1. Lec5(Practical) Computer Security-Safe Use
3/25/2011
Lec5(Practical) Computer Security-Safe Use
Firewall Setting
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Prepared by Ustaza Imtithal Alnour Saeed

2. Setting up Firewall (On/Off)
Click start
Click control panel
Click security then;
Choose firewall
The following windows appears:
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3. Setting up Firewall (On/Off)
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4. Setting up Firewall (On/Off)
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5. Setting up Firewall (On/Off)
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6. Setting up Firewall (On/Off)
It is recommended that you put your computer under firewall
Firewall/off cause computer to be vulnerable to attacker
“Block all incoming connections “ tick this when you are in less secure network
You still receive connection, but if firewall block any program notification appears on the screen
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7. Setting up Firewall (On/Off)
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8. Setting up Firewall (Enable/Disable program)
Tick the small box in front of the program you want to Enable/Disable
If you enable a program you can communicate with this program through any computer on the network or the internet.
If you disable a program you might prevent it from communicating outside computer.
See the picture bellow:
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9. Setting up Firewall (Enable/Disable program)
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10. Setting up Firewall (adding program to exceptions)
Use the last window to add a program to the list.
Choose
A list with your installed programs appears.
You can also click browse to choose from the disk.
You can delete a program .
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11. Setting up Firewall (adding program to exceptions)
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12. Setting up Firewall (adding port to exceptions)
Also you can add a port to be used.
You can add local area connection, to be protected by the firewall.
See the following pic:
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13. Setting up Firewall (protect/unprotect a network)
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14. Setting up Firewall (Tutorials)
Enable/Disable Bluetooth through firewall.
Enable/Disable MSN Messenger through firewall.
Add a port for a network printer through firewall.
Delete the port.
Could your system gives a notification when blocking a program.
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15. End
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