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Strange "Local Area Connection" icon

Medium Priority
1,011 Views
Last Modified: 2013-11-15
In a LAN envirnoment, some PCs show a lock on "Local Area Connection" icon.
Here is a screen shot of the icon.
http://img155.imageshack.us/img155/1006/netet4.png

this is my situation:
1- All PCs run on winXp-SP2
2- DHCP is turned off and I have set each PC's IP (192.168.100.x - 255.255.255.0)
3- File sharing and printer sharing is working perfectly and I have no problem
    to access each PC
4- Though there's a lock mark on the icon, I can open the property sheet of tcp/ip protocol
5- This lock mark doesn't show on all PCs. (Only 3 of them)

I need to know what this lock mark means and why some PCs show it and
how I can get ride of it.

Any kind of help is much appreciated.



Comment
Watch Question

This lock is present because you have the Windows Firewall Enabled.
Right Click the Connection
Click Properties
Click Advanced Tab
Under Windows Firewall Click Settings
Click Off
Apply Changes
Lock Will Be Gone

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Author

Commented:
thanks for your help
and sorry for this stupid question.

Does this lock affect the performance of the network? I mean should I leave it
as it is or it's better to get ride of the lock (Most of PCs have mcafee firewall
installed. Only 2 PCs are not equipped with firewall soft wares.

thanks for your help
Glad to help.  If you have a firewall or two in the perimeter you should not need the firewall enabled.  However you can turn it on and create exceptions for any network apps that need to have access to the boxes (ex. file and print sharing)

Author

Commented:
Million thanks
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