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Process Monitor
A process refers to a program that is currently running.  For example, when Privatefirewall is running, the corresponding process is 'PF5.exe'.  Privatefirewall maintains a lists of processes that are being filtered for potentially malicious system API calls used by programmers (and hackers) to launch process executables.  Privatefirewall maintains a set of default processes that are related to commonly used applications, such as Internet Explorer, and are set to 'Allow'.  Non-default processes that are detected by Privatefirewall will be set to 'Filter' if allowed or 'Deny' if not allowed.


 

The Process Monitor can be set to either 'High', 'Medium', or 'Off'.  The 'High' setting will monitor all processes running on your computer.  The 'Medium' setting will monitor processes related to any applications currently listed within Privatefirewall.  The 'Off' setting will disable the Process Monitor, but not any other Privatefirewall functionality.
 


 

Process Inspection Rules


Double-Click on any listed process from the Process Monitor menu for detailed information.  For each listed process, Privatefirewall monitors the WinAPI functions listed under the 'Function' column within the Process Monitor Rules dialog.  Each WinAPI function has the option for Privatefirewall to  ‘Ask’,‘Allow’, or ‘Deny’.  If 'Ask' is selected, Privatefirewall will prompt the user as to whether the specific process function should be executed. If 'Allow' is selected, Privatefirewall will allow the specific process function to execute operate without any user intervention.  If 'Deny' is selected, Privatefirewall will not allow the specific process function to execute.  Default applications will set all functions to 'Allow'.

 


Alerts

There are several types of potentially malicious process-related activity that will generate an alert.  For example, the Process Monitor will detect attempts to create or change restricted objects. The warning screens below will be shown in these cases.

 

For all alerts, if the application or process listed is related to any legitimate activity, it is most likely not malicious activity.  However, if it is unrelated (ex: is the application or process referenced is not even running, etc.), it may be malicious activity and the 'Deny access' button should be selected so the issue can be investigated.
 


Process Detection

In addition to processes being filtered for system API calls, Privatefirewall also maintains a list of commonly used processes and provides an alert when an unknown process attempts to launch. 


Privatefirewall Reports

Port Tracking Report
The Port Tracking report monitors all system ports and protects them against any unauthorized entry.  In most cases, Privatefirewall goes one step further and makes all system ports invisible to intruders (referred to as "Stealth" mode). 

Privatefirewall reports the following:

Application Name - Any application that may have access to the Internet or outside networks.
Process ID
 - The unique number assigned to every running process within the Windows environment.
Protocol
- The Network Protocol, or type of network connection used to send the packet.
Local Address - Your system's IP address.
Remote Address - This is the Internet address from where incoming packets are originating.  This will display  either a specific IP, or if one is not currently detected, it will give a status (such as "Listening for packets/connections").


  

Firewall Log
                                                                                    

The Firewall Log records incoming and outgoing packets, which are chunks of information routed between an origin and a destination on the Internet or any other network; one of which is your computer. (click here for more information about packets).  As illustrated in the screen shot below, the 'home' IP Address is 192.168.0.2.  NOTE: Your IP address may be the same address during every Internet connection (called a "Static IP", used in most T1/DSL connections).  Or, your IP may change for each Internet connection (called a "Dynamic IP" used in most Cable/Dial-Up connections).  

Privatefirewall reports the following:
Time/Date  - When the packet was detected.
Origin IP (Internet address) - The Internet address from which the packing is coming from.
Destination IP - The Internet address to which the packet is traveling.
Protocol - The Network Protocol, or type of network connection used to send the packet.
Application Name (if applicable) - The name of the application to which the packet was attempting to be sent (if any).


 
 

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