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Block All Sites except a List of 10 to 15

Posted on 2005-04-23
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I need to block all access to all web sites except 10 to 20 sites. These are stand alone PC's with dialup connections. I am not looking for a filtering soulution that will slow the already slow dialup down even more nor am I looking for an expensive Firewall.

IF THIS IS POSTED IN THE WRONG AREA PLEASE LET ME KNOW WHERE IT SHOULD BE POSTED!
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Question by:Jeffrogi
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by:Rich Rumble
ID: 13850609
If the users have IE you can easily use the "Content advisor" to do this. But if they have the ability to DL and install software, if they DL'd a different browser like FireFox, content advisor will be by-passed. The surest way to do this is to use a firewall, or even a host's file. Win2k and Xp have IPSEC firewall's built-in, while they can work for this situation, they are not easy to use. I recommend a professional software firewall such as ZoneAlarm or other. A host's file can also do the job, but you need to make sure they only have Read rights to the file so it can't be erased or modified.
http://accs-net.com/hosts/what_is_hosts.html
http://www.microsoft.com/resources/documentation/ie/6/all/reskit/en-us/part2/c05ie6rk.mspx

-rich
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Expert Comment

by:Markeez13
ID: 13851952
What operating system do you have?


-Mark
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Author Comment

by:Jeffrogi
ID: 13854856
I have used the Content Advisor, and I had a problem with the users deleting the password with Regedit.
We use W2K and XP.
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Rich Rumble earned 2000 total points
ID: 13855203
You can set permssions on registry keys, but if they are admin's of their machines they may be able to cirucumvent the settings. Regedit.exe and regedt32.exe are easy to remove. Host's files will suffer the same problem if the users are administrators of their machines, they may be able to boot into safe mode and take ownership of the file, and or erase it.
IPSEC firewall filters can also be unassigned with admin rights, but most personal firewall's allow you to specify a password of your chossing, and in the case of ZoneAlarmPro, there is no recovery of the password, and it cannot be uninstalled/upgraded without the proper password.
-rich
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