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Why do people think CloudFlare will stop DDoS attacks?

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  #1  
Old 07-16-2011, 10:24 AM
cd/home cd/home is offline
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Why do people think CloudFlare will stop DDoS attacks?


Hello,

Over the last few weeks I have been seeing more and more people start to recommend CloudFlare for the prevention of DDoS attacks, Why is this?



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  #2  
Old 07-16-2011, 10:36 AM
wat3v3r wat3v3r is offline
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Cause people have no money for real DDOS protection or they don't want to spend big bucks. So any small glimmer of hope is worth clinging to .. for them

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Old 07-16-2011, 10:40 AM
quantumphysics quantumphysics is offline
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because they do.. until they realize it's your site being hit and change the A record so all traffic goes directly to you

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Old 07-16-2011, 10:51 AM
Mi-Webs Mi-Webs is offline
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I used cloud flare to make my dns load faster for my site, didn't work... Changed my computers DNS to google's 8.8.8.8 and 8.8.4.4 and it loaded my site instantly after a second of updating it, but if cloud flare doesn't speed up the load time then it sure doesn't stop ddosing...

  #5  
Old 07-16-2011, 11:14 AM
damoncloudflare damoncloudflare is offline
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Post CloudFlare and DDoS

Most of the time I see this happen because someone mistakenly thinks we are a DDoS service & mentions it on board. When it comes to an attack, unfortunately, people rush to find a quick fix to the problem.

There are some things that we do that can help with smaller attacks & there are some things in the threat control panel you can do as well. But a monster attack will most certainly cause us to go direct to a site...

  #6  
Old 07-16-2011, 01:47 PM
layer0 layer0 is offline
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The nature of the service alone allows traffic to be spread across various POPs, which can help isolate a DDoS attack pretty well. This alone doesn't do much to help with larger attacks (for that, you'll need other mitigation methods), but I can see CloudFlare being useful for smaller attacks.

  #7  
Old 07-16-2011, 02:27 PM
cd/home cd/home is offline
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Quote:
Originally Posted by damoncloudflare View Post
There are some things that we do that can help with smaller attacks & there are some things in the threat control panel you can do as well. But a monster attack will most certainly cause us to go direct to a site...

Quote:
Originally Posted by layer0 View Post
The nature of the service alone allows traffic to be spread across various POPs, which can help isolate a DDoS attack pretty well. This alone doesn't do much to help with larger attacks (for that, you'll need other mitigation methods), but I can see CloudFlare being useful for smaller attacks.
How small are we talking?

Also if all of this is true why isnt their any information on their site regarding this Anti-DDoS...

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Old 07-16-2011, 07:36 PM
damoncloudflare damoncloudflare is offline
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Post CloudFlare and DDoS

Quote:
Originally Posted by layer0 View Post
The nature of the service alone allows traffic to be spread across various POPs, which can help isolate a DDoS attack pretty well. This alone doesn't do much to help with larger attacks (for that, you'll need other mitigation methods), but I can see CloudFlare being useful for smaller attacks.
Good summary We do not position ourselves as a DDoS solution at all.

  #9  
Old 07-16-2011, 07:38 PM
damoncloudflare damoncloudflare is offline
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Post CloudFlare and DDoS

Quote:
Originally Posted by cd/home View Post
How small are we talking?

Also if all of this is true why isnt their any information on their site regarding this Anti-DDoS...
Because we don't want to be looked at as a DDoS solution. Generally speaking, people that are having a DDoS look for a quick fix & we do not guarantee that we will stop an attack. We will most certainly go direct to a server when the attack is large & starts to impact other customers.

  #10  
Old 07-16-2011, 07:41 PM
damoncloudflare damoncloudflare is offline
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Post Hi,

Quote:
Originally Posted by quantumphysics View Post
because they do.. until they realize it's your site being hit and change the A record so all traffic goes directly to you
Just a quick note that we don't make any DNS changes. We simply remove the CloudFlare proxy for the domain(s) impacted.

  #11  
Old 07-16-2011, 07:51 PM
quantumphysics quantumphysics is offline
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that's ... pretty much a dns change isn't it

  #12  
Old 07-16-2011, 07:53 PM
damoncloudflare damoncloudflare is offline
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Hi,

Quote:
Originally Posted by quantumphysics View Post
that's ... pretty much a dns change isn't it
Not really. We're still resolving the DNS & simply removing our proxy on the DNS entry. Probably somewhat of a semantics thing...

  #13  
Old 07-16-2011, 08:08 PM
Appdeveloper Appdeveloper is offline
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CloudFlare doesn't work well on high-end DDoS attacks (Ex: 100mbit+), but works fine when script kiddies attempt to take your website(s) offline.

Most script kiddies have a tool which they refer to as a "Booter". A Booter, in logical terms, is a program which sends a command to multiple hacked servers. These hacked servers use their connection to attack your website's IP Address.

When your site is behind CloudFlare, the hacked servers attack CloudFlare, instead of your website. CloudFlare isn't really made for DDoS protection, BUT it is able to filter these small attacks much better than your average web host.

To sum this post up: Yes, CloudFlare is able to filter small DDoS attacks, but not large ones. If you are experiencing DDoS attacks, it's worth trying CloudFlare (It's free), but KEEP IM MIND, that if the script kiddie trying to take your website offline attacks your NON-CLOUDFLARE IP Address, your site will go offline. (Note: Your Non-CloudFlare IP is the IP you had before you switched to CloudFlare's DNS servers).

  #14  
Old 07-16-2011, 09:40 PM
misspink misspink is offline
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Quote:
Originally Posted by Appdeveloper View Post
CloudFlare doesn't work well on high-end DDoS attacks (Ex: 100mbit+), but works fine when script kiddies attempt to take your website(s) offline.
100mbit+? More like 2000mbit+ or even higher.

  #15  
Old 07-16-2011, 09:42 PM
Appdeveloper Appdeveloper is offline
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Quote:
Originally Posted by misspink View Post
100mbit+? More like 2000mbit+ or even higher.
If you're getting a constant 100Mbit+ DDoS Attack, I believe CloudFlare may kick you off (on the free version). The Pro version may be different.

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