Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Feb 12, 2015 ... If you run an unsigned app that is not listed in the firewall list, a dialog appears with options to Allow or Deny connections for the app.
• When the packet passes through the firewall, it filters the packet on a protocol/ port number basis (GSS). For example, if a rule in the firewall exists to block telnet ...
• ... of a network through a positive control model. This means that the only traffic allowed onto the network defined in the firewall policy is; all other traffic is denied.
• Allowing a program to communicate through a firewall (sometimes called unblocking) is like punching a hole in the firewall. Each time you open a port or allow a ...

• ... packet processing; that way, packets that are part of an existing connection based on the firewall's state table can be allowed through without further analysis .
• This article describes how to turn on the firewall or turn off the firewall in Windows XP Service Pack 2 and Service Pack 3. You might want to disable the firewall if ...
• A firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your  ...
• Turning on the firewall will affect other programs that access this computer, such as file and print sharing, and remote desktop connections. Administrators ...