type of data connection