Distributed Denial Of Service (DDOS) is the intentional paralyzing of a computer network by flooding it with data sent simultaneously from many individual computers (so-called zombies) which are used to stage DDOS attacks

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What methods are there of protecting a VPS from DDOS attacks? [duplicate]

I was just wondering what would be the best way to stop a VPS from being attacked, bandwidth would be a problem in this case so methods that reduce the amount of incoming attacks and stop sending ...
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626 views

DDoS prevention (LOIC doesn't do the job anymore) [closed]

We are about to launch a important webservice. We must test it for DDoS. From other questions/answers here I learned about LOIC. Downloaded, tried, but my apache refuses it. What other ready made ...
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44 views

Am i getting DDOS attacked?

There has been some weird activity with my wifi router after somebody threatened to ddos me. I am looking at my wifi router's activity logs and i don't know what i am looking for. What happens is my ...
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44 views

Is DDOS more common than DOS?

Which attack takes place more often over the internet? I would have assumed DDOS due to the amount of botnets around today.
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108 views

Is there any method to prevent/trace ddos attack?

I have a debian linux server which run a few online game services. I have some competitors in this area and i think one of them is behind the ddos attacks. I have full access to the router, so I set ...
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54 views

Hosting multiple websites on the same server - Prevention from DoS

I have an server which contains around 4 instances hosted on it. I am aware that if a DoS attack happens on one of the instances it will take down all the other instances too. How to prevent such a ...
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73 views

Blocking IP After multiple connection with Netsh advfirewall to mitigate DDos

Hello I wanna block Ip address if they exceed 20 connections with port 80 TCP for HTTP Server. I wanna do this using Netsh advfirewall, In Linux I use IPTables: iptables -I INPUT -p tcp --dport ...
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303 views

API Key DDOS prevention method

Hi I just wanted some feedback on a DDOS preventing php script that I'm designing. It quite simple and I wanted some feedback on whether you guys think it would be effective. I'm currently using the ...
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2answers
602 views

What could be the reason for the high traffic on the local network? [closed]

In our small company we have very high traffic outbound from local network to server which is getting blocked, and slow downs our server respond time. Especially at night. I am not security ...
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391 views

Preventing DDoS from faked IP address [duplicate]

According to this answer, it's possible to send a network packet with a forged source IP address. So, what methods a server administrator can take to prevent/block a countless requests from faked IP ...
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162 views

Why do I target the proxy server if I send a DDoS attack from it?

I once read that if I send a DDoS attack via a proxy (for example with LOIC), I won't target the server I am trying to send a DDoS attack to but I will actually DDoS the proxy server. Most important ...
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1answer
254 views

How does IP Spoofing increase the upload speed?

I was talking earlier to a script kiddie and claimed that IP spoofing can increase the upload speed in a DDOS attack?! that does not make any sense to me According to him if your server has an upload ...
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Is constantly downloading large amount of files from a web server considered DDoS?

For example, there's like a million files stored on a website (publicly, anyone with a link can get it), and I wrote a program to retrieve it one by one. Since obviously my program pings the server ...
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2answers
128 views

I don't understand how BIPS got hacked [closed]

http://www.networkworld.com/news/2013/112513-bitcoin-robbery-276352.html In this story we can see BIPS got hacked, but I don't get how it was hacked when it was offline because of the DDoS.
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111 views

Can the attacker launch a sufficiently large SYN flood to overwhelm the victim's server?

Suppose that the victim's web server infrastructure can process 200,000 TCP connection requests per second. Assume that a single connection request (TCP initial SYN) requires 40 bytes to transmit. The ...
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427 views

How to prevent ddos and brute-force attack by restricting IP's on Wordpress website

I want to make wp-login.php and/or wp-admin accessible only from one country. If I want wp-login.php access only from USA then my approach from .htaccess is like below <Files wp-login.php> ...
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1answer
109 views

Azure Based DDOS Mitigation, Azure Based Firewall?

I'd like to mitigate DDOS attacks, for an Azure vm server (just TCP ports 80 and 443). Azure appears to be a great solution. I can't find any Azure documentation, as to if there is an Azure ...
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1answer
45 views

Mitigate DDos on Windows box

I would love to know, If you know some way to mitigate DDos/Dos attacks on Windows. In Linux we can Mitigate using the IPTables Almighty, but I wonder If there is something like that in Windows. ...
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3answers
689 views

How to identify if my site is vulnerable to DOS/DDOS attacks? [closed]

I am hosting a site on a hosting server. How to identify whether my site is vulnerable to DOS/DDOS attacks?
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1answer
772 views

Linux tools to choose suitable Cisco ASA 5500

I have a linux webhosting server which affects a high DDOS. I want to use Cisco ASA 5500 Series Adaptive Security Appliances to protect the linux server from this DDOS. I know there are many factors ...
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1answer
394 views

Spoofed DDoS mitigation / DNS amplification mitigation [duplicate]

Recently my server has been attacked multiple times, after looking at my firewall I've come to the conclusion that the IP's are spoofed. (10,000+ IP's connect at once) I'm running Win server 2012 x64 ...
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What is the mechanism used by the ISP to avoid DoS attacks? [duplicate]

What is the mechanism used in the public networks or home networks to avoid DDoS or DoS attacks? How secure they are maintained by their ISP's.
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Monitor incoming/outgoing network activity

How can I monitor all the incoming and outgoing packet traffic on my home network? I am looking to see when I am getting DDoSed where the attacks are coming from. I am also looking to make sure my ...
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1answer
248 views

Hacking through a firewall [closed]

couldn't you DDOS attack an firewall somehow so that it would shutdown and you could access the computer?
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1answer
3k views

DoSing my Home Network with only a Public IP address [closed]

+--------------------------------------------------------+ | Client Host Name |.. IP Address ..|.... MAC Address ...| | Desktop-Home ....| 192.168.1.100 | 00:19:D1:EA:03:68 | | GT-S5380K ...
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Analysing server (VPS) before hosting a government website [closed]

Hosting a government website would definitely increase reputation, but it would also bring higher chances of the hosting server getting attacked by DDoS attacks. It's a cPanel based VPS. What basic ...
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How to avoid DDoS Attack [closed]

I buy my train ticket from our railway local web site. When ticket open for sale on web site then web site original traffic remain 50 (Just an example). Our railway web site is attacked by DDoS for ...