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  #1  
Old 03-05-2011, 07:02 AM
PlanMyHost PlanMyHost is offline
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DDOS protection for a dedi


Greetings.

I am wondering how I would go abouts getting ddos protection for my dedicated server, (linux).

I have contacted my host and they do not supply/have ddos protection available for me.

I know about servers, I know the impacts and how to ddos, therefore I want to have some protection against ddos, how can I?



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  #2  
Old 03-05-2011, 07:12 AM
eth00 eth00 is offline
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What level protection are you wanting? A larger DDoS you will need to look at providers that provide proxy filtering services.

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  #3  
Old 03-05-2011, 07:25 AM
ddosguru ddosguru is offline
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Quote:
Originally Posted by eth00 View Post
What level protection are you wanting? A larger DDoS you will need to look at providers that provide proxy filtering services.
Whether or not the protection is delivered by proxy does not have any direct relation to the size of the attack. Proxies are generally more effective at detecting and mitigating low and slow Layer 7 attacks which are usually quite small in terms of bandwidth. Proxies are also generally more expensive.

Larger attacks can be mitigated on the network (eg. at Layer 3) without the use of a proxy by any provider with sufficient DDoS mitigation capabilities.

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  #4  
Old 03-05-2011, 07:51 AM
PlanMyHost PlanMyHost is offline
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I'm not sure of the level of size, I need a price, what level of protection would a good host need?

  #5  
Old 03-05-2011, 10:45 AM
Bernardoo Bernardoo is offline
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Decent DDoS protection costs cash, maybe if you tell us what server specs do you need we might be able to direct you to one provider.

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  #6  
Old 03-05-2011, 10:55 AM
File1eu File1eu is offline
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You can start with mod_evasive for Apache. It is pretty decent against most (D)DOS attacks and it will probably stop most script kiddie attacks. But not if you're receiving 50TB/s on a 100 mbit line, then you're in trouble. The best solution would be to either get a hardware firewall with DDOS protection or host at a DDOS specialized hosting company.

But I would start with mod_evasive first, because as Bernardoo already said DDOS protection is expensive.

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  #7  
Old 03-05-2011, 07:00 PM
PlanMyHost PlanMyHost is offline
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Thanks guys, I've had this server for over a year, I defiantly don't want to move.

How expensive? How much you guys paying? I just need a figure.

  #8  
Old 03-05-2011, 08:21 PM
joda joda is offline
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I spoke with the DDOS Mitigation company Prolexic (http://www.prolexic.com) a while back and the cost was pretty significant:

approx $7000.00 / month for 10Mbps (95 percentile) clean traffic. $7500.00 setup

UNDER ATTACK NO CONTRACT: +$22,000.00.

This type of service would be required for any attack that saturates your available bandwidth (can't be mitigated by you alone).

There may be cheaper players out there but Prolexic is well known.

Quote:
Originally Posted by Grosshost View Post
Thanks guys, I've had this server for over a year, I defiantly don't want to move.

How expensive? How much you guys paying? I just need a figure.

  #9  
Old 03-05-2011, 09:31 PM
PlanMyHost PlanMyHost is offline
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Oh wow, that's a lot. It may be worth getting though. Thanks.

  #10  
Old 03-05-2011, 09:40 PM
tulix tulix is offline
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Some attacks is almost impossible to mitigate - a week ago there was an attack - 150,060 computers (that were caught) were involved in the attack. I don't think that you'll find a vendor who will provide a hosting service to you for such large attacks. For smaller attacks probably starting $800 per month up to ? - depending on the level of attacks that you are getting.

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  #11  
Old 03-05-2011, 09:46 PM
PlanMyHost PlanMyHost is offline
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Well a friend got a "2/gb attack" or something he said. What would be the price for something like that?

  #12  
Old 03-05-2011, 10:40 PM
tulix tulix is offline
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I would think $5K+ range for that

Quote:
Originally Posted by Grosshost View Post
Well a friend got a "2/gb attack" or something he said. What would be the price for something like that?
I would think $5K+ range for that type of attack.

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  #13  
Old 03-06-2011, 12:00 AM
eth00 eth00 is offline
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Quote:
Originally Posted by IRCCo Jeff View Post
Whether or not the protection is delivered by proxy does not have any direct relation to the size of the attack. Proxies are generally more effective at detecting and mitigating low and slow Layer 7 attacks which are usually quite small in terms of bandwidth. Proxies are also generally more expensive.

Larger attacks can be mitigated on the network (eg. at Layer 3) without the use of a proxy by any provider with sufficient DDoS mitigation capabilities.
I was simply asking because he stated his provider had already stated that they did not provide any such capabilities. In this case he did end up stating a 2Gbps attack, I doubt his provider would allow something like that to go as far as his server.



Quote:
Originally Posted by Grosshost View Post
Well a friend got a "2/gb attack" or something he said. What would be the price for something like that?
The best way is to simply contact a few different providers and see what they can quote you at. It is going to be pretty expensive if you are frequently getting attacks that large. If that is the case you may want to move your server to a provider that specializes in ddos mitigation.

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  #14  
Old 03-06-2011, 05:18 PM
ddosguru ddosguru is offline
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Quote:
Originally Posted by joda View Post
I spoke with the DDOS Mitigation company Prolexic (http://www.prolexic.com) a while back and the cost was pretty significant:

approx $7000.00 / month for 10Mbps (95 percentile) clean traffic. $7500.00 setup

UNDER ATTACK NO CONTRACT: +$22,000.00.

This type of service would be required for any attack that saturates your available bandwidth (can't be mitigated by you alone).

There may be cheaper players out there but Prolexic is well known.
Every single DDoS mitigation provider across the grid is at least 50%+ less than Prolexic, including the other major brand names.

  #15  
Old 03-06-2011, 08:17 PM
joda joda is offline
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There is an old saying...you get what you pay for.

Quote:
Originally Posted by IRCCo Jeff View Post
Every single DDoS mitigation provider across the grid is at least 50%+ less than Prolexic, including the other major brand names.

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