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How block internet access from Kids?

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Name: Andre B
Date: December 25, 2001 at 23:01:35 Pacific
Comment:

Do you know how I can completely block my kids from accessing the internet while I'm away but still allow them access to the pc to do their homework?

I've searched google.com and www.nonags.com/nonags and more than a hundred other sites and cannot find a utility that will make my DSL unavailable to the kids while still allowing access to the pc to do their homework.

I've resorted to disconnecting the dsl modem and carrying it with me when I leave. This is a real pain especially when I want to leave home and continue downloading a series of 300+ meg files during the day :(

If you know of a way to change user rights, group rights, or some other solution that completely prohibits access to the internet for particular users or groups please let me know -- I may install 2000 instead but would rather not.

Thanks!



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Response Number 1
Name: Greg Ostlie
Date: December 25, 2001 at 23:31:37 Pacific
Reply:

I think the program enuff, found at

http://www.akrontech.com/index2.html

is what you are looking for. Also have you looked into Net Nanny.

Greg


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Response Number 2
Name:
Date: December 25, 2001 at 23:49:09 Pacific
Reply:

duct tape.


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Response Number 3
Name: santa
Date: December 26, 2001 at 00:13:45 Pacific
Reply:

WOW YOUR CHILDREN MUST REALLY REALLY REALLY HATE YOU. THERES SOMETHING IN LIFE CALLED TRUST


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Response Number 4
Name: jimi_l
Date: December 26, 2001 at 01:48:01 Pacific
Reply:

Surely theres a better solution than a total information boycott.I would look into a filter software package like Netnanny
or CyberCop. This can not only limit the content but also the amount of time they can spend on the internet.They are both very good but I prefer Cybercop.It's cheap enough as well.Have a look at this quick review of some options here>>>

http://www.software4parents.com/filtercompare.html

Jimi_l
p.s. if you MUST shut them off completely then take just the rj45 cord.


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Response Number 5
Name: matti
Date: December 26, 2001 at 02:23:30 Pacific
Reply:

apart from handcuffs and duct tape ... give your kids only restricted access user accounts and change the settings of your dial up connection (i.e. don't save password, i am allowed to use this connection only, etc.)


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Response Number 6
Name: Andre B
Date: December 26, 2001 at 21:05:52 Pacific
Reply:

Ok, I'm gonna try to answer all messages in this one post. First thanks for the ideas!

1) Someone named 'santa' made a comment about trust. I have had to resort to removing the dsl modem because my eleven year old has gotten hooked on porn sites through an inlaw's bad habits (the inlaw collects porn mags that i didn't find out about until the kids were already exposed). The inlaw's own young children are the ones who found the mags and showed them to my kids while my kids were spending the night with them -- of course that house is now off limits without me or my wife because the inlaw doesn't care that kids as young as four years old are being exposed to some of the raunchiest crap there is...

Anyhow I found out about the porn surfing because while we slept the 11-year old would sneak to surf the sites he found in the ads. One morning at 2:00 a.m. I caught him sitting at the pc surfing. He's smart enough to clear the history and cookies, etc so i never had the slightest hint he was viewing pornagraphy until I walked in on him. At that time I checked my firewall logs and sure enough several days of porn sites :(

2) To block him I've already tried filtering software on the Win98SE machine but while we were away at work he found if he rebooted the pc and pressed ctrl/alt/del at the right moment as windows reloads then the filtering software shows up in the tasklist for a split second or two -- then he'd endtask and have full access again. He also bypassed my software lock (www.r2.com.au) by doing this. If it weren't for his older brother catching him I would have been dumb to this too. If YOU are using filtering software on Win98 and think your kids are safe you might want to know that the programs are not as secure as claimed. Also your kids can download PEACEFIRE from download.com to bypass these filters.

3) I'd like to open up my seperate XP system to the kids but only if there is a way to secure the ports, tcp/ip, or do something else that totally blocks internet access to users or groups, not just filters. That way my wife and I can still log on and surf freely under our user names but the kids cannot.

I know this may be possible because at work the sys admin has blocked internet access from everyone except supervisors though all 500 work stations share the same networks and all are using WinNT. I've had to log onto the supervisor machines several times using my ID but internet access is still blocked so I know access is based on user rights as well as specific machines. I'd like to do this with XP if possible.

4) Since 98 is so insecure I've totally blocked it from accessing the internet through my external firewall. That also is a pain because it requires reconfiguring the firewall each time we want to go online with that machine, then remembering to disable it again when finished. And there's the matter of what if you need to answer the phone or go to the john while in the middle of working -- constantly blocking and unblocking the machine through the firewall is just not that practical. Also it's just matter of time before he learns how to play with the ip addresses until he hits the same address that works for the XP machine :(

If I can upgrade the 98 machine to XP and block access on both machines through XP all my problems with protecting the kid but still allow reasonable access for parents would be solved.

So if you know how I can configure XP to block ALL internet access to non-admin users so the kids can still do homework but not access the net please let me know.

Anyhow sorry about the book...

Thanks!


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Response Number 7
Name: dr oneill
Date: December 27, 2001 at 13:10:02 Pacific
Reply:

Hello Andre:

I'd recommend buying a router, then installing it in a locked box or closet to which the kids can't gain access.

