View Full Version : How to block users From visiting Proxy servers
02-27-2010, 01:25 AM
i have a question ...
suppose i apply the policy to allow only http and https traffic from router and
blocking all other traffics but before allowing http traffic i list the some of the website like "facebook" not allowing people in company to visit these social website ...but what if they go to some proxy website originate traffic from there to the facebook ???....like cooltunnel.com is there any policy to block that to????
02-27-2010, 01:15 PM
Depends on the FW, we do at work. But ours will block url.
02-26-2013, 01:28 AM
A proxy website acts as an intermediate source between the user and server the site being contacted is hosted on. Users send requests to proxy websites which conveys them to the site's server. The reply received by the proxy website is then forwarded to the user's computer. This gives an impression to ISP's and blocking software that the user is visiting proxy website but in reality, s/he is visiting the site which was blocked. Thus, proxy servers also provide extra security to users by hiding their online activities from their ISP's.
There must be a good solution for detecting proxy users. Places like cj.com are able to detect proxies very well so there must be a method but I think that unless its a really large scale site or major part of your site like an affiliate program it might not be worth it. I think I might just find new ways to live with proxy cheaters as suggested before. If you still are looking, maybe check some of those traffic trading scripts or some of the vote scripts because I know they are able to detect much more than some of the other scripts. I think there is an open source TGP script called Traffic Traders or something like that and you might be able to check in there to see if they have anything to block proxies. If you find anything please post it here.
Thanks and Regards,
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