Limited Ports File Format

The ports file is used to block ports, the chat-program and online-game can be controlled.
Note: After the changes saved, it will take effect only when new web browser opened.

If you want to define a new rule, you must know what port used by the program. there 
have an easy way to know this with a tool: TCPVIEW, the websites as following:

URL: http://www.sysinternals.com/ntw2k/source/tcpview.shtml 
Download: http://www.sysinternals.com/files/tcpview.zip 

If above address cannot be accessed, you may visit the root http://www.sysinternals.com 
and find it.

In addition, the version 3.5 add a new feature. the program can be controlled based on 
filename. In this way, you need not to know what port used by the program, you only 
need to know the filename of the program, about the details, please view the section
New feature in version 3.5
 
Usage

1. One line is one record.
2. ';' is Comment character. If first character is ';', this line will be ignored.
3. One record include 4 fields, separator character is ',', don't add additional Space character.
4. The fields are: Name,Type,Protocol,Port

        Name: User-defined a name or filename. eg: ICQ or ICQ.EXE
        Type:
                1. 'CHAT' for chat type.
                2. 'GAME' for game type.
        Protocol:
                1. 'TCP' for TCP protocol
                2. 'UDP' for UDP protocol
                3. 'ALL' for TCP and UDP protocol
        Port: port blocked that you want. eg: 5190. available from 0 to 65536, 
                If set to 0, the Name must be set to filename, then this rule 
                based on filename to control, more details please view the section
                New feature in version 3.5.

New feature in version 3.5
 
Controlling based on filename: for example: if you want to block MSN Messenger, and
you did not know its port, but you know its filename is msnmsgr.exe, you may add 
the rule as following:

msnmsgr.exe,CHAT,ALL,0

Notice: If you want to control based on filename, the Protocol set to ALL is recommended,
the Port set to 0 is recommended, like this, whole program will be controlled.

See Also

System Settings