Then use the group policy editor in XP(start>run>gpeditmsc) to allow or deny specific rights.

When gpedit is running, go to User Configuration>Administrative Templates>Network>Network Connections and you'll be able to deny net access to any user account

Of course it goes without saying that you'll need to set up a user acount for them on the XP machine with limited, not admin privileges.

The above assumes XP Professional and still has drawbacks. W2K Server would be better but a bit more complex to set up.

And, you still have the problem of going back and resetting policies when you wanted to allow them to use the net under parental supervision. Pretty inconvenient to say the least.

Also, that takes care of the XP box but still leaves the Win 98 machine. To make that secure you'll need to pull the NIC card and put a lock on the box.

So, here is a much easier way and one I've tested:

Buy an SMC Barricade Cable/DSL Router.
They are going for about $65 after rebate this week.

Build a secure, lockable wooden box for it so that the kids do not have physical access, or locate it in a locked closet.
The reason for this is that they seem to be clever enough to figure out how to reset the router to factory defaults. Deny physical acess

Once the router is set up you can configure it from a browser--and that includes access control. There is a section in the browser interface that allows setting up three separate groups and blocking traffic for that group to specific ports.

In your case, you could make their 98 machine part of group one, then block access to port 80 (internet.)

The nice thing is that when you wished to allow them access all you have to do is open the browser, go to the router config (http://192.168.123.254 on the SMC,) enter your password and unblock access. When they are finished you can then block access again in seconds(just make sure they can't see your fingers when you type your password.) Change the password frequently, and make it something they can't easily guess.

That's my two cents and it should do the trick for you. You'll also be able to get rid of your software firewall as the router has NAT. Much more convenient than software solutions.

Dlink and Linksys also make small 4port cable/dsl routers like the SMC but I am less familiar with them so unsure if they also allow blocking outgoing ports.

Good luck and repost if you have further questions.



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Response Number 8
Name: Andre B
Date: December 28, 2001 at 01:25:31 Pacific
Reply:

Looks like the gpeditmsc features are exactly what I'm looking for to secure the XP machine.

Unfortunately that file does not exist on my machine. It isn't in any directory on my drive (I've even manually browsed through the ../system and ../system32 folders to since it isn't found from the run menu or command line).

Maybe I need to use admin settings through mmc.exe. I'm not sure yet because it is 1:00 a.m. and I didn't yet find it in any drop down menus but I will search for it later when I'm more alert.

If setting network priviledges is a feature of XP this is exactly what I'm looking for! If so I will install XP to each machine, block network access from their user accounts when I create them and have a bit more peace of mind -- I'll also lock away my installation CDs in the closet with the router so the little bugger doesn't try reinstalling from the boot CD - at this point I have no idea how desperate puberty will make him so better safe than sorry :)

If you figure out which other file might be used for controlling group policies please let me know but don't break a sweat trying to locate it, I'll _eventually_ find it since you pointed out that is a feature of XP.

Thanks very very much for the help.


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Response Number 9
Name: dr oneill
Date: December 28, 2001 at 18:55:26 Pacific
Reply:

Hello Andre:

Are you running XP Professional? I ask as I do not have a copy of XP Home here at the moment.

gpedit is definitely in XP Pro:

Start>Run>gpedit.msc

Don't forget the "dot" between gpedit and msc. This is MY fault as I just checked my original reply and see I had not included that. Sorry.

Also, you mention that you do have a router. What make and model? It's more than possible this can be done more easily from the router interface--especially if you wish to allow them net access at specific times.

By the way, you might also be interested in VNC for the times you DO allow them net access. VNC allows remote desktop control but also has a "listening mode" so that the end user never knows their every move is being watched. I set this up for a client who was concerned about what his 13 yr old son was doing on the net while he was at the office--and he was able to see what the son was doing from his office every afternoon from 3 PM until 5 PM. Turns out the kid spent all of his time at the Los Alamos National Lab website looking at Mark Tilden's work. Good Kid.

VNC was developed by Bell Labs/ATT and is free at http://www.vnc.com

I've been using it since 1995 on networks and it's a terrific product.

Have a Happy New Year!

dr


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Response Number 10
Name: hortense
Date: January 5, 2002 at 20:10:35 Pacific
Reply:

You can block access by enabling IE's built in "Content Advisor" in the Tools/Internet Options/Content folder in the Explorer menu itself. Just click on the "Tools" menu, select "Internet Options", click the "Content" tab; on the top box labelled "Content Advisor" click the "Enable" button, set a password; next click the "Settings" tab in Content advisor and make sure all content restrictions are set to their lowest possible (as far left as the slider bar goes)level, i.e., highest restrictions. At this setting, almost all sites (and especially porno) are simply blocked by IE itself. I've used this at our house and once enabled, it basically blocks virtually all sites -- all that comes up is a blank screenm. At the lowest possible tolerance settings, even Yahoo and MSN home pages are blocked. To unlock Contnet Advisor when you're home, just disable by typing your password. Netnanny works well, too, but setting it up is cumbersome and it can cause lockups. Hope this helps.


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