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Thread: Anyone using cloudflare ?

  1. #1
    Kaustubh is offline Unknown Net Builder
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    Anyone using cloudflare ?

    Hello,
    Just wondering if anyone has used cloudflare ? (Free CDN Service) Would like to know the experience or difference you noticed.

  2. #2
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    memenode is offline Net Builder
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    I recently started using it in one of my sites for a test run. I had no problems with the set up and the site works fine under it. I like the idea that it saves me some bandwidth, especially if it's spam traffic. According to its statistics about fifth of my traffic is spam.

    There is 138 visitors so far who were shown a captcha instead of being blocked straight away. 16 of them solved the captcha and left a message. A lot of these messages seemed to be weird/spammy types like "this is a good site" or just "hi", but some were messages of frustration. One message was "what the hell are you doing? for enter to your site must send request for what? are you crazy.", and if it was a legit visitor who was challenged by a captcha to access the site I can definitely understand the frustration..

    The possibility that legit visitors might be getting blocked or challenged is why I'm not sure if I'm gonna keep this service, especially if it doesn't really prevent a lot of spam. On the other hand the number of legit blocks seems like a small percentage of the overall blocks or challenges, and you can manually mark an IP as trusted. Overall, I think it might be worth a try and see what you get. If it significantly prevents the amount of spam you get and saves you a lot of bandwidth, a trade off of alienating a few random users might be worth it.

    Btw, we discussed CloudFlare a bit in this thread as well.
    Last edited by memenode; 5 May, 2011 at 00:29 AM. Reason: Corrected some info after checking further.

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    damoncloudflare is offline Unknown Net Builder
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    "One message was "what the hell are you doing? for enter to your site must send request for what? are you crazy.", and if it was a legit visitor who was challenged by a captcha to access the site I can definitely understand the frustration.."

    A couple of quick things that I may not have covered in the last thread:
    1. You can always adjust your security settings to a different level in CloudFlare (settings->CloudFlare settings->Security Level->Change to desired level). Dropping security levels will = fewer challenged visitors from our data sources. It is important to note that IPs do drop off if they have shown no threatening activity in a two week period.
    2. You can override our behaviors by whitelisting an ip. If you already have people you know that you trust, you can whitelist them in advance to override our behaviors.
    Additional tips for managing CloudFlare's Threat Controls.

    Generally speaking, we help cut spam down a great deal with the data sources we use to identify potentially problematic visitors (some have said their spam comments go from hundreds to almost zero). You can also report spam we don't catch back to us via the spam reporting API, which we will then use to help make the system smarter for all admins.

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    Kaustubh is offline Unknown Net Builder
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    Well it does block spam. i am using them on my proxies and i can see it has blocked significant amount of ips which are listed in honeypot with threat proof. But there are couple of genuine users been blocked, I have whitelisted all english speaking countries but system couldnt recognize location of USA ips (those ips were of NY State uni's..). So i would suggest them to improve geolocation system they have. i am stilling testing loads of things from proxy perspective. will keep you guys updated. Overall good system but loads of space for improvement.

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    damoncloudflare is offline Unknown Net Builder
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    Hi,

    Sorry for the delay in responding (traveling much of May).

    "I have whitelisted all english speaking countries but system couldnt recognize location of USA ips (those ips were of NY State uni's..). So i would suggest them to improve geolocation system they have."

    We do update this frequently through our vendors. As there are always IP changes with servers, however, it will never be 100% accurate.

    "But there are couple of genuine users been blocked"
    You can always override our behavior by whitelisting the IP(s) of the visitors. I would still recommend to the visitors that they run a scan, however, because the IPs would only appear if they recently had bad activity from CloudFlare's data sources.

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