Blocking Proxy Websites/server

ossian

ossian

ossian

Associate
Joined
29 May 2011
Posts
59
Location
Near Glencoe, Scotland
Hi

Any ideas how to block pupils at school accessing proxy server website, we have blocked Facebook, Myspace, Bebo etc at the router, but they just go to one of many proxy sites and login that way.

Cheers
 
We've got the same probs and we have to manually add the sites to our banned list, trouble is for every 1 we ban 10 seem to pop up, Best way to deal with it is through management and make examples of the kids.
 
ICT is becoming an ever growing field and with the amount of devices now it's almost impossibly to filter out everything.

What the UK needs is something called 'discipline'.

I suggest you have a word with management and let them sort it and explain the situation. This is why they get paid.
 
Use a decent content filtering system, such as Microsoft Forefront TMG?

Blocking at a router level based on DNS or IP is a shabby way of blocking traffic.
 
Yeah best off if you have the funds to stick in some kit that will do some proper content filtering.
 
My employer uses a filtering system called WebSense, it seems surprisingly effective as it tends to block most proxy/evasion sites.

Not saying it is the best solution and no doubt determined individuals can get through it, but it certainly seems OK for dealing with 'casual' users.
 
Thanks for all the replies, good advice, looks like a real battle to contain, what we're going to do is give each student a log in and make them responsible for what they look at etc, about 30 users in total, explain that websites they visit may be monitored, this I hope should work in practice.
 
ossian said:
Thanks for all the replies, good advice, looks like a real battle to contain, what we're going to do is give each student a log in and make them responsible for what they look at etc, about 30 users in total, explain that websites they visit may be monitored, this I hope should work in practice.
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If the PCs are on a domain with logins you could put a disclaimer policy in place. They may not read it only with them been kids but if they know what a proxy is and kinda what they do they should be able to read whats on the screen.
 
Forefronts not bad. I'd suggest something along the lines of Blue Coat or Cleaswift. The problem is these cost and take some time to implement correctly.

I believe you need a product which is going to auto-update and all of the above do that. They also use a content points system (so if they read on the site certain words once they've scored the words it gets blocked).

Worth a look into if you have a budget. If not then it's going to be hard to do.



M.
 
I know a massive medical company that uses TMG and it is very effective - no problem. I set a system up called iCritical the other day, seems OK although not sure what it's like in the long run. Its policy driven and has either stand-alone or LDAP integration, very flexible

- Pea0n
 
iDroid84 said:
Along with funds you have to have someone who can manage of the content filtering technologies anyway. The UK really needs to tuffen up. Give them a slap or two that will teach the little blighters.
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Well it's not rocket science to do, I'm sure they would be perfectly capable of doing it :p

Depending on how many users something like a Fortigate UTM could be useful, we've also been using some Bloxx content filters which are reasonably cheap and cheerful.

Once setup we haven't had to manually add in rules to block stuff, just have to unblock the odd site now and again.

A slap or two wouldn't go amiss either :)
 
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